Process for removing residual solvents

Details Process for removing residual solvents Process for removing residual solvents

1974-11-26

1976-06-29

Lutter, Frank W.

Food or edible material: processes, compositions, and products

Processes

Extraction utilizing liquid as extracting medium

134 25R, 134 42, 426430, B01D 1102

Patent

active

039669815

ABSTRACT:
Process for removing residual solvent from materials containing the same which involves extracting the material with liquid CO.sub.2, separating the phases, and evaporating CO.sub.2 from the treated material. For example, residual hexane can be removed from de-fatted soybeans by this procedure.

REFERENCES:
patent: 3252807 (1966-05-01), Kuramoto
patent: 3477856 (1969-11-01), Schultz
Abstract, "Solubility of CO.sub.2 and H.sub.2 S in Liquid Hydrocarbons at Cryogenic Temperatures," 70:413125, 1968.
Abstract, "Low Temperature Absorption of CO.sub.2 by Acetone," 68:99188f, 1967.
"Bland Undenatured Soybean Flakes . . . ." by Mustakas et al., found in The Journal of the Am. Oil Chemists Society, Sept. 1961. Issue vol. 38, No. 9, pp. 473-478.
"Determination of Residual Solvent in Oilseed Meals and flours . . . ." found in The Journal of the Am. Oil Chemists Society, vol. 47, No. 1, pp. 17-18.

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