Solvent extraction process employing comminuting and dispersing surfactants
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United States of America Patent
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Oct 13, 1992
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N/A
app pub date -
Oct 2, 1990
filing date -
Dec 22, 1988
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Abstract
The present invention is directed to a process for treating an oily substrate, including a mixture comprising water and oily material or a mixture comprising water, solids and oily material as components, and wherein such treatment comprises contacting the oily substrate with a solvent for the oily material, and wherein the solvent for the oily material ranges in solubility in water from sparingly soluble to substantially water insoluble, in the presence of an added comminuting and dispersing surfactant, to produce by such contacting at least one phase differentiating interface, and to thereby render one or more of the components of the oily substrate separable.
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