Hello Jim, since the methanol solubility test worked out well, you probably have created some soap from the methyl esters. With best regards Jan Jan Warnqvist AGERATEC AB
[EMAIL PROTECTED] + 46 554 201 89 +46 70 499 38 45 ----- Original Message ----- From: "JJJN" <[EMAIL PROTECTED]> To: "BIO" <Biofuel@sustainablelists.org> Sent: Monday, January 02, 2006 7:32 PM Subject: [Biofuel] Biodiesel Testing excessive methanol > I just tested a 60 Liter batch and have a few questions; below is what I > have done with the results and further below are my questions, > > The biodiesel used in the tests below was unwashed - glycerin layer > removed. > > 1.) Using the test method noted on JtF ( Jan Warnqvist - Methanol test) > as prescribed 225 ml Methanol combined with 25 ml of the biodiesel. > Results: Biodiesel was fully soluble and formed a clear bright phase no > contaminants or other phases noted. Results after 24 hours - No change. > > 2) Using a MODIFIED JtF method, (combining 4.90875 grams lab grade KOH > and 100 ml Methanol (Potassium Methoxil) with 1 Liter of the biodiesel) > - INSTEAD I added 400ml methanol and 4.90875 grams KOH ( Potassium > Methoxil ) (both lab grade near absolute) to 1 Liter of the Biodiesel. I > then heated to 120 deg F and mixed for one hour. > Results: after 24 hours there was a nice amber layer from the bottom of > the glass jar up to the last say 1/2 inch where a very very slightly > amber layer resided to the top. there was nothing at the bottom at all. > > 3) Wash test JtF, In a glass jar I shook 1/2 Bio and 1/2 water at room > temp till mixed into one phase. > Results: within 1 minute the water and Bio separated and the water was > quite white. Wash #2 same time of separation water clearer this time. > Wash # 3 same as #2. Wash # 4 water was not drinking quality but PH is > close to seven. > > O.K why did I increase the Methanol in test #2) above? I am not sure > except to see what it would do, but from what I read it would not harm > so I did. > > My Question: Can anyone tell me what the strange clear amber layer on > top of the other clear amber layer may be? > > Could this be the FFA content per L? > > Thanks in advance, > > Jim > > _______________________________________________ > 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/
