Luke,
The solid white layer is probably animal fat ... bacon grease?
As long as the petro diesel was winterized, my 70% BD : 30% petro
didn't gel even at temps of -10F (-23C). A friend of mine has an outside
storage tank and will go 50 : 50 BD to dino diesel.
I think you can use BD in any burner. You may have to make some minor
adjustments. I have a Beckett AF oil burner and a Burnham boiler. At a 50 :
50 mix I started to have some startup problems and had to increase pump
pressure from 100 to 125 psi. I also switched from a 1.0 gph/80 degree
nozzle to 0.75gph/80. I decreased air flow and installed a Webster Bio Pump
with viton seals (compatible w BD). It now runs on 100% biodiesel.
Tom
----- Original Message -----
From: "WM LUKE MATHISEN" <[EMAIL PROTECTED]>
To: <biofuel@sustainablelists.org>
Sent: Saturday, July 22, 2006 12:01 PM
Subject: Re: [Biofuel] WVO
> Tom,
>
> I have a tank less hot water heater that I can easily adjust the temp from
> 100 to 176 F, I put the oil in a pete bottle, filled the sink with 176f
> water and set the bottle in it. I checked it after a few minutes and it
> was
> in the process of turning translucent. The next morning it had stratified
> as I indicated. I neglected to tell you that the white layer seem almost
> solid. When I tipped the bottle it wanted to stay in place. Later today
> I
> will pour it into a pan and see if I get any snap-crackle-pop, indicating
> that Andres is correct.
>
> I am using BD for a backup generator for my solar system. It can get very
> cold (sub zero) and my generator is in a shed attached to the house. Due
> to
> ventilation requirements it gets almost as cold in the shed.
>
> Now that I am 100% clean on the electrical side, I would love to reduce my
> propane use. I use propane for heat, and hot water. What kind of furnace
> are you using to burn BD? I am looking for some kind of free standing
> stove
> to heat our basement (which in turn will heat the house, I have in-floor
> propane heated hydronics in the basement floor, which I designed to then
> heat the whole house). We were planning to put in a wood stove, but after
> I
> started the BD project I am leaning hard toward an oil stove.
>
> Love to hear how bacon and egg exhaust goes.
>
> And lastly....
> YOU BUSTED ME!
> (I don't titrate)
>
> I spent more than a week trying titration, and ended in total frustration.
> I could never get it to work. So using poor man titration, and lots of
> trial and error with the blender, I use the two stage process with
> beautiful
> results (passes the quality tests with flying colors). My formula is 10g
> KOH/1 liter Methanol. 25% Methoxide. 75% first stage - 25% second. 3
> vigorous washes and its done!
>
> :-)
> Luke
>
>
>>From: "Thomas Kelly" <[EMAIL PROTECTED]>
>>Reply-To: biofuel@sustainablelists.org
>>To: <biofuel@sustainablelists.org>
>>Subject: Re: [Biofuel] WVO
>>Date: Fri, 21 Jul 2006 21:33:35 -0400
>>
>>Luke,
>> "So chicken fat it is." Maybe.
>>
>> Did you use bottom heat? as in a pot on the stove?
>>If so, did it crackle a bit? Any water on the bottom?
>> If you used a submersible heater, did bubbles form around the
>> heating
>>element?
>>
>> The white stuff , "about 5%", might be water.
>>
>> I use 100% BD in my car until night temps get down around freezing
>>(32F
>>/~2C). I then go to a 70% BD : 30% winterized petro diesel blend. 32F is a
>>good deal below the cloud point of my BD. (You can check your BD by
>>putting
>>it in the fridge, check occassionally, read temp when it starts to cloud.)
>>I
>>drive an '82 Mercedes 300SD. I think it would pump jello.
>> Last year I "winterized" my BD as described at JTF.
>>This year I have separated WVO with the lowest cloud point from WVO that
>>clouds at high temps. When the temps go down, the stuff that clouds easily
>>becomes heating fuel for my house ... tank in basement, the other stuff
>>becomes BD for my car ... outside in the cold.
>> I actually like BD made from the WVO w. chicken fat. The car exhaust
>>smells more like a barbeque than like french fries. My next 20 gal (76L)
>>batch will have about 5 gal of bacon grease .... solid, had to melt it.
>>It'll go in the car. I sometimes go fishing w a friend early in the
>>morning.
>>He has requested bacon and egg exhaust. Maybe this next batch will fit the
>>bill.
>> Good luck w the WVO
>> By the way, what do you get for a titration on it?
>>
>> Tom
>>----- Original Message -----
>>From: "WM LUKE MATHISEN" <[EMAIL PROTECTED]>
>>To: <biofuel@sustainablelists.org>
>>Sent: Friday, July 21, 2006 5:43 PM
>>Subject: Re: [Biofuel] WVO
>>
>>
>> > Tom,
>> >
>> > I heated to 170f as you suggested. It became transluent and then
>> > congelled
>> > again, this time in three layers, a bottom layer (about 5%) that looks
>> > like
>> > black solids, then a layer of something white (also about 5%) and the
>>rest
>> > brown goo. But it looks like no water. So chicken fat it is. Any
>>point
>> > in
>> > processing it seperately? Except to save the good stuff for winter use?
>> > At
>> > what outside temp do I need to be conserned about BD 100 gelling?
>> >
>> > Oh, and any idea what the white layer is?
>> >
>> > Thanks for your help.
>> > :-)
>> > Luke
>> >
>> >
>> >>From: "Thomas Kelly" <[EMAIL PROTECTED]>
>> >>Reply-To: biofuel@sustainablelists.org
>> >>To: <biofuel@sustainablelists.org>
>> >>Subject: Re: [Biofuel] WVO
>> >>Date: Thu, 20 Jul 2006 16:50:56 -0400
>> >>
>> >>Luke,
>> >> If your WVO was used to cook meat such as chicken, you will have
>> >> some
>> >>animal fat which may be causing the middle layer. It will still make
>> >>excellent warm weather fuel.
>> >>
>> >> Of course, it might be water.
>> >>
>> >> Heat a small sample to get the water to drop out. Take some of the
>> >>dried
>> >>WVO and let it cool. If it remains clear, you had water. If it clouds
>>upon
>> >>cooling it probably contains animal fat.
>> >> Tom
>> >>----- Original Message -----
>> >>From: "WM LUKE MATHISEN" <[EMAIL PROTECTED]>
>> >>To: <biofuel@sustainablelists.org>
>> >>Sent: Thursday, July 20, 2006 7:56 AM
>> >>Subject: [Biofuel] WVO
>> >>
>> >>
>> >> > The waste veg oil (wvo)I collect has three different layers after it
>> >> > settles. A clear (translucent) layer on top and a brown
>> >> > non-translucent
>> >> > layer - that doesn't want to filter - in the middle and then black
>> >>solids
>> >> > on
>> >> > the bottom. My question is the middle brown layer. It seems - and
>> >> > I
>> >> > havent
>> >> > run enough batches to be sure - that the middle layer has water in
>>it.
>> >>Is
>> >> > it worth the energy - propane - to process it when you have to boil
>>off
>> >> > the
>> >> > water?
>> >> >
>> >> > :-)
>> >> > Luke
>> >> >
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