Method for removing impurities from an impurity-containing fluid stream

Ginosar, Daniel M.; Fox, Robert V.

Method for removing impurities from an impurity-containing fluid stream

Patent · Tue Apr 06 00:00:00 EDT 2010

OSTI ID:1176209

Ginosar, Daniel M.; Fox, Robert V.

A method of removing at least one polar component from a fluid stream. The method comprises providing a fluid stream comprising at least one nonpolar component and at least one polar component. The fluid stream is contacted with a supercritical solvent to remove the at least one polar component. The at least one nonpolar component may be a fat or oil and the at least one polar component may be water, dirt, detergents, or mixtures thereof. The supercritical solvent may decrease solubility of the at least one polar component in the fluid stream. The supercritical solvent may function as a solvent or as a gas antisolvent. The supercritical solvent may dissolve the nonpolar components of the fluid stream, such as fats or oils, while the polar components may be substantially insoluble. Alternatively, the supercritical solvent may be used to increase the nonpolarity of the fluid stream.

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Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC07-05ID14517

Assignee:: Battelle Energy Alliance, LLC (Idaho Falls, ID)

Patent Number(s):: 7,691,270

Application Number:: 11/181,211

OSTI ID:: 1176209

Country of Publication:: United States

Language:: English

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