Method and apparatus for recovering an acid from an acid-contain

Details Method and apparatus for recovering an acid from an acid-contain Method and apparatus for recovering an acid from an acid-contain

1990-07-12

1991-11-05

Sever, Frank

Liquid purification or separation

Processes

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

210651, 21032175, 21032184, B01D 6142, B01D 6150

Patent

active

050629603

ABSTRACT:
An apparatus for recovering an acid from an acid-containing waste liquor, which is a diffusion dialytic cell having a plurality of anion exchange membranes disposed to alternately form feed liquor compartments to which the acid-containing waste liquor is supplied and recovery compartments to which water is supplied, wherein a cooling compartment defined by a water-impermeable membrane is provided adjacent to such feed liquor compartments or recovery compartments.

REFERENCES:
patent: 4559144 (1985-12-01), Pfenninger et al.
Patent Abstracts of Japan, vol. 3, No. 128 (C-62), Oct. 24, 1979, & JP-A-54106097 (Asahi Glass K.K.), 08.20.1979.
Patent Abstracts of Japan, vol. 1, No. 120 (C-28), Oct. 12, 1977, & JP-A-5281084 (Tokuyama Soda K.K.), 07.07.1977.
Chemical Abstracts, vol. 108, No. 12, Mar. 21, 1988, p. 552, Abstract No. 102796e, Columbus, Ohio, U.S., & JP-A-62190499 (Nippon Atomic Ind.), 08.20.1987.
Patent Abstracts of Japan, vol. 11, No. 150 (C-422) (2597), May 15, 1987, & JP-A-61284538 (Nippon Mining Co. Ltd.), 12.15.1986.
Patent Abstracts of Japan, vol. 7, No. 143 (C-172) (1288), Jun. 22, 1983, & JP-A-5858112 (Tokuyama Soda K.K.), 04.06.1983.

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