Methods and systems for processing crude oil using cross-flow filtration
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United States of America
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Jan 27, 2015
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app pub date -
Apr 30, 2013
filing date -
Apr 30, 2013
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Abstract
Methods and systems for processing crude oil comprise adding water to the crude oil to produce an emulsion comprising brine and oil and solids; separating oil from brine including producing brine comprising a rag layer; separating the rag layer into a hydrocarbon emulsion having finer solids and brine comprising larger solids; and passing the hydrocarbon emulsion along a cross-flow filter to produce a retentate comprising brine and solids and a permeate comprising hydrocarbon.
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