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Treatment method of waste oil or waste edible oil



Treatment method of waste oil or waste edible oil



Official Gazette of the United States Patent & Trademark Office Patents 1264(2), Nov 12



Glycerin is effectively produced from a waste oil by a method comprising adding a strongly alkaline reducing water obtained by electrolyzing water containing sodium chloride to a waste oil selected from the group consisting of a waste edible oil, a fossil fuel waste oil and a mixture thereof, and extracting natural glycerin or synthetic glycerin by chemical reaction. Further, reusable edible oil is produced from a waste edible oil by a method comprising electrolyzing an aqueous solution having an electrolyte in an electrolytic cell, mixing a strongly alkaline reducing water generated at a cathode side of the electrolytic cell with a waste edible oil under ordinary temperature condition, and conducting oil/water separation, thereby purifying the waste edible oil to an extent such that it can be edible.

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Accession: 035980287

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