Brine treatment using ethylene carboxylic acid polymers

Details Brine treatment using ethylene carboxylic acid polymers Brine treatment using ethylene carboxylic acid polymers

1985-09-16

1988-05-31

Therkorn, Ernest G.

Liquid purification or separation

Processes

Ion exchange or selective sorption

204 98, 423157, C02F 142

Patent

active

047479574

ABSTRACT:
Hardness values (Ca.sup.++ and Mg.sup.++) and other polyvalent metal cations are removed from alkali metal brines (esp. NaCl) by using a high surface area ethylene/carboxylic acid polymer (esp. porous ethylene/acrylic acid copolymers).

REFERENCES:
patent: 3493498 (1970-02-01), Abrams et al.
patent: 4078978 (1978-03-01), Zirngiebl
patent: 4083782 (1978-04-01), Kunin
patent: 4120653 (1978-10-01), Smolka
patent: 4448693 (1984-05-01), Kiehling et al.
Kunin, Robert; Ion Exchange Resins, Rohmand Haas Company, Philadelphia, Pa., 1972, pp. 47, 69 and 91.
Dorfner, Konrad; Ion Exchangers, Properties and Applications, 1972; pp. 36 and 37.

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