METHOD FOR NEUTRALIZING VEGETABLE OILS AND FATS Russian patent published in 1997 - IPC

Abstract RU 2080361 C1

FIELD: organic chemistry, methods for purifying fat stock from free fatty acids; may be used for production of edible and technical vegetable oils and fats, as well as detergents. SUBSTANCE: fat stock containing vegetable oils and fats is neutralized with aqueous solution of sodium hydroxide in presence of sodium salts of sulfuric or phosphoric acids or mixture thereof. Resulting sodium soaps and salts are present in ratio from 4:1 to 19:1. Neutralized oil and sodium soaps forming precipitate are separated. To concentrate sodium soaps neutral fats are extracted from precipitate by hydrogen solvent. EFFECT: HIGHER EFFICIENCY. 2 CL, 1 TBL

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RU 2 080 361 C1

Authors

Stopskij V.S.

Fridman I.A.

Dates

1997-05-27—Published

1994-09-30—Filed