Process of using water-absorbent agents for low pH applications

Details Process of using water-absorbent agents for low pH applications Process of using water-absorbent agents for low pH applications

1983-10-17

1985-04-16

Sebastian, Leland A.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210692, 252194, 427336, 428500, 524547, B01D 3700, C02F 100

Patent

active

045114773

ABSTRACT:
A process for absorbing water containing relatively large amount of acid comprises contacting an aqueous medium with a rapidly water-swellable polymer comprising an alkali metal sulfonic acid salt containing polyelectrolyte. For example, a crosslinked polymer containing polymerized acrylamide and sodium 2-acrylamide-2-methylpropane sulfonate can be used to remove acidic water from fuels, battery casings, etc.

REFERENCES:
patent: 3669103 (1972-07-01), Harper et al.
patent: 3670731 (1972-07-01), Harmon
patent: 4028233 (1977-07-01), Quentin et al.
patent: 4090013 (1978-05-01), Ganslaw et al.
patent: 4117184 (1978-09-01), Erickson et al.
patent: 4132695 (1979-01-01), Burkholder
patent: 4134863 (1979-01-01), Fanta et al.
patent: 4194998 (1980-03-01), Fanta et al.
patent: 4242242 (1980-12-01), Allen
patent: 4293609 (1981-10-01), Erickson

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