Method of removing organic volatile and semi-volatile contaminan

Details Method of removing organic volatile and semi-volatile contaminan Method of removing organic volatile and semi-volatile contaminan

1989-07-14

1990-10-02

Sever, Frank

Liquid purification or separation

Processes

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

55 16, F01D 6136

Patent

active

049605208

ABSTRACT:
Contaminated water is pumped through hollow fiber membranes of microporous polypropylene with a very thin outside coating of plasma polymerized disiloxane. The fibers are potted in a module which resembles a shell and tube heat exchanger. Strippant is pumped through the shell side of the module and over the outside of the fibers. The volatile and semi-volatile contaminants in the water diffuse across the membrane and dissolve into the oil. The process results in clean water and a smaller volume of more highly contaminated oil.

REFERENCES:
patent: 4824444 (1989-04-01), Nomura

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