METHOD FOR SELECTIVE PURIFICATION OF OIL FRACTIONS Russian patent published in 1996 - IPC

Abstract RU 2070216 C1

FIELD: production of oils. SUBSTANCE: extract is distilled to yield top fraction and bottom residue. A part of the former at a temperature not exceeding that of raw material loaded into extractor is loaded there at a site situated between inlets for raw material and antisolvent. EFFECT: enhanced efficiency of process. 9 tbl, 2 dwg

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RU 2 070 216 C1

Authors

Ziganshin G.K.

Osintsev A.A.

Dates

1996-12-10—Published

1994-07-27—Filed