Re: [Biofuel] Sweet catalyst & continuous processes

2006-05-04 Thread Leif Forer
Some students at Wake Forest University in North Carolina used a sugar based catalyst as a pretreat step before base transesterification. Here are their blog posts on the results of the experiment. (http://wfubiofuels.blogspot.com/) Tuesday, November 29, 2005 Sugar Catalyzed Reaction Recen

Re: [Biofuel] Automated processor components

2005-03-03 Thread Leif Forer
What kind of sensor could i use for detecting when the processor is full of wvo. It is most common to use a load cell under your reactor vessel to measure mass. You could also try an optical sensor that looked at the level you wanted to fill your tank. You could also use a float switch (

Re: [Biofuel] Condensers

2005-08-09 Thread Leif Forer
Matt~ You might consider an ethanol distiller. Some nice ones are for sale at: http://www.brewhaus.com/Distillers-and-Parts.asp ~leif On Aug 8, 2005, at 7:55 PM, <[EMAIL PROTECTED]> wrote: Dear All- Does anyone out there have a creative off the shelf idea for a total condenser (methan

Was Re: [Biofuel] Changing Government/Now ethanol

2004-10-15 Thread Leif Forer
diesel fuel?. Unisol. Tks, F. ~Leif --- Leif Forer Piedmont Biofuels www.biofuels.coop (919) 542-2900 ___ Biofuel mailing list [EMAIL PROTECTED] http://wwia.org/mailman/listinfo.cgi/biofuel Biofuel at Journey to Forever

Re: [Biofuel] market for crude glycerol

2004-11-24 Thread Leif Forer
/sgroup/biofuel/ --- Leif Forer Piedmont Biofuels www.biofuels.coop (919) 542-2900 ___ Biofuel mailing list [EMAIL PROTECTED] http://wwia.org/mailman/listinfo.cgi/biofuel Biofuel at Journey to Forever: http://journeytoforever.o

Re: [Biofuel] Pre heating with Solar heating ?

2004-12-03 Thread Leif Forer
th heating the tank off of the same small array. ~leif --- Leif Forer Piedmont Biofuels www.biofuels.coop (919) 542-2900 On Dec 3, 2004, at 4:27 AM, alex burton wrote: Hello Has anyone used solar pre heating to raise the temp of the oil in any way ? (I may be w

[Biofuel] vacuum pump

2004-12-08 Thread Leif Forer
I have a 150 gallon conical bottom stainless tank that can hold pressure and vacuum. My idea is to use it for dehydrating my oil and biodiesel. I also want to use it to reclaim methanol from the glycerol and biodiesel. I know people who have flashed off water and methanol from oil or biodi

Re: [Biofuel] Super Critical Reactor

2004-12-14 Thread Leif Forer
I do not know of any commercial biodiesel production via supercritical methanol. From what I understand, you need a bath of molten metal just to get started . . . ~leif On Dec 13, 2004, at 6:36 PM, Roland wrote: I recently came across a number of papers on a super critical methanol metho

[Biofuel] vacuum dehydration & methanol recovery

2004-12-14 Thread Leif Forer
am building a reactor out of a 150 gallon vessel and want to use vacuum to dry incoming waste oil, dry washed biodiesel, and recover methanol from glycerin and biodiesel. I am trying to figure out what vacuum pump I need (at least the ball park specifications) and find an affordable source.

Re: [Biofuel] vacuum dehydration & methanol recovery

2004-12-15 Thread Leif Forer
there's not enough info on his site to answer my questions. I'm still hoping someone on this list will bite . . . ~leif On Dec 14, 2004, at 8:04 PM, Legal Eagle wrote: G'day Leif; - Original Message ----- From: "Leif Forer" <[EMAIL PROTECTED]> To: &l

Re: [Biofuel] vacuum dehydration & methanol recovery

2004-12-15 Thread Leif Forer
nks for the response Luc. I am familiar with Dale's reactor but there's not enough info on his site to answer my questions. I'm still hoping someone on this list will bite . . . ~leif On Dec 14, 2004, at 8:04 PM, Legal Eagle wrote: G'day Leif;. - Original Messa

Re: [Biofuel] vacuum dehydration & methanol recovery

2004-12-19 Thread Leif Forer
Conclusions: + Need about 25" Hg vacuum + Need about 50 CFM + Need oil-less pump (methanol vapor washes oil from pump causing failure) + Higher temperature is better + More air/mixing is better + Need liquid trap (mercury filled?) Nick: + I was looking for a vacuum pump myself until I realis

[biofuel] testing for glycerol using borax

2004-02-27 Thread leif forer
Hi All (Keith, Alecs, Mike)~ I was searching through the archives and ran across a message (#4005) that proposed a bucket test for glycerol content of home brew biodiesel using borax. Has anyone experimented with this yet or come up with a better backyard test? From Michael Aereboe's origina

[biofuel] first batch of ethyl ester

2004-03-07 Thread leif forer
I an acquaintance of mine is making ethyl esters in Congo and failed on his first attempt. I think he just used too much NaOH. He has some very good questions that I thought I'd post here for comments. Enjoy . . . Questions: 1. We produced soap rather than bio-diesel. Question is why? - becau

[biofuel] FFA vs. ester

2004-03-15 Thread Leif Forer
Dear Group~ I feel like I'm missing a critical piece of information regarding FFA and transesterification. Ideal vegetable oil is triglycerides. Due to factors (like water contamination, exposure to excessive heat, or long storage times) the triglycerides can break into mono and di-glyceride

[biofuel] Re: FFA vs. ester

2004-03-16 Thread Leif Forer
Ken, Keith, and Mark~ Thanks for the good information. Ken, I hope you're feeling better! Below is the condensed version of what you taught me: triglyceride = vegetable oil, three fatty acid tails bonded to one glycerol diglyceride = two fatty acid tails bonded to one glycerol monoglyceride =

[Biofuel] MSDS for 80% glycerol

2005-09-09 Thread Leif Forer
Does anyone have an MSDS for the roughly 80% pure glycerol we homebrewers produce when making biodiesel that you'd be willing to share? ~leif ___ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/biofuel_s

Re: [Biofuel] Polymers for biofuel

2005-11-21 Thread Leif Forer
&location_id=3168 ~leif --- Leif Forer Piedmont Biofuels www.biofuels.coop (919) 321-8260 On Nov 21, 2005, at 4:37 AM, Sam Critchley wrote:Hi Youssef,Indeed, as Ken said, Viton should fit the bill. Biodiesel will gradually  perish rubber seals in older engines, but if you