Re: [biofuel] Re: ethanol distillation in copper

2002-02-14 Thread Terry Wilhelm
TECTED] - Original Message - From: "janandjoe" <[EMAIL PROTECTED]> To: Sent: Wednesday, February 13, 2002 5:50 AM Subject: RE: [biofuel] Re: ethanol distillation > I am currently experimenting with adapting copper cylinders which are heated > via a coil using solar

Re: [biofuel] Re: ethanol distillation

2002-02-13 Thread steve spence
:8383/2000/humanpower.htm [EMAIL PROTECTED] - Original Message - From: "janandjoe" <[EMAIL PROTECTED]> To: Sent: Wednesday, February 13, 2002 5:50 AM Subject: RE: [biofuel] Re: ethanol distillation > I am currently experimenting with adapting copper cylinders which are

RE: [biofuel] Re: ethanol distillation

2002-02-13 Thread janandjoe
seem to be scope for its less problematic use at the heating stage.. Jan -Original Message- From: randallbarron1 [mailto:[EMAIL PROTECTED] Sent: 08 February 2002 14:42 To: biofuel@yahoogroups.com Subject: [biofuel] Re: ethanol distillation Okay, so solar stills are available, but do not

[biofuel] Re: ethanol distillation

2002-02-12 Thread motie_d
--- In [EMAIL PROTECTED], "Juan Boveda" <[EMAIL PROTECTED]> wrote: > Moti, just to add an idea to get cheaper vacuum, to use the gravity not > only a big vacuum pump. > > In industry, to keep under vacuum something the usual way is to use a 11 รถ > 11.5 meter tall cylinder full of slow running w

RE: [biofuel] Re: ethanol distillation

2002-02-12 Thread Juan Boveda
r ejector's flow rate capacity, I add a kind of drawing, hope it goes fine. Best regards Juan ---I I to I_ _I from still pump I I I I I I I I I I 11 m minimum I I I I I=I I=I Tray -- De: motie_d <[EMAIL PROTECTED]> A: bio

Re: [biofuel] Re: ethanol distillation

2002-02-11 Thread Randall & Shelley Barron
uary 11, 2002 12:37 AM > To: biofuel@yahoogroups.com > Subject: [biofuel] Re: ethanol distillation > > > > As long as you are using a propane tank in the system. Have you > > > considered using a larger tank. Using the air comnpressor draw a > > > vacu

Re: [biofuel] Re: ethanol distillation

2002-02-11 Thread Randall & Shelley Barron
> From: "Randall & Shelley Barron" > > Sent: Sunday, February 10, 2002 11:14 > Subject: Re: [biofuel] Re: ethanol distillation > > > > You could use a Carbon dioxide scrubber to remove the CO2 and then > still > > be able to use a vacuum for distillation. > &

RE: [biofuel] Re: ethanol distillation

2002-02-11 Thread kirk
@yahoogroups.com Subject: [biofuel] Re: ethanol distillation > > As long as you are using a propane tank in the system. Have you > > considered using a larger tank. Using the air comnpressor draw a > > vacuum onto the tank and then use it as a stored energy source. A > > typical

Re: [biofuel] Re: ethanol distillation

2002-02-11 Thread r . p . kurz
motie, a cold trap between the vacuum pump and the ethanol source should solve the problem of pump lubrication. adding an oil trap before the pump would also be advisable.imho. regards,roger > --- In [EMAIL PROTECTED], "cornfed62" <[EMAIL PROTECTED]> wrote: > > As long as this is

[biofuel] Re: ethanol distillation

2002-02-11 Thread cornfed62
> > As long as you are using a propane tank in the system. Have you > > considered using a larger tank. Using the air comnpressor draw a > > vacuum onto the tank and then use it as a stored energy source. A > > typical thousand gallon service propane tank with special plumbing > > and val

Re: [biofuel] Re: ethanol distillation

2002-02-11 Thread John Harris
Monday, 11 February 2002 3:05 Subject: Re: [biofuel] Re: ethanol distillation > > - Original Message - > From: "Randall & Shelley Barron" > > Sent: Sunday, February 10, 2002 11:14 > Subject: Re: [biofuel] Re: ethanol distillation > > > > You co

Re: [biofuel] Re: ethanol distillation

2002-02-11 Thread John Harris
=1261&contentID=-1&languageID=1 or here http://www.alfalavalagri.ch/ Regards John - Original Message - From: "Greg and April" <[EMAIL PROTECTED]> To: Sent: Monday, 11 February 2002 3:05 Subject: Re: [biofuel] Re: ethanol distillation > > - Original Message

[biofuel] Re: ethanol distillation

2002-02-10 Thread motie_d
--- In [EMAIL PROTECTED], "cornfed62" <[EMAIL PROTECTED]> wrote: > As long as this is still in the theory stage: Remember that ethanol > is an excellant cleaning solvent. You will need to pay extra special > attention to your 2 cylinder compressor to make sure the essential > mechanical par

Re: [biofuel] Re: ethanol distillation

2002-02-10 Thread Greg and April
- Original Message - From: "Randall & Shelley Barron" > Sent: Sunday, February 10, 2002 11:14 Subject: Re: [biofuel] Re: ethanol distillation > You could use a Carbon dioxide scrubber to remove the CO2 and then still > be able to use a vacuum for distillation.

Re: [biofuel] Re: ethanol distillation

2002-02-10 Thread Randall & Shelley Barron
You could use a Carbon dioxide scrubber to remove the CO2 and then still be able to use a vacuum for distillation. The House of Jade wrote: > Well, you are now talking about vacuum fermentation for which there > is a > patented process. Stripping off ethanol as it is produced solves one > probl

[biofuel] Re: ethanol distillation

2002-02-09 Thread cornfed62
As long as this is still in the theory stage: Remember that ethanol is an excellant cleaning solvent. You will need to pay extra special attention to your 2 cylinder compressor to make sure the essential mechanical parts are still being oiled. The ethanol vapor will tend to wash the cylinde

[biofuel] Re: ethanol distillation

2002-02-09 Thread motie_d
--- In [EMAIL PROTECTED], "kirk" <[EMAIL PROTECTED]> wrote: > >Are you pumping the liquid solution, or > just the vapors? > > Just the vapor is moving across. You have space over the liquid and the > "air" is connected to a cold space that is lower so the cold air is stable. > As the alcohol be

Re: [biofuel] Re: ethanol distillation

2002-02-09 Thread The House of Jade
Well, you are now talking about vacuum fermentation for which there is a patented process. Stripping off ethanol as it is produced solves one problem but the problem is that the vacuum system must deal with the massive amounts of carbon dioxide being generated by the fermentation process; so va

Re: [biofuel] Re: ethanol distillation

2002-02-09 Thread Keith Addison
>there are turbo yeasts available that will withstand >20%+. with sufficent vacuum you can boil water at >room temp. i would question whether the yeast's ability >to propagate (and therefore produce ethanol)would >be affected by a low vacuum.i think that you are >pursuing an interesting avenue of

RE: [biofuel] Re: ethanol distillation

2002-02-08 Thread kirk
Friday, February 08, 2002 7:55 PM To: biofuel@yahoogroups.com Subject: [biofuel] Re: ethanol distillation I'll interpose my thoughts into the body of your message. --- In [EMAIL PROTECTED], "kirk" <[EMAIL PROTECTED]> wrote: > The relationship of pressure to yeast viability is

[biofuel] Re: ethanol distillation

2002-02-08 Thread motie_d
--- In [EMAIL PROTECTED], [EMAIL PROTECTED] wrote: > motie, fermentation temps. should not exceed 25C(77F). > i am still trying to look thru my info to find the vacuum > required to distill off ethanol at say 68-72F. > roger Thanks. That would much simplify the process, if it can be don

[biofuel] Re: ethanol distillation

2002-02-08 Thread motie_d
--- In [EMAIL PROTECTED], "rwe" <[EMAIL PROTECTED]> wrote: > Motie, > Have you done any work on making the residue from the still fit for human > consumption? > By > Raw Not yet, but it may 'accidently' occur occasionaly. I may have to further purify a small sample occasionally for 'lab tests'!

[biofuel] Re: ethanol distillation

2002-02-08 Thread motie_d
I'll interpose my thoughts into the body of your message. --- In [EMAIL PROTECTED], "kirk" <[EMAIL PROTECTED]> wrote: > The relationship of pressure to yeast viability is an unknown to me but if > the liquid column is deep enough that should establish a viability zone and > a piece of filter (

Re: [biofuel] Re: ethanol distillation

2002-02-08 Thread r . p . kurz
motie, fermentation temps. should not exceed 25C(77F). i am still trying to look thru my info to find the vacuum required to distill off ethanol at say 68-72F. roger > --- In [EMAIL PROTECTED], [EMAIL PROTECTED] wrote: > > there are turbo yeasts available that will withstand > > 20%+. wit

RE: [biofuel] Re: ethanol distillation

2002-02-08 Thread rwe
Motie, Have you done any work on making the residue from the still fit for human consumption? By Raw -Original Message- From: motie_d [mailto:[EMAIL PROTECTED] Sent: Saturday, 09 February, 2002 10:11 AM To: biofuel@yahoogroups.com Subject: [biofuel] Re: ethanol distillation --- In

RE: [biofuel] Re: ethanol distillation

2002-02-08 Thread r . p . kurz
tank. Slowest process of all but uses the least energy. > > Just some meandering round Robin Hood's barn but I think there is a seed or > two in there. > > Kirk > > > -----Original Message----- > From: motie_d [mailto:[EMAIL PROTECTED] > Sent: Friday, Februa

[biofuel] Re: ethanol distillation

2002-02-08 Thread motie_d
--- In [EMAIL PROTECTED], [EMAIL PROTECTED] wrote: > there are turbo yeasts available that will withstand > 20%+. with sufficent vacuum you can boil water at > room temp. i would question whether the yeast's ability > to propagate (and therefore produce ethanol)would > be affected by a low vacuum.

RE: [biofuel] Re: ethanol distillation

2002-02-08 Thread kirk
west process of all but uses the least energy. Just some meandering round Robin Hood's barn but I think there is a seed or two in there. Kirk -Original Message- From: motie_d [mailto:[EMAIL PROTECTED] Sent: Friday, February 08, 2002 3:34 PM To: biofuel@yahoogroups.com Subject: [

Re: [biofuel] Re: ethanol distillation

2002-02-08 Thread r . p . kurz
there are turbo yeasts available that will withstand 20%+. with sufficent vacuum you can boil water at room temp. i would question whether the yeast's ability to propagate (and therefore produce ethanol)would be affected by a low vacuum.i think that you are pursuing an interesting avenue of resear

Re: [biofuel] Re: ethanol distillation

2002-02-08 Thread Terry Wilhelm
This is one of the reasons that The Revenoor Co. www.revenoor.com offers all alcohol stills with internal solar/steam coils. Terry --- randallbarron1 <[EMAIL PROTECTED]> wrote: > Okay, so solar stills are available, but do not > produce a very high > ethanol concentration with distillation. What

[biofuel] Re: ethanol distillation

2002-02-08 Thread motie_d
--- In [EMAIL PROTECTED], "kirk" <[EMAIL PROTECTED]> wrote: > I think yeast croak or really slow down at 14% or higher.(14% =28proof) > That is also my understanding. The alcohol starts to kill the Yeast above 10%, and they are nearly all dead by 14%. On the temp side, 140F kills them off. That

RE: [biofuel] Re: ethanol distillation

2002-02-08 Thread kirk
I think yeast croak or really slow down at 14% or higher.(14%=28proof) -Original Message- From: motie_d [mailto:[EMAIL PROTECTED] Sent: Friday, February 08, 2002 1:51 PM To: biofuel@yahoogroups.com Subject: [biofuel] Re: ethanol distillation --- In [EMAIL PROTECTED], [EMAIL PROTECTED

[biofuel] Re: ethanol distillation

2002-02-08 Thread motie_d
--- In [EMAIL PROTECTED], [EMAIL PROTECTED] wrote: > if you make your solar collector strong enought,you > can use vacuum distillation at solar collector > temperatures to distill ethanol. > regards,roger ([EMAIL PROTECTED]) There have been several mentions of vacuum distilation on t

Re: [biofuel] Re: ethanol distillation

2002-02-08 Thread r . p . kurz
if you make your solar collector strong enought,you can use vacuum distillation at solar collector temperatures to distill ethanol. regards,roger ([EMAIL PROTECTED]) > Okay, so solar stills are available, but do not produce a very high > ethanol concentration with distillation. What

[biofuel] Re: ethanol distillation

2002-02-08 Thread randallbarron1
Okay, so solar stills are available, but do not produce a very high ethanol concentration with distillation. What about using solar energy to preheat your solution before it reaches a regular still. If you could preheat with solar power, less energy would need to be input it to the final dis