Apparatus and method for the separation of a viscous mixture

Details Apparatus and method for the separation of a viscous mixture Apparatus and method for the separation of a viscous mixture

1991-03-26

1993-07-20

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

B01D 1104

Patent

active

052290000

ABSTRACT:
A method and apparatus for the separation of viscous mixtures, comprising charging the mixture with solvent to form a dispersion before extraction to improve the extraction over a simple solvent extraction. The mixture to be treated is charged with solvent before the extraction and is then sprayed into the extraction column where it is dispersed. This treatment provides extraction of highly viscous, pasty materials. The charging with solvent can take place until the mixture is saturated with the solvent, and favorable temperature and pressure conditions for charging may be provided in a charging column that is separate from the extraction column.

REFERENCES:
patent: 4367178 (1983-01-01), Heigel et al.
patent: 4492720 (1985-01-01), Mosier
patent: 4560513 (1985-12-01), Coenen et al.
patent: 4736792 (1988-04-01), Brown et al.

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