Thank you for the info Jan. As far as I know the excess methanol has already been evaporated as the batch was heated (probably excessively) outside the shop in a barrel over a three burner stove! Glycerin layer has also been removed. I'm thinking this batch did not completely react.Perhaps incorrect titration. Thanks very much for the tip on using weakly acidified water.
Seth ________________________________ From: Jan Warnqvist <[EMAIL PROTECTED]> To: sustainablelorgbiofuel@sustainablelists.org Sent: Thu, February 17, 2011 10:13:13 AM Subject: Re: [Biofuel] Query on breaking emulsions Hello Seth. I think that the emulsion problem is caused by another issue that just the temperature itself. Any BD emulsion will break with the help of weakly acified water, preferably by sulphuric acid. Salty water (NaCl) is also an option. This will work assuming that you can have 20oC and that you have a reasonably good reaction of the BD. Have you evaporated the excess methanol ? With best regards Jan Warnqvist ----- Original Message ----- From: "Seth Macdonald" <[EMAIL PROTECTED]> To: <sustainablelorgbiofuel@sustainablelists.org> Sent: Thursday, February 17, 2011 6:21 PM Subject: [Biofuel] Query on breaking emulsions > Hi all, > > Seth Macdonald here from Northern BC CANADA. I run a very small bio-diesel > refinery with plans to sell/trade with local organic farmers this coming > spring. > This winter has been particularly harsh up here and I am having problems > maintaining constant temperatures in my shop. This has led to a variety of > problems. > > Does anyone out there have any ideas on breaking an emulsion with a large > batch > of fuel that will NOT separate from the wash water? I know, it should > never have > happened in the first place. Cross-contamination due to cooled glycerin in > the > processor lines is likely the culprit. Even though the product DID pass > the wash > test. I have tried heating and cooling, but it is taking a ridiculous > amount of > energy to heat 40 gallons of emulsified fuel and I can't seem to get it > hot > enough to make any difference. > > Any help on this issue will be greatly appreciated. > > Seth "The Dredneck" Macdonald > Robson Valley Bio-fuels > Dunster BC > CANADA > V0J 1J0 > > PH: 250-968-4411 > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: /pipermail/attachments/20110217/b2cc2b97/attachment.html > _______________________________________________ > Biofuel mailing list > Biofuel@sustainablelists.org > http://sustainablelists.org/mailman/listinfo/sustainablelorgbiofuel > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Search the combined Biofuel and Biofuels-biz list archives (70,000 > messages): > http://www.mail-archive.com/biofuel@sustainablelists.org/ _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/sustainablelorgbiofuel Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (70,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/ -------------- next part -------------- An HTML attachment was scrubbed... URL: /pipermail/attachments/20110222/8a4fc30c/attachment.html _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/sustainablelorgbiofuel Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (70,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
