Process for working up aqueous electrolyte-containing suspension

Details Process for working up aqueous electrolyte-containing suspension Process for working up aqueous electrolyte-containing suspension

1989-04-26

1990-03-13

Sever, Frank

Liquid purification or separation

Processes

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

210651, 210652, B01D 1300

Patent

active

049081330

ABSTRACT:
A process for working up aqueous, electrolyte-containing suspensions of highly swellable layer silicates by which highly swellable layer silicates are isolated substantially free from electrolyte from an aqueous electrolyte-containing suspension in a reasonable time by multi-stage membrane filtration wherein the second and every following membrane stage, the concentrate is diluted, for example with fully deionized water, to maintain pumpability.

REFERENCES:
patent: 4279879 (1981-07-01), Winyall et al.

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