Methods for removing particulate solids and water from petroleum crudes
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United States of America Patent
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-
Sep 3, 1985
Issued Date -
N/A
app pub date -
Nov 17, 1983
filing date -
Jul 13, 1982
priority date (Note) -
Expired
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Abstract
Removal of particulate solids and water from petroleum crudes to bring the BS&W content of the crude within pipeline specifications is accomplished with the aid of a demulsifier comprising an anionic surfactant soluble in oil, a nonionic surfactant insoluble in water and dispersible in oil, and a cationic surfactant soluble in water, the anionic surfactant being in a major proportion, the nonionic and cationic surfactant being in lesser proportions.
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