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Re: StocksGoneWild post# 595

Friday, 04/25/2008 2:11:52 PM

Friday, April 25, 2008 2:11:52 PM

Post# of 100423
Everyone talks about high yielding biomass, but conventional bio-diesel goes through a transesterification process using methanol to remove the glucose and the resulting soy methyl ester. It can also be made with rape seed as it is in Canada and Europe where the attain a much lower pour point and cold filter plug point. The two key issues to control in bio diesel during production/storage is total acid number and the stability since it is bio degradable. Pour point and cold filter plug point are important in operating conditions below 34 degrees faren. when made from Soybeans and some other source. Soy methyl ester has a higher density than #1 -#2 petroleum diesel and can settle out in storage over time unless additives help keep it in suspension. The typical shelf life is 90-180 days depending on who you talk to but may be extended the use of additives to stabilize the fuel. OEM's tell you to never leave in the tank over 90 days.