METHOD FOR PURIFICATION OF WASTE VEGETABLE OIL Russian patent published in 1995 - IPC

Abstract RU 2039796 C1

FIELD: processing of vegetable oil. SUBSTANCE: waste oil is heated to 35-50 C, neutralized by alkali solution and allowed to stand by mixing while decreasing temperature to 20 C. The process is followed by sustaining within 1.5-2.5 h and by decantation to separate liquid technical soap. Then heating to 80-90 C, separating at said temperature, standardization and cooling are carried out. EFFECT: improves efficiency of the method.

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RU 2 039 796 C1

Authors

Perebejnos Anatolij Vasil'Evich

Voronova Elena Anatol'Evna

Dates

1995-07-20—Published

1992-11-03—Filed