Process and apparatus for recovering vegetable fats and oils fro

Details Process and apparatus for recovering vegetable fats and oils fro Process and apparatus for recovering vegetable fats and oils fro

1991-04-05

1993-01-26

Prescott, Arthur C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Fatty compounds having an acid moiety which contains the...

554 12, C09F 502, C11B 100

Patent

active

051824060

ABSTRACT:
The process for recovering vegetable oleaginous substances from oil-containing natural substances comprises a series of continuous combined pressing and extraction steps to increase and simultaneously to guarantee a high quality product for different kinds of natural substance starting materials. This is accomplished by subjecting the natural substances, conditioned and comminuted if necessary, after mixing with a solvent phase containing some oil to an intensive processing, mixing and extraction in the shear field of at least one rotor-stator unit and subsequently feeding the resulting liquid phase, through a filter if necessary, to a distillation column. The solid phase is extracted in successive stages until a residual oil content of 1% is reached and the solvent is fed back to a solid phase in a counterflow. The process as defined in my invention is universally applicable to all fat and oil-containing natural substances using suitable fluid extraction means. An apparatus for performing this process is also provided. A variety of rotor-stator assemblies are provided for the rotor-stator unit as defined in the nature of the natural substances being processed.

REFERENCES:
patent: 2840459 (1958-06-01), Karnofsky
patent: 3261690 (1966-07-01), Wayne
patent: 4452744 (1984-06-01), Finch et al.
Brockhaus Enzyklopadie, p. 718, 1971.

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