C - Chemistry – Metallurgy – 11 – B
Patent
C - Chemistry, Metallurgy
11
B
23/415, 260/497.
C11B 1/10 (2006.01) B01D 11/02 (2006.01) B01F 7/00 (2006.01) C11B 1/06 (2006.01) B01F 5/00 (2006.01)
Patent
CA 1333402
The process as defined in my invention 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.
580397
Bws Technologie Gmbh
Fetherstonhaugh & Co.
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