You will pardon a newcomer's dumb questions. What is high-FFA?? (FFA?) Andy
----- Original Message ----- From: Keith Addison <[EMAIL PROTECTED]> To: <biofuel@yahoogroups.com> Cc: <biofuels-biz@yahoogroups.com> Sent: Monday, January 21, 2002 5:23 PM Subject: [biofuel] ethyl esters > Interesting... so use high-FFA oil and wet ethanol? > > ... In this study, in-situ esterification of rice bran oil with > ethanol (96%) was investigated using sulfuric acid. The effect of FFA > content of rice bran oil and ethanol concentration on the yield and > purity of obtained esters was investigated. The results showed that > the ethyl ester content of products changed considerably with the FFA > content of rice bran oil. The ester content of product increase from > 36,6% to 78% with increasing the FFA content of oil from 14.5% to > 81.0, respectively. Similarly, it was also observed that high amount > of the esters products obtained from rice bran oils containing high > FFA. > > In the second part of the study, in-situ esterification experiments > were conducted with 99.1% ethanol and these results were compared > with 96% ethanol. It was seen that the increasing of ethanol > concentration resulted in significant increasement in the yield of > esters from low-acidity bran oils, i.e., the ester yield increased > about 20% when the rice bran oil, having 14% FFA was treated with > 99.1% ethanol. However, bran oils with high FFA contents used in the > esterification reaction 99.1% ethanol did not effect practically the > yield of ester. > > From "Fatty acids ethyl esters from rice bran oil by in-situ > esterification as a biodiesel fuel", Sevil OzgŸl-YŸcel, Selma TŸrkay > > Keith Addison > Journey to Forever > Handmade Projects > Tokyo > http://journeytoforever.org/ > > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > 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/ > > ------------------------ Yahoo! Groups Sponsor ---------------------~--> Get your FREE credit report with a FREE CreditCheck Monitoring Service trial http://us.click.yahoo.com/ACHqaB/bQ8CAA/ySSFAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html 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/
