Hello. You are doing the right thing. But, remember that a high FFA content usually is managed with NaOH or KOH in excess or by a pre-staged acid transesterification. Water is not. Best regards Jan Warnqvist AGERATEC AB
[EMAIL PROTECTED] + 46 554 201 89 +46 70 499 38 45 ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, March 06, 2005 4:20 PM Subject: Re: [Biofuel] A problem with WVO > Quoting Jan Warnqvist <[EMAIL PROTECTED]>: > > > Hello. > > I think that both the FFA content and water content are too high in that > > oil. The water content is the worst enemy for a good trans-etherification. > > Try this : > > Put the oil in a vessel at 70oC for 24 hrs. The water may form a separate > > phase at the bottom of the vessel. > > Check the water content. ExxonMobile sells a nice kit called Mobil water > > test. The active chemical compound in this is calciumdihydride. It is a > > reliable method. Do not try to transesterify again until the water content > > is around 0,5%. > > And- watch out for any remaining detergents in the oil ! > > Jan Warnqvist > > AGERATEC AB > > > > [EMAIL PROTECTED] > > Hi Jan, > > I think my main problem is too much free fat in the oil. If I add 20-25% of it > to my other soy oil that is little used for only two days at a street fair, > then it converts really well, as the overall free fat content of the blended > batch is low enough to work with just a one step lye/meth conversion. SO, I am > going to move to a two step acid/meth-lye program with it. Watr saeems not to > be a big issur here in the desert, but since you guys warned me, I'll sure > check for it!! > > Thanks again SO MUCH and let's keep working to save our country from those > that run it!! > > kitch in Az. > > ------------------------------------------------- > FastQ Communications > Providing Innovative Internet Solutions Since 1993 > > _______________________________________________ > Biofuel mailing list > [EMAIL PROTECTED] > http://wwia.org/mailman/listinfo.cgi/biofuel > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Biofuel archives at Infoarchive.net (searchable): > http://infoarchive.net/sgroup/biofuel/ > _______________________________________________ Biofuel mailing list [EMAIL PROTECTED] http://wwia.org/mailman/listinfo.cgi/biofuel Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuel archives at Infoarchive.net (searchable): http://infoarchive.net/sgroup/biofuel/
