Hello Seth. Using heat exchangers is most of the time a good idea. Just keep in mind that they internally have to be acid resistant , at least down to pH 4, which corresponds to the acid constant of the free fatty acids, which you in any case will have. You are welcome and good luck.
Jan W ----- Original Message ----- From: "Seth Macdonald" <[EMAIL PROTECTED]> To: <sustainablelorgbiofuel@sustainablelists.org> Sent: Monday, March 07, 2011 2:08 AM Subject: Re: [Biofuel] Query on breaking emulsions > Thanks Jan. > > I have opted NOT to use it in the hydronic system and decided instead to > build a > heat exchanger into the next phase of the processor instead. Thank you for > the > info. > > Seth > > > > > > ________________________________ > From: Jan Warnqvist <[EMAIL PROTECTED]> > To: sustainablelorgbiofuel@sustainablelists.org > Sent: Sun, February 27, 2011 1:32:19 PM > Subject: Re: [Biofuel] Query on breaking emulsions > > Hello Seth. Biodiesel is usually processed at as low temperature as > possible, 60oC is almost ideal. Any temperature above that is threateing. > The hotter the faster the crack. > ----- Original Message ----- > From: "Seth Macdonald" <[EMAIL PROTECTED]> > To: <sustainablelorgbiofuel@sustainablelists.org> > Sent: Sunday, February 27, 2011 10:08 PM > Subject: Re: [Biofuel] Query on breaking emulsions > > > At what temp does Bio-Diesel start to crack? Perhaps it is not a great > idea > to > use it in a hydronic system. If the Bio-diesel is only circulated for 24 > hrs > before being replaced by the next batch, am I still in danger of losing > quality? > > Dredneck > > > > > ________________________________ > From: Jan Warnqvist <[EMAIL PROTECTED]> > To: sustainablelorgbiofuel@sustainablelists.org > Sent: Tue, February 22, 2011 11:27:24 AM > Subject: Re: [Biofuel] Query on breaking emulsions > > Biodiesel is not as chemically stable as gas oil, or water for heating > purposes. High temperatures may cause the biodiesel to crack and form > solids, so filtering is necessary to keep the circulation running. And the > biodiesel will in each case loose quality in connection to heating. The > higher degree of unsaturation, the greater the quality loss.But the > process > can be buffered by the use of anti-oxidants, preferably the BHT based. > ----- Original Message ----- > From: "Seth Macdonald" <[EMAIL PROTECTED]> > To: <sustainablelorgbiofuel@sustainablelists.org> > Sent: Tuesday, February 22, 2011 8:16 PM > Subject: Re: [Biofuel] Query on breaking emulsions > > >> Thanks for the tips Keith. >> >> the "Journey to Forever" website has revolutionized my family's life! >> Everything >> I have learned thus far about Bio-Diesel has been learned from going to >> your >> site and hands on experience. I've got a long way to go, but my community >> is now >> addicted to the concept of running on renewable energies! >> >> >> Thanks to all who have worked to research and develop the future of >> energy >> in >> our society. I'll send some photos etc. of my facility when it is >> finished. >> >> Another concept I am about to explore is using the biodiesel in my >> hydronic >> heating system thereby drying it while heating the floor of my shop.I >> installed >> an infloor pex pipe system in a concrete slab in the fall and I'm about >> to >> hook >> it up as the final stage in the processor. Once the fuel has circulated >> through >> the floor and had ample time to return to the reservoir and dry, it would >> be >> siphoned off as fuel, making room for the next batch that needs to be >> dried to >> take it's place. Only washed bio-diesel would be used for this. Are there >> any >> problems inherent with heating bio-diesel to 140 degrees? >> >> Seth "Dredneck" Macdonald >> >> Dunster BC >> CANADA >> >> >> >> >> >> ________________________________ >> From: Keith Addison <[EMAIL PROTECTED]> >> To: biofuel@sustainablelists.org >> Sent: Thu, February 17, 2011 10:11:09 PM >> Subject: Re: [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. >> >> You might consider this: >> >> http://journeytoforever.org/RSwoh1.html >> >>>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. >> >> That's right - emulsions shouldn't happen. >> >>>Cross-contamination due to cooled glycerin in the >>>processor lines is likely the culprit. Even though the product DID >>>pass the wash >>>test. >> >> And the methanol 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. >> >> http://journeytoforever.org/biodiesel_bubblewash.html#emulsion >> >> Best >> >> Keith >> >> >>>Seth "The Dredneck" Macdonald >>>Robson Valley Bio-fuels >>>Dunster BC >>>CANADA >>>V0J 1J0 >>> >>>PH: 250-968-4411 >> >> >> _______________________________________________ >> 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/c2b2c20e/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/20110227/7b99466a/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/20110306/27e84902/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/
