PRETREATMENT OF BIOLOGICAL FEEDSTOCKS FOR HYDROCONVERSION IN FIXED-BED REACTORS
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United States of America Patent
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Issued Date -
Mar 4, 2010
app pub date -
Aug 29, 2008
filing date -
Aug 29, 2008
priority date (Note) -
Abandoned
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Abstract
A process for pretreating biological feedstocks for hydroconversion in a fixed-bed reactor. A feed stream having free fatty acids, fatty acid esters, or combinations thereof is contacted with a citric acid solution. The biological feedstock is separated from the aqueous solution to efficiently produce a pretreated biological feedstock substantially absent of metals and phosphorus.
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