Hello Ken, Andreas >Andreas writes: > > > > > >regarding my experiments to remove the FFAs > >before conversion: > > > > > >titrate the WVO, add water and the required > >amount of lye (just the amount that is needed to > >convert the FFAs to soap). Then let the soap settle > >down,separate them from the oil (e.g. by filtering) > >and process the remaining oil like virgin oil > > > > >I tried the saponification with WVO and virgin oil > >and the result currently is: There seems to be > >immediately soap production happening (creamy > >color) at room temperature, but - the stuff does > >not separate and filtering does not remove the soap. > > > >Caustic refining on an industrial scale usually involves >a centrifuge to separate the soap. I have found that huge >amounts of hot water can break the emulsion, and Keith >has had good results using small amounts of water and >allowing the soap flocs to settle. In all cases, mixing >of the alkali must be VERY gentle to avoid forming a >permanent emulsion. -K
Very gentle yes. More about that here: Deacidifying WVO http://journeytoforever.org/biodiesel_make2.html#deacid Quite a lot more about it at the Biofuels-bizz archives, search for "High FFA oils - another way" (including quotes) and follow the thread. http://archive.nnytech.net/index.php?view=1310&list=biofuels-biz&related=1 Best Keith ------------------------ Yahoo! Groups Sponsor ---------------------~--> Get A Free Psychic Reading! Your Online Answer To Life's Important Questions. http://us.click.yahoo.com/aM1XQD/od7FAA/uetFAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
