Control and online real time monitoring of purity for fatty acid alkyl ester refinery
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United States of America Patent
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Issued Date -
Sep 17, 2009
app pub date -
Mar 11, 2008
filing date -
Mar 11, 2008
priority date (Note) -
Abandoned
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Abstract
The production of fatty acid alkyl esters in a refinery setting is broken into three sections which comprise of: the preprocessing high FFA feedstocks; the transesterification of feedstock into fatty acid alkyl esters and; the purification of the fatty acid alkyl esters. Within each of these sections of the refinery, a system of controls and an on-line, real time series of tests utilizing pH, conductivity, viscosity, near infra red spectroscopy, gas chromatography water content and flash point are utilized to tell a process controller when the product is acceptable to move to the next stage of processing.
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