Device and method for filtering a colloidal suspension

Details Device and method for filtering a colloidal suspension Device and method for filtering a colloidal suspension

1989-03-10

1990-08-28

Sever, Frank

Liquid purification or separation

Processes

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

210648, 21032167, 21032168, B01D 6118, B01D 6122

Patent

active

049523171

ABSTRACT:
A device for separating selected components from a colloidal suspension utilizing a vessel capable of holding the colloidal suspension. A membrane permeable to selected components of a colloidal suspension is sealed over a support to form a leaf element. The leaf element includes an outlet for the selected components of the colloidal suspension and is extended into the colloidal suspension. The leaf element is controllably vibrated and simultaneously with application of a negative or positive pressure which is used to motivate permeation of the membrane by selected components of the colloidal suspension.

REFERENCES:
patent: 3455821 (1969-07-01), Aremaa
patent: 3970564 (1976-07-01), Shamsutdinov et al.
patent: 4062768 (1977-12-01), Elliot
patent: 4253962 (1981-03-01), Thompson
patent: 4446022 (1984-05-01), Harry
patent: 4526688 (1985-07-01), Schmidt, Jr. et al.
patent: 4545969 (1985-10-01), Diekotter et al.
Ultrafiltration Brief--Concentration & Desalting with Immersible CX Ultrafilters Millipore Products Division, Bedford, Mass.; pp. 1-8.

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