Hi Tom, Awhile back I made some that was much darker too, it washed fine and everything but I didn't trust it. I followed JtF test for excess glycerin by re treating a liter like virgin oil. It had 0 glycerin fall out and I have confidence that it is good Bio. Just has Dark straw color.
Luck Jim Thomas Kelly wrote: > Hello To All, > I get very dark WVO from a Chinese restaurant. I tested a sample > and found virtually no water. It titrated at 1.3g/L. Usually my WVO > gets mixed together, but I ran a 20gal. batch using only this oil. It > washed (stir-washed) very easily. The finished BD was clear down to > below 40F, but was very dark. I reprocessed a .5L sample ----> NO > glycerine dropped out. A 25ml. sample dissolved completely in 225ml > methanol. It appeared to be very high quality BD. I've been running it > in my car and I responded to a question by Danislov K. regarding dark > BD. I told him that if it passed these quality tests it should be OK > to use. > BUT: In going back over the Quality Tests described at JtF ..... > # Alex Kac wrote: Deeper color biodiesel has a lot of glycerine in it > in the form of various glycerids. Not good for standard engines. > Remedy: If the diesel is too dark and you are sure that you used the > correct quantitie(s) of catalyst(s), add a pinch more alcohol -- you > could be losing it due to evaporation." > > - Did I give Danislov the wrong advice??? > - If glycerine "in the form of various glycerids" was present in > the finished BD wouldn't it show up upon reprocessing? > - Is it possible to have high quality BD that is very dark in color? > Tom > > > > > >------------------------------------------------------------------------ > >_______________________________________________ >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/