Chlorine-tolerant, thin-film composite membrane

Details Chlorine-tolerant, thin-film composite membrane Chlorine-tolerant, thin-film composite membrane

1991-09-09

1993-12-21

Spear, Frank

Liquid purification or separation

Processes

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

21050037, 427245, B01D 6102

Patent

active

052718433

ABSTRACT:
A semipermeable membrane suitable for reverse osmosis applications is prepared by interfacially reacting on a support an aromatic polyamine containing at least three and, preferably, four aromatic nuclei with a polyfunctional amine-reactive compound such as an aromatic polyacyl halide.

REFERENCES:
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patent: 4277344 (1981-07-01), Cadotte
patent: 4606943 (1986-08-01), Rak et al.
patent: 4756835 (1988-07-01), Lukson
patent: 4761234 (1988-08-01), Uemura et al.
patent: 4830885 (1989-05-01), Tran et al.
patent: 4983291 (1991-01-01), Chau et al.
Final Report, OWRT Contract 14-34-001-6521 (Mar. 1978).

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