Method of separating oily materials from wash water
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United States of America Patent
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Oct 17, 1995
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app pub date -
Sep 28, 1993
filing date -
Aug 30, 1991
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Abstract
A method of separating oleophilic-hydrophobic material from wash water is disclosed. The method includes the steps of mixing with the wash water, about 30-2100 ppm of a surfactant having the formula: ##STR1## where n is 6-20; and about 1-200 ppm of an enzyme chosen from among proteases, amylases, lipases, cellulases, pectinases and mixtures thereof. The mixture of wash water surfactant and/or enzyme is then permitted to stand for a time sufficient for the oleophilic-hydrophobic material to separate.
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