Re: [biofuel] Commercial production

2003-12-12 Thread Jack Kenworthy
 movement in the first place - to make a 
better world (I hope I don't get bashed here).  Quite simply we need to rethink 
our design of industry.  I think entrenpeurs should jump on opportunities to 
make money.  We need that spark.  But to do so in a way that deprives us of our 
very source of all wealth (eg human and natural capital) is simply foolhardy.  
We do it a lot.  
Scale is also important - too big and it gets difficult to maintain the 
ethical standards you desire (See Schumacher, Small is Beautiful).  Keith has 
said that he started JtF knowing that the information exchanged there would be 
exchanged freely, with no profit (financial) to him or JtF - he did it anyway.  
I would suggest that if you intend to profit off of an industry that perhaps 
JtF helped you to conceive of or enact, that you do you best to ensure that 
your business is the kind that we need for our future - that it holds itsefl to 
the same rigorous standards of integrity, creativity and justice that JtF 
stands for (I hope I am not speaking out of place here).  Whew, morning coffee 
buzz hasn't worn off and I hope this is intelligible, if long.  Good luck!

Jack

p.s. Keith, if you measure profit in some of the same ways that I do (knowing 
you are making a steady and strong change for the better) then let your coffers 
be full - you are to be applauded and I thank you.
___
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Institute
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: Keith Addison 
  To: biofuel@yahoogroups.com 
  Sent: Thursday, December 11, 2003 2:36 PM
  Subject: Re: [biofuel] Commercial production


  Hi Hakan

  If you can sell your biodiesel and make a profit that is acceptable for
  you, please sell it. The morality does not rest with who is using it, it is
  rather that someone is prepared to use it. It is not like you are giving
  someone an advantage or a favor. It is that someone has moral enough that
  buy it, often despite a higher price, and use it for the to support future
  generations.
  
  It is a huge task to change the fossil habits and every little step is
  important. Promote and make a good business out of diversified biofuel
  production and do not attempt to make it an honor for your clients to buy
  from you. This way you are acting in a moral way and every gallon sold,
  substitute the use of a gallon of fossil fuel. Your and other small
  producers success is a moral thing in itself.
  
  Good luck and go out and get the totally immoral energy corporations!
  
  Hakan

  But this isn't really what William was asking. The nub of it's near the end:

   the general public.  I am afraid, however, that I may upset some by
   turning a profit using methods and information (although modified) 
  by others.

  He's worried about the rights and wrongs of taking and using for 
  commercial gain information freely given at Journey to Forever, a lot 
  of which comes from here, the Biofuel list - very many people have 
  given their time and efforts to developing the biodiesel information 
  and technology now available to anybody. Would it be right for a 
  business just to take it over, put their name on it and get rich off 
  it?

  Thor said this of the Biofuel list a while back:

  I just want to say how important what you all are doing here is. 
  Closed-system fuel production, on a local or small regional scale, 
  tied to local resources, using accessible technologies, and dependent 
  on entrepreneurial innovation combined with open-source information 
  exchange - it's AWESOME. Keep up the good work everyone, before the 
  planet fries.

  ... entrepreneurial innovation combined with open-source information 
  exchange... But how exactly does that work?

  There are people here, list members, who're just here for what they 
  can get. Some of them are using the list, the list members and list 
  resources as a free consultancy service - they take what they want, 
  even raise discussions on it, and put it to their own use. This might 
  have nothing to do with what Thor said and what we're all on about 
  here - small-scale, localised, distributed biofuels production, truly 
  sustainable, renewable energy production with a future to it. Some of 
  them have big plans for high-production, centralised plants and would 
  normally be paying megabucks to consultancies for the kind of 
  information they get here for nothing. What's most noticeable is that 
  they PUT NOTHING BACK IN. Some even talk of patents. I suppose they 
  think we're a bunch of mugs. We know a lot of people do that with the 
  information at Journey to Forever as well - we get quite seriously 
  ripped off. Well, we knew that would happen when we started it but 
  decided to do it anyway. Our perhaps idealistic idea of it is that 
  the rip-off merchants don't thrive, though they might think

[biofuel] fertilizer from fish scraps

2003-12-06 Thread Jack Kenworthy

This should be related to biofuels in that we are seeking to derive fetilizer 
subsitutes from a waste product (by-product) to enrich nutrient poor carbonate 
soils as an alternative to US manufactured chemicals.

I am in the vicinity of an offshore aquaculture cage project that in six months 
will begin to harvest 14,000 Cobia at 10-12 lbs - that's around 150,000 of 
fish.  Once harvested and processed, about 20% by weight is scraps - heads, 
guts, bones, etc.  I know that this would be a real resource for local farmers 
and could really tip the scales in terms of how productive polycultures can be 
here on a desert island.

But I know very little about what I would need to do to make this resource 
feasible - either to emusify it (how?) or to compost it (stinks...badly!) or ???

I would appreciate any ideas on how to tap this wastestream for food production 
which would otherwise end up in a landfill.  

Damn good fish too.

jack
___
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Institute
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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Re: [biofuel] Cruiseships and Toyotas

2003-12-04 Thread Jack Kenworthy

Very useful links Bryan - thanks.  In talking with the US National Highway 
Traffic Safety Administration and some registered importers - I have been told 
that it will be a minumum of $5,000 and up to 1 year to get the vehicle 
imported.  Crazy.

I like Vern's idea of bringing in a powerplant and placing it in a US Toyota 
chassis - will keep you posted.

thanks for the input.
Jack
___
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Institute
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: Bryan Brah 
  To: biofuel@yahoogroups.com 
  Sent: Wednesday, December 03, 2003 10:52 AM
  Subject: RE: [biofuel] Cruiseships and Toyotas


  Federalizing a vehicle less than 25 years old is expensive, and can only
  be done by registered importers.  Here are some links regarding the
  importation of vehicles.  



  http://www.nhtsa.dot.gov/cars/rules/import/



  http://www.customs.ustreas.gov/ImageCache/cgov/content/publications/impo
  rtingacar_2edoc/v1/importingacar.doc



  http://www.epa.gov/otaq/imports/factmtop.htm



  -BRAH





  -Original Message-
  From: Jack Kenworthy [mailto:[EMAIL PROTECTED] 
  Sent: Wednesday, December 03, 2003 9:31 AM
  To: biofuel@yahoogroups.com
  Subject: [biofuel] Cruiseships and Toyotas



  Hello Biofuelers,
  
  I wanted to update you all on some progress here in The Bahamas.  First,
  we have passed ASTM again.  I know it seems a bit nuts to pay for the
  test so close together, but our gov't officials required it for us to be
  able to sell any excess fuel that we process - and the first test came
  from a smaller version of our lab so they wanted a new sample.  Govt
  here tells me they will be satisfied with annual testing hereafter.
  Fair enough I think.

  I have also liased with another cruiseline (Holland America) to build a
  biodiesel lab on a small cay that runs its own powerplants and diesel
  powered desalinization equipment.  What I think is so great about this
  is not only that we will be tapping another source of waste oil formerly
  being incinerated or dumped with no benefit and real damage - but also
  that the cruiselines will be using the biofuel themselves.  It is the
  cruiseline that operates the day-use resort for its cruiseships.  I
  realize that this is not the same as a small village owned and run
  biofuel plant, but I think we can cheer for every gallon of WVO that
  gets burned for locomotion or electricity rather than just to be rid of
  it.  I truly encourage all those in the proximity of cruiseship landings
  to explore the possibilities of getting thei WVO - regulations force
  them to change the oil often and our quality is very good.

  On another, very seperate, note.  I own a 1993 Toyota Hilux diesel -
  running bioD of course.  I want to bring it to the US, but they are not
  sold in the US.  I understand that there are issues with emissions that
  are tough to get around, but that the real crux is the crash tests that
  the US requires and that doesn't happen on foreign vehicles not marketed
  there.  Does anyone have any experience bringing a Hilux into the US?
  Any suggestions on what authorities I will need to talk with to try to
  get it cleared?

  Thanks and Regards to All,

  Jack
  ___
  Jack Kenworthy
  Sustainable Systems Director
  The Cape Eleuthera Institute
  242-359-7625 ph. 954-252-2224 fax
  www.islandschool.org

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[biofuel] Cruiseships and Toyotas

2003-12-03 Thread Jack Kenworthy

Hello Biofuelers,

I wanted to update you all on some progress here in The Bahamas.  First, we 
have passed ASTM again.  I know it seems a bit nuts to pay for the test so 
close together, but our gov't officials required it for us to be able to sell 
any excess fuel that we process - and the first test came from a smaller 
version of our lab so they wanted a new sample.  Govt here tells me they will 
be satisfied with annual testing hereafter.  Fair enough I think.

I have also liased with another cruiseline (Holland America) to build a 
biodiesel lab on a small cay that runs its own powerplants and diesel powered 
desalinization equipment.  What I think is so great about this is not only that 
we will be tapping another source of waste oil formerly being incinerated or 
dumped with no benefit and real damage - but also that the cruiselines will be 
using the biofuel themselves.  It is the cruiseline that operates the day-use 
resort for its cruiseships.  I realize that this is not the same as a small 
village owned and run biofuel plant, but I think we can cheer for every gallon 
of WVO that gets burned for locomotion or electricity rather than just to be 
rid of it.  I truly encourage all those in the proximity of cruiseship landings 
to explore the possibilities of getting thei WVO - regulations force them to 
change the oil often and our quality is very good.

On another, very seperate, note.  I own a 1993 Toyota Hilux diesel - running 
bioD of course.  I want to bring it to the US, but they are not sold in the US. 
 I understand that there are issues with emissions that are tough to get 
around, but that the real crux is the crash tests that the US requires and that 
doesn't happen on foreign vehicles not marketed there.  Does anyone have any 
experience bringing a Hilux into the US?  Any suggestions on what authorities I 
will need to talk with to try to get it cleared?

Thanks and Regards to All,

Jack
___
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Institute
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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[biofuel] green color

2003-11-16 Thread Jack Kenworthy

Hey folks,
I was just perusing the archive slooking for some information on different 
fuel color characteristics tht are indicative of certain problems.  I found a 
good deal of info, but not exactly what I am looking for.  I have a batch that 
I just made, and after the final wash, it is clear, but it has a greenish tint 
to it.  Hmmm.  Perhaps an incomplete reaction?  Contaminants in the fuel?  I am 
trying to reprocess the fuel as virgin oil to see if it seperates out any more 
glyc - but wondering if anyone has any additional thoughts.
Thanks.
Also, Keith - thanks a lot for putting my project up on your site!  I just 
noticed it the other day and I appreciate the support. Cheers. 
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Institute
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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Re: [biofuel] swimming in it

2003-10-28 Thread Jack Kenworthy

Keith, Todd, et al.
Thanks for the responses.  I really like the idea of sawdust and glycerine 
briquettes - We once thought of making charcoal briquettes out of casuarina 
equisetefolia wood that is over abundant here as an exotic invasive.  Perhaps 
we could market both?  We have lots of sawdust and wood shavings from our mill 
and work shop.
As to why we only use B50 in the boat - I suppose we are just breaking her 
in.  She is an '84 with a lot of hours and we depend on her twice daily to get 
us to an open ocean aquaculture cage to feed the fish.  If she were to bog down 
for some reason we would be in some trouble as the fish dont much like missing 
a feed.  I would like to have her up to B80 by December and then B100 by 
January. The scaling up of the biodiesel blends is more palatable to the 
investors on the project, and it is they who own the boat.
By the way, I was talking to our marina manager tonight and he was 
expressing concerns about using biodiesel in common rail diesels where the 
injection pressures are much higher.  He was concerned (though admittedly 
uninformed) about the atomization at those pressures and other performance 
characterisitics that might change.  Any thoughts on this?  Sorry for the 
scattered thread.
Best,
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Institute
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: Keith Addison 
  To: biofuel@yahoogroups.com 
  Sent: Tuesday, October 28, 2003 3:22 PM
  Subject: Re: [biofuel] swimming in it


  Hello Jack

  Liked your list of BD vehicles, great! Why only B50 in the boat?

  Glycerine that is.  And I am not really sure what to do with it.  I 
  am making about 350 gallons of fuel a week now and coming out with 
  roughly 40-45 gallons of glycerine to boot.  Up until this point I 
  was able to compost most of it readily, but now I have too much to 
  deal with effectively.  I am in a remote location in The Bahamas and 
  have no one who would be willing to buy the stuff.  I am storing it 
  for the time being in 55 gallon drums that were used for lube oil at 
  the power plant, but space is not limitless there - I would love to 
  find a solution for large quantities of glycerine over the long 
  term.  I can't just dump it on the ground, can I?  I have seen where 
  it has spilled in the past and when it rains on those spots it is 
  quite messy.  I appreciate any input - I am sure the list has some 
  good experience with these levels of glycerine?
  Thanks!
  Jack
  Jack Kenworthy
  Sustainable Systems Director
  The Cape Eleuthera Institute
  242-359-7625 ph. 954-252-2224 fax
  www.islandschool.org

  I take it you've checked all this stuff? 
  http://journeytoforever.org/biodiesel_glycerin.html
  Glycerine: Journey to Forever

  Most likely candidates are:
  - making milk carton logs and burning it for space heat (but you're 
  in the Caribbean!), or (remotely) for biodiesel process heat via a 
  heat exchanger;
  - reclaiming the excess methanol and using the remaining by-product 
  as degreaser; and
  - separating it. You'll have to see if this last makes economic sense 
  to offset the phosphoric acid costs, but you could have more options 
  with the salts, glycerin and FFA separated. Maybe you don't think 
  chemical fertilizers are sustainable, neither do I, but no harm in 
  the compost pile, and much easier to compost just the salts than the 
  whole thing. I don't think anyone anywhere is willing to buy the 
  unseparated by-product. Could you sell sawdust logs perhaps? Or 
  briquettes? Glycerine-sawdust briquettes was my original idea before 
  Tony Clarke thought of putting it in milk cartons. Small-scale export 
  to another island maybe? It burns hotter and longer than an 
  equivalent weight of wood would do, might save some trees. I got hold 
  of some activated charcoal and some clumping cat litter a few days 
  ago planning to filter some separated glycerin to purify it, which 
  Martin just advised, I'll report any results of interest, but 
  industrially it's apparently only saleable in very large quantities. 
  There's also this:
  http://www.regional.org.au/au/gcirc/1/241.htm
  Glycerol as a by-product of biodiesel production in Diets for ruminants

  regards

  Keith


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Re: [biofuel] What vehicle are you running on biodiesel?

2003-10-27 Thread Jack Kenworthy

I have a 1993 Ford F-350, a 1993 Toyota Hilux Pickup, a 1995 Isuzu Elf 250 
2-Ton Flatbed, a 1995 Toyota Hiace Van, a 1997 Toyota Hiace Van, a 1996 Toyota 
Hiace Van, a 1999 Toyota Hiace Van all running B100 in the vehicle department.  
I also have 2 small yanmar diesels (bandsaw mill and compressor) and a 16 kw 
Yanmar genset running B100 and finally a 1984 Detroit 871 Twin Turbo in a 40 
foot trawler running B50.  All running spendidly.
Cheers
Jack

Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Institute
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: CH 
  To: biofuel@yahoogroups.com 
  Sent: Monday, October 27, 2003 1:23 PM
  Subject: Re: [biofuel] What vehicle are you running on biodiesel?


  Mercedes Benz 300 TD turbo wagon 1987 2WD
  Massey Ferguson 1010 tractor 4WD
  Belarus 822 tractor 4WD

  All B100

  Chris Amar
  Central New York State


  Mark Finewood wrote:

   I am curiouse about what vehicles people are running on biodiesel?
  
   Let me know.
  
   Mark



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[biofuel] swimming in it

2003-10-27 Thread Jack Kenworthy

Glycerine that is.  And I am not really sure what to do with it.  I am making 
about 350 gallons of fuel a week now and coming out with roughly 40-45 gallons 
of glycerine to boot.  Up until this point I was able to compost most of it 
readily, but now I have too much to deal with effectively.  I am in a remote 
location in The Bahamas and have no one who would be willing to buy the stuff.  
I am storing it for the time being in 55 gallon drums that were used for lube 
oil at the power plant, but space is not limitless there - I would love to find 
a solution for large quantities of glycerine over the long term.  I can't just 
dump it on the ground, can I?  I have seen where it has spilled in the past and 
when it rains on those spots it is quite messy.  I appreciate any input - I am 
sure the list has some good experience with these levels of glycerine?
Thanks!
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Institute
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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[biofuel] mixing pumps

2003-08-31 Thread Jack Kenworthy

Wondering if anyone can help me with this one.  I am trying to source a pump 
that can handle the whole mixing job for the methoxide.  Presently I have to 
switch the portable mixer between the methoxide tank and the reaction tank and 
I also have to keep the lid to the methoxide tank open when mixing.  I am 
mixing roughly 35 gallons of methanol with almost 4 kg of lye.  Naturally, 
sonce the lye is at the bottom, the pump would have to be able to 
mix/grind/move that solid material along with the methanol until it dissolves 
completely (my pump draws out of the very bottom of the tank).  I appreciate 
any recommendations.
Thanks,
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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Re: [biofuel] Testing of biodiesel

2003-08-26 Thread Jack Kenworthy

Analytical Testing Services in Franklin, PA will test it for you if you send 
them a 1 gallon sample, to meet ASTM 6751-03, for $972.00 all inclusive - it 
ain't cheap.  
their contact:  814-432-9424
[EMAIL PROTECTED]

cheers,
Jack

Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: Andreas W Ohnsorge 
  To: biofuel@yahoogroups.com 
  Cc: biofuel@yahoogroups.com 
  Sent: Tuesday, August 26, 2003 3:02 AM
  Subject: Re: [biofuel] Testing of biodiesel




  I found some in Germany - they are usually testing large biodiesel batches
  and are quite expensive (around 800 Euros for a full test). If you don't
  want to sell the stuff you should consider testing only the really
  important variables (glycerides,...) which is a gaschromatography test and
  that was about 120 Euros here.

  I found those laboratories by asking some of the biodiesel producers where
  they let test their biodiesel...

  Andreas Ohnsorge

  CSC Ploenzke AG
  Abraham-Lincoln-Park 1
  65189 Wiesbaden
  Germany
  Phone: +49.611.142.20020
  Fax: +49.611.142.980028
  Mobile:+49 172 - 8 43 30 32
  e-Mail: [EMAIL PROTECTED]
  Internet: http://www.de.csc.com

  100 Jahre Tour de France: Herzlichen GlŸckwunsch dem Team CSC zum 1. Platz
  in der Team-Gesamtwertung http://www.csc-cycling.com/.


  


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  delete without copying and kindly advise us by e-mail of the mistake in
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kline  
 
@mail.gru.net   To:  
biofuel@yahoogroups.com  
 cc:
 
26.08.2003 04:39 Subject: [biofuel] Testing of 
biodiesel 
Please respond  
 
to biofuel  
 

 

 




  Is there any lab that will test a sample of hombrewed bioD to see if it
  meets specs?  I appreciate it
  J.D.





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Re: [biofuel] ASTM Fuel

2003-08-05 Thread Jack Kenworthy

Keith et. al.- 
I am using the single stage base process.  I make the fuel in roughly 150 
gallon batches - totalling about 300 gallons a week right now.  What this will 
do for us is to allow us to pursue a Bahamas Development Bank grant to 
establish a locally owned and run biodiesel processing facility of roughly 
double the size in the nearby settlement.  I think we will plan on putting a 
business plan together for the Bank sometime in the next three months to help 
biofuels claim a good portion of the total diesel market on Eleuthera (It is 
quite small if you don't include the marinas - and the yacht owners are a tough 
crowd to crack).  I'll keep you posted.
 
Regarding particular areas that I focused on - I would certainly say the wash.  
I know people's opinions vary on this, but I cannot imagine not washing the 
fuel.  I wash three times always for about 2 days each wash.  It takes a bit of 
time, but the air pump just runs off of a solar panel with a small battery bank 
- and I have the time to wait.  I also use 22% methanol - I haven't played 
around with this much, so I am not sure how that volume is affecting my fuel.
 
I am very interested in finding out what sort of modification might need to be 
done to a jet or turbo prop engine to help it run on biodiesel.  I will look 
into the link you sent James, and if anyone else has any other ideas, I'd love 
to hear them.
 
CHeers,
Jack 

James Slayden [EMAIL PROTECTED] wrote:
Capstone power generation turbines can run on biodiesel, so I assume that
the mod for jet engines wouldn't be that difficult.

http://www.microturbine.com/technology/specsheets.asp

James Slayden


On Tue, 5 Aug 2003, Keith Addison wrote:

 That's GREAT news!!!
 
 Well done! Multiple :-) 's!
 
 Jack, remind me please - which process are you using? And what are
 your plans now you've made the grade?
 
 Jet engines... rings a vague bell, but I don't know. Interesting.
 
 All best
 
 Keith
 
 
 Hey All - just thought I would let you all know that I just received
 my results from the ASTM tests and we passed all categories.  Just
 another good example of a homebrewer in a remote setting (Bahamas)
 making spec-grade biofuel!
 
 One other question:  has anyone ever done any testing for using
 biodiesel in a jet engine?  Jet fuel is so close to diesel fuel, I
 was wondering if anyone had done the research.
 
 Thanks.
 Jack
 Jack Kenworthy
 Sustainable Systems Director
 The Cape Eleuthera Island School
 242-359-7625 ph. 954-252-2224 fax
 www.islandschool.org
 
 
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[biofuel] ASTM Fuel

2003-08-04 Thread Jack Kenworthy

Hey All - just thought I would let you all know that I just received my results 
from the ASTM tests and we passed all categories.  Just another good example of 
a homebrewer in a remote setting (Bahamas) making spec-grade biofuel!

One other question:  has anyone ever done any testing for using biodiesel in a 
jet engine?  Jet fuel is so close to diesel fuel, I was wondering if anyone had 
done the research.

Thanks.
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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[biofuel] Diesel Boats

2003-05-29 Thread Jack Kenworthy

I have a question for any mechanic-types out there - particularly marine-diesel 
familiars.  I am thinking about purchasing a 40 foot diesel work boat for a 
combined aquculture and dive operation and I am wondering if any knows about:
1 - this engine in particular:  General Motors 8V71 twin turbo rated at 450 HP? 
 I know that GM has had some trouble with diesel engines in the past just 
wondering if anyone has experience or knowledge pertaining to this model in 
particular.
2 - Special considerations for using biodiesel in marine applications?
Thanks for the help.
Best,
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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Re: [biofuel] Diesel Boats

2003-05-29 Thread Jack Kenworthy

thanks for the input on the engine - much appreciated.  and it is not 
necessarily that I need that much power, but it is what's in the boat that is 
for sale.  It may also prove useful in hauling 1,500 lbs and ice from Eleuthera 
to the market in Nassau.
thanks again.
jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: Neoteric Biofuels Inc 
  To: biofuel@yahoogroups.com 
  Sent: Thursday, May 29, 2003 11:55 AM
  Subject: Re: [biofuel] Diesel Boats


  Common, reliable, used in all sorts of marine applications, buses, etc.

  Known as Screaming Green Leakers I believe, for their noteworthy  
  tendency to run and run, but leak lube oil from various places.

  Just keep a rag handy.

  Pretty heavy on fuel use...my 40' tug had a Perkins 354-6, under 100HP,  
  yet could tow a small barge well, and was very economical. Do you  
  really need all that horsepower??

  Edward Beggs
  http://www.biofuels.ca


  On Thursday, May 29, 2003, at 06:09 AM, Jack Kenworthy wrote:

   I have a question for any mechanic-types out there - particularly  
   marine-diesel familiars.  I am thinking about purchasing a 40 foot  
   diesel work boat for a combined aquculture and dive operation and I am  
   wondering if any knows about:
   1 - this engine in particular:  General Motors 8V71 twin turbo rated  
   at 450 HP?  I know that GM has had some trouble with diesel engines in  
   the past just wondering if anyone has experience or knowledge  
   pertaining to this model in particular.
   2 - Special considerations for using biodiesel in marine applications?
   Thanks for the help.
   Best,
   Jack
   Jack Kenworthy
   Sustainable Systems Director
   The Cape Eleuthera Island School
   242-359-7625 ph. 954-252-2224 fax
   www.islandschool.org
  
   [Non-text portions of this message have been removed]
  
  
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[biofuel] Biodiesel Coop

2003-05-20 Thread Jack Kenworthy

Hey Folks,
Now that I have put some time into the development of a biodiesel processor 
for my school, I am interested in moving the benefits of biodiesel homebrewing 
out into local communities on Eleuthera.  I am particularly interested in the 
biodiesel cooperative idea, or just simply community based biodiesel production 
(Mark?  Keith?).  Any thoughts that anyone has on challenges/successes woith 
bringing the technology out into communities or the structure of a cooperative 
to support it would be most appreciated.
Thanks,
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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Re: [biofuel] methanol pricing

2003-05-08 Thread Jack Kenworthy

i am paying $145 for a 55 gallon drum, so just about $2.63/gallon.  VP Racing 
Fuels is my source.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: brent3369 
  To: biofuel@yahoogroups.com 
  Sent: Thursday, May 08, 2003 11:31 AM
  Subject: [biofuel] methanol pricing


  What price is everyone here paying for methanol? I'm looking for 
  Canadian sourses in western Canada. I pay $30/20l pail here in 
  Yorkton Sask. Can't seem to find larger quantities.

  Brent



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Re: [biofuel] Need Cetane Help

2003-05-08 Thread Jack Kenworthy

craig - I am sure sure of the answer to your question, but would you mind 
telling me where you sent your fuel to be tested, what quantities you needed to 
send in and how much it cost?  Thanks!
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: Craig Pech 
  To: biofuel@yahoogroups.com 
  Sent: Thursday, May 08, 2003 3:05 PM
  Subject: [biofuel] Need Cetane Help


  We just got the results from our first attempt at the ASTM test. Everything
  came in looking good except for a very low cetane number - 29. I have never
  seen this low a number in a BioD test and do not know what we can do to
  raise it. Any ideas out there?

  Craig



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Re: [biofuel] methanol pricing

2003-05-08 Thread Jack Kenworthy

btw, here is an e-mail contact for VP Racing fuels in western Canada.

[EMAIL PROTECTED] 

Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: brent3369 
  To: biofuel@yahoogroups.com 
  Sent: Thursday, May 08, 2003 11:31 AM
  Subject: [biofuel] methanol pricing


  What price is everyone here paying for methanol? I'm looking for 
  Canadian sourses in western Canada. I pay $30/20l pail here in 
  Yorkton Sask. Can't seem to find larger quantities.

  Brent



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Re: [biofuel] flow meters

2003-03-31 Thread Jack Kenworthy

Thanks Kim - here is a little more detail.  
1 - for the heated oil:  never above 130 deg F being pumped through  a 3/4 
copper pipe at roughly 16 gallons/minute.
2 - for the methanol:  ambient temp through 3/4 pipe also at 16 gallons/minute.
3 - as for price, well the cheaper the better, as long as it is of good quality.
Thanks for the help.
Best,
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: Kim  Garth Travis 
  To: biofuel@yahoogroups.com 
  Sent: Monday, March 31, 2003 8:18 AM
  Subject: Re: [biofuel] flow meters


  What flow rate are you looking for?  10 gals a minute or 100 gpm?  What 
  size of pipe?
  What is the maximum temperature of the oil?  My husband is a looks after 
  flow meters in the oil field and knows of about 6 options.  What price 
  range are you looking at?

  Bright Blessings,
  Kim



  -Original Message-
  From: Jack Kenworthy [EMAIL PROTECTED]
  To: biofuel@yahoogroups.com biofuel@yahoogroups.com
  Date: Thursday, March 27, 2003 5:03 AM
  Subject: [biofuel] flow meters
  
  
   Good Morning - does anyone know of a good way to measure (and totalize)
  flow of oil and methanol from storagew tanks to reactor?  I have seen a few
  meters out there that are very expensive and are not spec'd to do either hot
  oil or methanol.  Any ideas for a source for such a meter?  I think this
  would help me with the accuracy of measurements for large quantities.
  Thanks.
   jk
   Jack Kenworthy
   Sustainable Systems Director
   The Cape Eleuthera Island School
   242-359-7625 ph. 954-252-2224 fax
   www.islandschool.org


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[biofuel] measuring fluid quantities

2003-03-30 Thread Jack Kenworthy

I didn't hear from anyone about sourcing out a flow meter for measuring large 
quanities of heated WVO and methanol into the reaction tank, so perhaps such 
things aren't used.  How do folks typically measure the amount of WVO and 
methanol they are putting into the reactor for largish batches, say 100 gallons?
Thanks.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org

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[biofuel] flow meters

2003-03-27 Thread Jack Kenworthy

Good Morning - does anyone know of a good way to measure (and totalize) flow of 
oil and methanol from storagew tanks to reactor?  I have seen a few meters out 
there that are very expensive and are not spec'd to do either hot oil or 
methanol.  Any ideas for a source for such a meter?  I think this would help me 
with the accuracy of measurements for large quantities.  Thanks.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org


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Re: [biofuel] ethanol mixtures

2003-03-24 Thread Jack Kenworthy

great, thanks for the tips.  i won't continue to mix after the 55 galls in used 
up, so I don't anticipate any short-term problems with the low mixtures.  
Ed, I have tried to make biodiesel with the ethanol about 10 times with no 
success.  I am assuming it has to do with water content in the ethanol and I 
have switched to methanol.  at some point I would like to try to squeeze the 
last bit of water out with 3A zeolite, but I don't have the $$ to do it right 
now, nor a way to re-activite it at 300-350 deg C.
cheers,
Jack

oh yeah,  quick follow up question for anyone with knowledge of engines...
a good chunk of our gasoline use is in 4-stroke Mercury outboard engines in our 
boats.  I assume that the 10% ethanol would be suitable for this as well?
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: bratt 
  To: biofuel@yahoogroups.com 
  Sent: Sunday, March 23, 2003 7:04 PM
  Subject: Re: [biofuel] ethanol mixtures


  There are two more important consideraations when using ethanol or methanol 
mixtures in gasoline. 

  One is the corossive nature of alcohol and its effect on seals, gaskets and 
hoses.  There is also mild corrosion of aluminum.   Limiting the mix ratio 
keeps it minimal. 

  The other is that addition of alcohol or methanol will raise the octane 
rating, however, after reaching a certain point, adding more will drop the 
octane reading, according to the lab at the local refinery.  I did not get 
figures, but If I were using up 55 gallons, I would use it in a 10 per cent 
solution, just like the local gas station pumps.

  EdB


- Original Message - 
From: Jack Kenworthy 
To: biofuel@yahoogroups.com 
Sent: Sunday, March 23, 2003 4:42 PM
Subject: [biofuel] ethanol mixtures


can anyone tell me the maximum amount of ethanol that you can blend with 
gasoline and burn in an unmodified gasoline engine?  I have a 55 gall drum of 
ethanol lying around that I can't make biodiesel with and I am looking for a 
suitable use.  thanks.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org


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[biofuel] ethanol mixtures

2003-03-23 Thread Jack Kenworthy

can anyone tell me the maximum amount of ethanol that you can blend with 
gasoline and burn in an unmodified gasoline engine?  I have a 55 gall drum of 
ethanol lying around that I can't make biodiesel with and I am looking for a 
suitable use.  thanks.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org


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[biofuel] Arrogance of Power

2003-03-20 Thread Jack Kenworthy

Senator Robert Byrd, for all of his faults, continues to voice a dissenting 
view on Bush Administration policy with a sense of outrage, clarity and 
compassion.


  Senate Remarks by Robert C. Byrd
 
 
 March 19, 2003
  
 
 The Arrogance of Power
  
 
 I believe in this beautiful country.  I have studied its roots and gloried 
in the wisdom of its magnificent Constitution.  I have marveled at the wisdom 
of its founders and framers.  Generation after generation of Americans has 
understood the lofty ideals that underlie our great Republic.  I have been 
inspired by the story of their sacrifice and their strength.  

  But, today I weep for my country.  I have watched the events of recent 
months with a heavy, heavy heart.  No more is the image of America one of 
strong, yet benevolent peacekeeper.  The image of America has changed.  Around 
the globe, our friends mistrust us, our word is disputed, our intentions are 
questioned.  

  Instead of reasoning with those with whom we disagree, we demand 
obedience or threaten recrimination.  Instead of isolating Saddam Hussein, we 
seem to have isolated ourselves.  We proclaim a new doctrine of preemption 
which is understood by few and feared by many.  We say that the United States 
has the right to turn its firepower on any corner of the globe which might be 
suspect in the war on terrorism.  We assert that right without the sanction of 
any international body.  As a result, the world has become a much more 
dangerous place. 

  We flaunt our superpower status with arrogance.  We treat UN Security 
Council members like ingrates who offend our princely dignity by lifting their 
heads from the carpet.  Valuable alliances are split.  After war has ended, the 
United States will have to rebuild much more than the country of Iraq.  We will 
have to rebuild America's image around the globe. 

  The case this Administration tries to make to justify its fixation with 
war is tainted by charges of falsified documents and circumstantial evidence.  
We cannot convince the world of the necessity of this war for one simple 
reason.  This is a war of choice.  

  There is no credible information to connect Saddam Hussein to 9/11.  The 
twin towers fell because a world-wide terrorist group, Al Qaeda, with cells in 
over 60 nations, struck at our wealth and our influence by turning our own 
planes into missiles, one of which would likely have slammed into the dome of 
this beautiful Capitol except for the brave sacrifice of the passengers on 
board. 

  The brutality seen on September 11th and in other terrorist attacks we 
have witnessed around the globe are the violent and desperate efforts by 
extremists to stop the daily encroachment of western values upon their 
cultures.  That is what we fight.  It is a force not confined to borders.  It 
is a shadowy entity with many faces, many names, and many addresses. 

  But, this Administration has directed all of the anger, fear, and grief 
which emerged from the ashes of the twin towers and the twisted metal of the 
Pentagon towards a tangible villain, one we can see and hate and attack.  And 
villain he is.  But, he is the wrong villain.  And this is the wrong war.  If 
we attack Saddam Hussein, we will probably drive him from power.  But, the zeal 
of our friends to assist our global war on terrorism may have already taken 
flight. 

  The general unease surrounding this war is not just due to orange 
alert.  There is a pervasive sense of rush and risk and too many questions 
unanswered.   How long will we be in Iraq?  What will be the cost?  What is the 
ultimate mission?  How great is the danger at home?  A pall has fallen over the 
Senate Chamber.  We avoid our solemn duty to debate the one topic on the minds 
of all Americans, even while scores of thousands of our sons and daughters 
faithfully do their duty in Iraq.  

  What is happening to this country?  When did we become a nation which 
ignores and berates our friends?  When did we decide to risk undermining 
international order by adopting a radical and doctrinaire approach to using our 
awesome military might?  How can we abandon diplomatic efforts when the turmoil 
in the world cries out for diplomacy? 

  Why can this President not seem to see that America's true power lies not 
in its will to intimidate, but in its ability to inspire?  

  War appears inevitable.  But, I continue to hope that the cloud will 
lift.  Perhaps Saddam will yet turn tail and run.  Perhaps reason will somehow 
still prevail.  I along with millions of Americans will pray for the safety of 
our troops, for the innocent civilians in Iraq, and for the security of our 
homeland.  May God continue to bless the United States of America in the 
troubled days ahead, and may we somehow recapture the vision which for the 
present eludes us. 

  ###
 

Daniel O'Brien
History Department
The Island School

Re: [biofuel] Re: some results

2003-03-15 Thread Jack Kenworthy

mark - do you mean doing a reprocess test on the clear biodiesel that I just 
made?  I haven't done that yet, but it still isn't all that easy to wash so 
maybe I'll try that.  when the batch that came out clear was done, there were 
many variables changed, such as more drying of oil, MUCH finer filtration of 
oil, a bit more lye, and higher proces temp - so I have to go back and try to 
suss out what the variable or combination of variables was that caused the fuel 
to clear right away after process.  I'll keep you posted.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
  - Original Message - 
  From: girl_mark_fire 
  To: biofuel@yahoogroups.com 
  Sent: Saturday, March 15, 2003 12:06 AM
  Subject: [biofuel] Re: some results


  Jack,
  I'm still really curious about your problem and the troubleshooting 
  of it. You are working with a closed processor if heating that high, 
  right? (After I suggested you up the temperature my boyfriend just 
  had a little accident with methoxide- working indoors, heating the 
  oil to a high tempeature like you are- and he got some weird puffing 
  up of his drum lid from the extra vaporizing or something. The fumes 
  got out of the lid (not entirely 100% enclosed), blew back into the 
  methoxide mixer, puffed it out, knocking it over, and he got serious 
  dose of fumes trying to deal with the situation. ARGGH)

  anyway , I am wondering if you've done a reprocess test on it yet. 
  I;m curious is that shows anything different... do the same tests you 
  reported (as in, the same methanol/lye amounts) since as I said I 
  don't know exactly how little methanol/lye to suggest on a reprocess.

  congratulations!
  mark


  --- In biofuel@yahoogroups.com, Jack Kenworthy [EMAIL PROTECTED] 
  wrote:
   folks - 
   a couple of things have together at once to dramatically improve my 
  results.  first, effectively dewatering the oil.  bringing to 60deg 
  C, holdig for 30 mins and letting cool over night.  then reheating to 
  140 for processing to allow for cooling with methanol introduction 
  and process time.   Additionally, I have added a 20 micron filter to 
  get nasties out of the oil before processing.  voila, clear 
  biodiesel.   Joy!  I am washing tonight, so I will let you know how 
  that stage goes, but at least the first problem is clearing 
  up...literally.
   I have a somewhat different question to ask folks here (Hakan?)  I 


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[biofuel] some results

2003-03-13 Thread Jack Kenworthy

folks - 
a couple of things have together at once to dramatically improve my results.  
first, effectively dewatering the oil.  bringing to 60deg C, holdig for 30 mins 
and letting cool over night.  then reheating to 140 for processing to allow for 
cooling with methanol introduction and process time.   Additionally, I have 
added a 20 micron filter to get nasties out of the oil before processing.  
voila, clear biodiesel.   Joy!  I am washing tonight, so I will let you know 
how that stage goes, but at least the first problem is clearing up...literally.
I have a somewhat different question to ask folks here (Hakan?)  I recently 
purchased some HOBO data loggers to monitor loads on campus.  To my chagrin, 
though not mush surprise, I am finding that our freezer compressor runs 85% of 
the time at 14.5 amps.  Youch.  It is a Beverage Air Restaurant Freezer that 
has ben recently serviced and cleaned with the thermostat adjusted properly.  
Maybe just worn out.  Two questions: 1) what is the normal duty cycle for a 
unit like this?  2) any ideas for replacements?  Most of the ultra-efficient 
companies (Sunfrost, etc) do not offer units large enough for our 70 person 
community.  
Thanks again for the tips with the clouds.  No doubt I will have more 
questions, but the dialogue here really helped me work through it.  cheers.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org


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[biofuel] reprocessing biodiesel

2003-03-09 Thread Jack Kenworthy

Here are the  results of my other reprocessing tests.
1st - I used 3.5g lye and 200 ml Methanol - the biodiesel cleared and another 
80-100 ml of glycerol settled out.  The biodiesel on top has the appearance of 
clarity , but it also looked like it has a bit of methanol still left in that 
layer, as it appeared swirly (you know like when salt water and freh water mix 
and it is kind of like a heat mirage?)
washing was terrible - just went totally cloudy and mayonaisse.
2nd -  I tried it again with 50 ml methanol and 1g lye - some glycerol 
seperated out, but the biodiesel on top was still cloudy.
3rd - Used 100 ml methanol and 2g lye.  Similar to previous, some glycerol 
settling out (roughly double the amount of the 50ml/1g test as you might 
expect), but still cloudy on top.
 So perhaps I need to use an amout in between 100ml/2g and 200ml/3.5 g?  But I 
tried to process a new batch of the same oil with 250ml methanol and 7g lye - I 
got strong clear seperation of biodiesel/glycerine, but still cloudy on top.  
Argghhh.
Keith, I am still waiting for the water to drop out of the oil that I washed -  
it is well mixed in there and drying only slowly, once it does I will test it.  
Is it normal for the water to get so hung up?
Thanks for any pointers.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org


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[biofuel] the clouds clear

2003-03-07 Thread Jack Kenworthy

...but not in my mind.
mark - i went with the reprocess first.  took one liter of biodiesel (the 
cloudy stuff I mentioned before) and processed as for virgin oil; 3.5g lye, 
200ml methanol.  The biodiesel was at room temperature (80 deg F here) and I 
mixed for 20 minutes.  After 4 hours of settling there is roughyl 100 ml of 
dark fluid seperated out in the bottom of the jar (methanol and glycerine?)  
anf the top layer is quite clear - though there are still droplets falling out.
BTW, Keith, I am also drying the wvo that I washed to see what that does for a 
reaction using the titration levels I did before.  I combined the hot/cold wash 
method for the oil - e.g. hot oil, room temp distilled water.  Just cause the 
oil was already hot and I don't have a way to heat water at my lab on that 
scale - just big drum heaters.  I'll post that later.
SO, I am confused about what I did wrong the first time.  I thought that 
perhaps my lye was weak, b/c I am in a very hot humid environment, but the 
pellets are well sealed and besides, it is the same stuff that I recently made 
up a batch of .1% lye water from.  So, perhaps it was the agitation duration?  
But then, another twenty minutes wouldn't seem to have really made much 
difference (albeit it was twenty minutes with extra ingredients) - I just don't 
understand the chemistry well enough.  I am going to try a new batch with 5+ 
grams NaOH and see what happens.  Might go with 25% meth too.  Any thoughts?
cheers,
jk

Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
 


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[biofuel] good reading

2003-03-07 Thread Jack Kenworthy

I am not sure if any of you are big wendell berry fans, but his most recent 
essay, which was published as a full page add in the NY Times thanks to some 
serious fundraising by good friends.  It is worth looking at if you haven't.  
Also look at Senator Robert Byrd's statement on the senate floor earlier in Feb 
(I know Byrd has history, but his words her are poignant and timely).  It 
provides a heartening departure from the Bush rhetoric yet calls for a level of 
citizen responsibility not seen in the US for a long time.

Wendell Berry:
http://www.oriononline.org/pages/om/03-2om/Berry.html

Robert Byrde Statement:
http://truthout.org/docs_02/021403A.htm

best,
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org


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Re: [biofuel] Re: glycerol seperation and clouds

2003-03-04 Thread Jack Kenworthy

mark and keith - thanks for the advice.  I am going to go down to the lab today 
and run several 1 liter tests, including reprocessing and the oil wash 
(intersesting idea!).  I will report on what I find.
What is the philosophy behind mixing the glycerine back in after seperation?  
and might that also be a help in my situation?
Is it possible that 5 gallons glycerine (1/8 volume) seperation on 40 gallons 
oil is normal?  What would be the consequence of burning fuel in an engine if 
there were more glycerine to drop out?
Thanks for the follow up - more soon on my trials.
Best,
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org




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[biofuel] glycerol seperation and clouds

2003-03-03 Thread Jack Kenworthy

Hi all - I am wondering if you all could help me clarify a few production 
questions.  Let me describe a bit the conditions I am working with.
First, my oil is very good quality wvo from a cruise ship.  They use it 1-2 
days and then give it to us.  My titrations routinely give me a value of around 
.3 - .5 extra grams of lye/liter ( I use a biurette for titration, so small 
quantities to 1/10th ml are fairly easy to determine).  My batch sizes are 
presently about 40-50 gallons and I am using 23% methanol to ensure that the 
reaction goes far enough.  I am preheating my oil to 120 F and filtering, 
though only coursely (through 4-ply steel screen), before pumping into reaction 
tank.  I pump the hot oil from about 6 off bottom of drum to avoid getting any 
residual water.  Once in the reaction tank, I am no longer able to maintain 
heat, so the temp falls off from there during the reaction.  The methoxide I 
mix with both a high rpm mixer and a circulating pump for about 20-30 minutes.  
I mix the whole batch with the same mixer for 3-4 hours - it is quite vigorous. 
 I let it sit after mixing for about 24 hours,  but I do not stir the glycerol 
back in.
Here is what I am seeing:
1 -for a 40 gallon batch of veggie oil, I am getting only about 5 gallons of 
glycerol seperating out on bottom.  Does this seem like a normal amount?   I 
used 9.2 gallons methanol and 3.8g/liter NaOH - totaling 575g.
2 - The biodiesel on top is also still cloudy.  This is puzzling to me, but I 
am still not quite sure if it is normal.  I have other tanks that I let it 
settle in for about a week and some more fatty substances fall out (more 
glycerol?  tallow esters?).  But it is still not totally clear. When I go to 
wash, it is usually a painful process - takes forever.  First wash comes out 
white, second less so and third pretty darn clear, but the biodiesel is still 
not totally clear (usual?).  I am adding 10 ml/L of white vinegar to the wash, 
but I am concerned to use more to avoid converting back to FFA's.  If I heat to 
90-100 degrees F, it seems to clear and sometimes remains clear, sometimes not. 
 If it does, I filter and use it.  If not I wait longer, and 
eventuallyit clears.

I am wondering if this is all very usual, or if there is a quicker way to get 
the settle/wash done.  I am trying right now to process all of the 100 gallons 
a week in a 50 gallon processor, so I am doing two batches and my settle/wash 
tank space is tight.  Would stirring glycerol back in help?  More/less 
Methanol?  

I have searched the archives and found a ton of useful info, but I was hoping 
someone might have a minute to comment on some of the particulars of my 
situation.  Thanks in advance for any assistance.

Best,
Jack

Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org


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[biofuel] Biodiesel in Bahamas

2003-02-24 Thread Jack Kenworthy

Hello All,
Just wanted to give you all an update on the progession of my biodiesel 
work in The Bahamas - a process that has benefitted greatly from the input I 
have received on this list.  A quick update on the input I received earlier re: 
attaching fittings to drums:  I have found that MSC Industrial sells 3/4 
copper bulkhead fittings and also either teflon or viton gaskets that work well 
to put a fitting anywhere on a drum quickly without welding or brazing - good 
for me b/c I don't have a welder.  We'll see how long they last - they appear 
quite sturdy.  Since I don't have a welder, I also cannot make the cone bottom, 
but threading the 3/4 bung (using top of drum as bottom) with a U fitting 
inside is working well enough for now.
A major goal of ours here at the school is to begin to make enough 
biodiesel that we can get some ou tinto the local community and eventually 
create a local industry producing it (we just had the Prime Minister here for a 
conference and he is very excited to support the project - could reach out to 
many family islands in The Bahamas).  Right now we are getting 100+ 
gallons/week from Princess Cruiselines when they land each week.  The oil 
quality is top notch.  They use it for only 1-2 days and they give it to me 
filtered and decanted - very nice.  If anyone has access to such a supply, I 
would recommend pursuing it.  It takes a couple of months to break through the 
red tape, but well worth it for us.  I would estimate that we could expand our 
offloading from their ships to 500-700 gallons a week if we tapped all ships 
that travel this way.
With 100 gallons a week, my present processor is too small and I am needing 
to do two batches to use all of the oil - more time than I have presently, so I 
am looking to make a bigger processor.  Polyethylene seems like a good way to 
go b/c it is cheap and I can get the tanks here easily.  I have searched the 
archives for info on medium density polyethylene compatibility info, but only 
see references for HDPE.  I want to use MDPE for processing, settling and wash 
tanks - any fear of rapid breakdown with this?  
Thanks again for all of the valuable input.
Best,
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org


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[biofuel] oil production

2003-01-23 Thread Jack Kenworthy

Hello,
Keith, I was wondering about some of the information I have seen you post 
regarding the amount of world food production that is produced with no land.  I 
think I remember seeing 15% and I am wondering if you could point me towards 
some sources for that information.  We are running a permaculture designers 
course here right now and I got into a discussion with one of the instructors 
who was very interested by those figures.  I am also interested in what the 
list feels is the potential for the production of oil crops without taking up 
agricultural space for food production.
and thanks for all the posts on the drum modification, I am well on my way 
now.
cheers,
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 242-359-7697 fax
www.islandschool.org


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[biofuel] Drum Modification

2003-01-13 Thread Jack Kenworthy

Hello,
I am trying to find a reliable way to install a 3/4 copper valve in the 
side of a 55 gallon drum in order to drain off settled biodiesel to go into a 
wash tank (leaving the settled out gunk at the bottom).  Does anyoned have a 
good technique or know of suppliers for the necessary parts?  Thanks.
Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 242-359-7697 fax
www.islandschool.org


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[biofuel] High pH

2002-11-27 Thread Jack Kenworthy

I am having some trouble figuring out this problem - hoping someone could help.
I have recently made a 25 gallon batch of biodiesel, which came out a bit 
murky.  I have since washed the fuel five times with the bubble wash method - 
for at least 12 hours at a time.  The water from the last wash was much clearer 
than previous washes - almost nothing coming out of the biodiesel.  The 
specific gravity checks out at .88 at 60deg F.  The wierd thing is that the pH 
meter I have (it is a nice, new Oakton digital pH meter, recently calibrated) 
tells me variously that the pH is either over range, or somewhere around 12.5!! 
 I find this impossible to believe, but I have no good explanation for the 
reading.  The titration for the batch came out at only 4g/liter - no huge 
amount of NaOH.  Does anyone know if there would be something in the biodiesel 
that would cause the meter to freak out?  I have yet to put a batch of 
biodiesel into a vehicle.  This well-washed fuel is clear, amber, and right 
specific gravity - just wierd pH.  I am nervous to discount the meter reading 
and put it in the tank for the first go.
Any thoughts?

- Thanks for the responses on the methane digestor - very useful links and 
contacts.

-Jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 242-359-7697 fax
www.islandschool.org
  - Original Message - 
  From: Greg and April 
  To: biofuel@yahoogroups.com 
  Sent: Wednesday, November 27, 2002 11:45 AM
  Subject: [biofuel] Fw: Micro Hydro Power


  Found this on another list, and thought that a few people here would be
  interested.

  Greg H.

  - Original Message -
  Sent: Wednesday, November 27, 2002 07:32
  Subject: Micro Hydro Power


   Energy Systems and Designs offers the Stream Engine, which might help
  you
   power equipment in your greenhouse, should you have some running water in
   your nearby watershed.
  
   http://www.microhydropower.com/index2.htm
  



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Re: [biofuel] Re: Direct Democracy

2002-11-27 Thread Jack Kenworthy

excuse me - I may be out of my mind, or simply out of place as a newcomer to 
this list, but what does any of this back and forthing have to do with biofuels 
(in the direct sense)?  Nuclear weapons?  rule of the masses?  Interesting and 
compelling topics, but perhaps better suited for off the list.  Maybe I am 
missing something.
I am trying to make biodiesel in The Bahamas - a small nation with a large 
chance of turning their energy future into a healthy and renewable one.  
Experienced advice on occasion is very useful to me and I am happy to share any 
successes or failures I experience that may be beneficial to anyone else.  
jack
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 242-359-7697 fax
www.islandschool.org
  - Original Message - 
  From: Greg and April 
  To: Party of Citizens 
  Cc: biofuel@yahoogroups.com 
  Sent: Wednesday, November 27, 2002 6:40 PM
  Subject: Re: [biofuel] Re: Direct Democracy



  - Original Message -
  From: Party of Citizens [EMAIL PROTECTED]
  To: Greg and April [EMAIL PROTECTED]
  Cc: biofuel@yahoogroups.com
  Sent: Wednesday, November 27, 2002 16:20
  Subject: Re: [biofuel] Re: Direct Democracy





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[biofuel] Methane Digestor

2002-11-25 Thread Jack Kenworthy

  Hello,
We have a constructed wetland at our school that processes our sewage from 
roughly 70 people.  The system has a settling tank where solids are seperated 
out before sending the fluid waste into the wetland gardens.  Every year or 
so, the solids build up and need to be pumped out.  I am wondering if anyone 
knows if there is a way to build a digestor to be able to extract methane from 
the solid waste?  I have seen systems in Cuba using cow manure, but never with 
human waste.  Any ideas?
thanks,
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 242-359-7697 fax
www.islandschool.org


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[biofuel] Murky Fuel

2002-11-18 Thread Jack Kenworthy

Hello,
I am a recent convert to biodiesel, as we have switched to all diesel 
vehicles at our school in The Bahamas, and we have a steady supply of WVO from 
Princess Cruiselines who visit the south end of our island.  I have a few 
questions about the batches that I have made so far:
My most recent brew (and first large batch - roughly 35 gallons) came out 
with good seperation, but the top biodiesel layer was not clear - it was fairly 
cloudy.  I drained out the glycerine and added water which I bubbled through 
the biodiesel for about 10 hours.  After two days now, there is no sign that 
the water has begun to settle out very thoroughly.  There is a distinct water 
layer at the bottom of the tank, but a good deal still seems to be suspended in 
the biodiesel.  The water layer at the bottom is white-ish as would be 
expected.  
The oil I used was fairly old (about one month - and we're in the 
sub-tropics) and it was heated to remove water and then strained.  The oil was 
about 125 deg. F when the processing occurred.  The titration, despite the oil 
being old, only indicated an additional .5g lye over the standard, so I used 4g 
lye for every liter WVO and methanol at 20 percent of WVO.  
First, is it plausible that the age of the oil caused the biodiesel to be 
cloudy in the first place? Does it usually take a very long time for all water 
to settle out?  Is there any way to speed it up?  Is it possible that after one 
water wash the biodiesel would still be murky even though the water had settled 
out already, indicating a need for a second wash?
Thanks for any help, and I am getting a lot of good info just from reading the 
messages on the list.
Best,
Jack

p.s. I have made smaller batches (1 liter) that I have washed (which were a 
little murky) and they settled out after only a day.
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 242-359-7697 fax
www.islandschool.org
  - Original Message - 
  From: Keith Addison 
  To: biofuels-biz@yahoogroups.com 
  Cc: biofuel@yahoogroups.com 
  Sent: Monday, November 18, 2002 1:34 PM
  Subject: [biofuel] Re: [biofuels-biz] CHRONOLOGY - Spanish oil spill latest 
of many


  Hi Todd

  Not a complete list to be sure.

  Indeed not, thanks for filling it out. There've been a few news 
  stories recently about ships sunk during WWII still causing 
  pollution, more still to come, and about oil spills from 30 years 
  back still causing pollution problems.

  Also, I recall something about empty oil tankers returning to the 
  Gulf for more causing problems round the Cape by flushing out their 
  tanks (or something?) out at sea beyond the territorial limit. Used 
  to be millions and millions of jackass pengions there, for instance, 
  now there aren't any.

  In 1978 I was living on an offshore island (Lamma) in Hong Kong, in a 
  village called Sok Kwu Wan at the end of a long, narrow bay, famed 
  for its seafood restaurants - the bay was filled with fish farms, the 
  tidal patterns etc being perfect for it. The island's on the other 
  side of the main shipping channel out of Hong Kong, one of the main 
  shipping ports in the world. There are scores of bouys and navigation 
  beacons in that channel, it must be one of the best-marked bits of 
  ocean there is. One morning (I worked all night at a newspaper) I 
  caught a sampan home across the channel to find a large container 
  ship perched nose-first on a rock at the entrance to the bay. It was 
  called the Adrian Maersk. There was a beacon right there - like a car 
  colliding with a traffic-light. The ship released a whole lot of fuel 
  oil - well, it seemed like a whole lot, but it was nothing compared 
  to a major spill. Killed all the fish though - the fish farmers were 
  doing handstands: Compensation! A double nightmare ensued: first, all 
  the dead fish had to be collected and weighed so it could be paid 
  for; second, the oil had to be cleaned up. Large piles of seriously 
  rotting fish and fuel oil make for a less-than-pleasant background 
  aroma. Foreground aroma, actually. I took a series of photographs of 
  the Chinese workers cleaning up the oil, bare-legged, up to their 
  thighs in the stuff. Very strong, instant and lasting impression it 
  gave: NOT a part of nature at all, the whole thing was pervaded by a 
  deep and most obvious sense of wrongness. Wrong wrong wrong.

  Utterly wrong too was the idea that money was somehow the correct 
  medium for papering over the mess. Kirk's quite right about this:

  Notice many of these are navigational errors. The radar on the Valdez was
  broken for at least 6 months prior to its contact with the coast. The ship
  owners don't care. Repairs dip into profits. Ships are unsafe.
  
  Kirk

  But if we all want our nice wasteful hopelessly unsustainable wanton 
  Western lifestyles intact, we should just be grateful they get us the 
  stuff at all, eh? Never mind how