Method for treatment of aqueous solutions with ion exchange fibe

Details Method for treatment of aqueous solutions with ion exchange fibe Method for treatment of aqueous solutions with ion exchange fibe

1980-06-12

1982-02-02

Cintins, Ivars C.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210777, 210502, 210505, B01D 3702, B01D 1504

Patent

active

043138322

ABSTRACT:
Ion exchange fibers having a thickness of about 2-200 micrometers and a length more than twice the thickness are mixed as a slurry of cation, anion or mixed cation and anion exchange fibers, with or without powdered ion exchange resin of 2-250 micrometers diameter, to intertwine the fibers and immobilize any powdered resin present; the resins are coated from the slurry as a mat on to a filter support; liquids to be purified are passed through the mat until the ion exchange materials are exhausted; and the exhausted mat is stripped from the filter support by a backwash of liquid, gas or both.

REFERENCES:
patent: 2596392 (1952-05-01), Fessler
patent: 3674686 (1972-07-01), Brimmer et al.
patent: 3880754 (1975-04-01), Brost
patent: 3944485 (1976-03-01), Rembaum et al.
patent: 4007301 (1977-02-01), Martino
patent: 4177142 (1979-12-01), Halbfoster
patent: 4190532 (1980-02-01), Halbfoster

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