Tom, two questions, 1. how do you know the ethanol is being dried? and 2. what procedure are you using for bioD from ethanol? Tom Irwin wrote: > Hi Bob and all, > > I seem to be having fairly good success drying 95% ethanol with 3A > molecular sieve. I still have horrible problems making BioD with 100% > ethanol (purchased)but I´m still working on it. > > Tom Irwin > > ------------------------------------------------------------------------ > *From:* bob allen [mailto:[EMAIL PROTECTED] > *To:* Biofuel@sustainablelists.org > *Sent:* Thu, 15 Sep 2005 18:23:08 -0300 > *Subject:* Re: [Biofuel] ethanol method > > It is not easy, due to the fact that ethoxide, can't be made by the > combination of sodium or potassium hydroxide and ethanol, as one does > with base plus methanol to form methoxide. It can be done however via > alternative ways of making the ethoxide: > > K + EtOH ---> K(+) (-)OEt + 1/2 H2 > > KH + EtOH ---> K(+) (-)OEt + H2 > > (don't try this at home- wildly flammable materials involved) > > > or for someone with good laboratory skills: > > combine EtOH (absolute) + KOH, then distill off 95% Ethanol/5% water > azeotrope to remove water, shifting the equilibrium to form the > ethoxide > ion. > > > The problem is that you remove a lot of ethanol to get a small amt of > water out. (there are ways to recover absolute ethanol via a ternary > azeotrope, but I seriously doubt if it is either cost or energy > effective. > > > > Kuba-tlen wrote: > > Does anybody know how to do a biofuel usin ethanol? I mean 92% > ethanol, > > not dry ethanol. I've read that it is possible. O maybe somebody > knows > > how to easily dry ethanol? > > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > Biofuel mailing list > > Biofuel@sustainablelists.org > <javascript:kh6k0("new","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/ > > > > > -- > Bob Allen > http://ozarker.org/bob > > "Science is what we have learned about how to keep > from fooling ourselves" — Richard Feynman > > _______________________________________________ > Biofuel mailing list > Biofuel@sustainablelists.org > <javascript:kh6k0("new","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/ > > > > ------------------------------------------------------------------------ > > Internal Virus Database is out-of-date. > Checked by AVG Anti-Virus. > Version: 7.0.323 / Virus Database: 267.10.19/92 - Release Date: 9/7/2005
-- Bob Allen http://ozarker.org/bob "Science is what we have learned about how to keep from fooling ourselves" - Richard Feynman _______________________________________________ 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/
