No, if you are working with 100% free fatty acids, you will have to do the ACID esterification twice with water content evapoation inbetween
With best regards AGERATEC AB Jan Warnqvist. ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <biofuel@sustainablelists.org> Sent: Tuesday, January 23, 2007 9:22 AM Subject: Re: [Biofuel] Crude fatty acid distillate > Thanks Jan, > > So you are saying that Aleks Kac's two stage process is the way to go on > this one? Start with the acid-based stage and finish with the base-based > stage. That's doing it twice right? > > Am doing small batches on the single stage base process (about 100 liters > veg. oil). Will blending this with new veg. oil make a difference? > > Been reading the Foolproof Method over and over again to familiarize > myself. > Looks like it. > > Much thanks again. > > Ken > > ----- Original Message ----- > From: "Jan Warnqvist" <[EMAIL PROTECTED]> > To: <biofuel@sustainablelists.org> > Sent: Tuesday, January 23, 2007 3:35 PM > Subject: Re: [Biofuel] Crude fatty acid distillate > > >> Hello Ken, >> fatty acids are possible to esterify with an acid catalyst. The formed > water >> has to be drawn off, so it is always nice to start with a low water > content. >> Performed correctly, the esterification will produce 90-95% esters. > Usually >> these kinds of reactions are performed twice for a good conversion grade. >> >> With best regards >> AGERATEC AB >> Jan Warnqvist >> ----- Original Message ----- >> From: <[EMAIL PROTECTED]> >> To: <biofuel@sustainablelists.org> >> Sent: Tuesday, January 23, 2007 8:18 AM >> Subject: Re: [Biofuel] Crude fatty acid distillate >> >> >> > Hi everyone, >> > >> > I sent this out a few days ago. I was told by someone in the oil mill >> > that >> > crude fatty acid distillate is just a fancy name for their seconds or >> > reject >> > oils, which soap factories take from them and make into soap. Anyone > has >> > any experience with this kind of stock being made into biodiesel? Will >> > such >> > a high FFA content give problems? >> > >> > Thanks. >> > >> > Ken >> > >> > >> > ----- Original Message ----- >> > From: <[EMAIL PROTECTED]> >> > To: <Biofuel@sustainablelists.org> >> > Sent: Thursday, January 18, 2007 10:15 AM >> > Subject: [Biofuel] Crude fatty acid distillate >> > >> > >> >> Hi everyone, >> >> >> >> An oil mill has just told me that they have excess of crude fatty acid >> >> distillate which they can give me with the following specifications : >> >> >> >> Free Fatty Acid (As Lauric) - 71.8% >> >> Iodine Value mg I/g - 10 >> >> Total Fatty Matter - 96% >> >> Moisture & Impurities - 0.5% >> >> Saponifiable Value mg KOH/g - 260 >> >> Unsaponifiable Matter - 0.32% >> >> >> >> I am now doing some small production for my own use with a blend of >> >> WVO >> > and >> >> new oil on the single stage process. I've read up on the two stage >> > process >> >> and it looks like the above will take a two stage process with 71.8% > FFA. >> >> Am I right? Anyone out there with some thoughts on the matter? Its > free >> >> stuff for me although its only about 200liters monthly. Would it be >> > better >> >> to blend it or process it separately? >> >> >> >> Thanks >> >> >> >> Ken >> >> >> >> >> >> _______________________________________________ >> >> Biofuel mailing list >> >> Biofuel@sustainablelists.org >> >> > http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org >> >> >> >> Biofuel at Journey to Forever: >> >> http://journeytoforever.org/biofuel.html >> >> >> >> Search the combined Biofuel and Biofuels-biz list archives (50,000 >> > messages): >> >> http://www.mail-archive.com/biofuel@sustainablelists.org/ >> > >> > >> > _______________________________________________ >> > Biofuel mailing list >> > Biofuel@sustainablelists.org >> > > http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org >> > >> > Biofuel at Journey to Forever: >> > http://journeytoforever.org/biofuel.html >> > >> > Search the combined Biofuel and Biofuels-biz list archives (50,000 >> > messages): >> > http://www.mail-archive.com/biofuel@sustainablelists.org/ >> > >> > >> > >> >> >> _______________________________________________ >> Biofuel mailing list >> Biofuel@sustainablelists.org >> http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org >> >> Biofuel at Journey to Forever: >> http://journeytoforever.org/biofuel.html >> >> Search the combined Biofuel and Biofuels-biz list archives (50,000 > messages): >> http://www.mail-archive.com/biofuel@sustainablelists.org/ > > > _______________________________________________ > Biofuel mailing list > Biofuel@sustainablelists.org > http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Search the combined Biofuel and Biofuels-biz list archives (50,000 > messages): > http://www.mail-archive.com/biofuel@sustainablelists.org/ > > > _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
