Oilseed extraction process

Details Oilseed extraction process Oilseed extraction process

1984-06-28

1985-05-07

Evans, J. E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C11B 100, C07F 502

Patent

active

045157260

ABSTRACT:
A process is provided for the recovery of a separate lecithin/phosphatide-rich product during the extraction of soybeans with an isopropanol-based solvent. The invention comprises steps for contacting soybeans with solvent to obtain an extracted seed meal and a solvent extract of seedoils and lecithin and related phosphatides, cooling miscella to a temperature in the range from about 30.degree. to 80.degree. F., phase separating the cooled miscella, recovering from the phase separation an upper solvent-rich phase, an intermediate lecithin/phosphatide-rich phase and a lower crude oil phase, and directly recycling the solvent-rich phase to the extractor.

REFERENCES:
patent: 2524037 (1950-10-01), Beckel et al.
patent: 4298540 (1981-11-01), Youn et al.
patent: 4456556 (1984-06-01), Grimsby
patent: 4456557 (1984-06-01), Grimsby
patent: 4457869 (1984-07-01), Grimsby

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