Process for non-catalytically producing biodiesel fuel without yielding by-product
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United States of America Patent
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Issued Date -
Dec 28, 2006
app pub date -
Aug 10, 2004
filing date -
Aug 18, 2003
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Abandoned
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Abstract
This invention provides a process for producing biodiesel fuel from vegetable or animal oils and fats or wastes thereof and methanol that does not use a catalyst and does not generate glycerin as a by-product. In this process, vegetable or animal oils and fats or wastes thereof are mixed with methanol, and a methanolysis reaction is carried out at a reaction temperature of between 370.degree. C. and 500.degree. C., a reaction pressure of between 20 MPa and 60 MPa, and a reaction period of between 4 minutes and 12 minutes without the use of a catalyst. This invention also provides biodiesel fuel that is mainly composed of fatty acid methyl esters, monoacylglycerol, and diacylglycerol.
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