Process of separating excess water or sludge from recovered crude petroleum oil
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United States of America Patent
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Jul 17, 2001
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N/A
app pub date -
Sep 28, 2000
filing date -
Oct 3, 1995
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Expired
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Abstract
A method for separating excess water, sludge, or both, from recovered crude petroleum oil. The method comprises adding to crude petroleum oil a composition comprising about 40 to 99 wt % of a fatty acid alkyl ester blend and about 1 to 25 wt % of at least one lower alkyl glycol ether, and then agitating the mixture.
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