Method of removing alkaline materials from waste water

Details Method of removing alkaline materials from waste water Method of removing alkaline materials from waste water

1992-06-01

1993-11-23

Silverman, Stanley S.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210683, 210687, 210691, 210692, 210925, B01D 1504, C02F 128

Patent

active

052641325

ABSTRACT:
Disclosed is a method for removing ammonia, organic amines and alkaline impurities from waste water which comprises using a partially spent ion exchange resin which no longer meets the purity requirements for the production of MTBE, washing the catalyst with water, contacting it with waste water for a an adequate period and removing the purified filtrate.

REFERENCES:
patent: 4230807 (1980-10-01), Evans
patent: 4336140 (1982-06-01), Smith et al.
patent: 4385121 (1983-05-01), Knowlton
patent: 4539761 (1985-09-01), Habermehl
patent: 4693828 (1987-09-01), Yoshioka et al.
patent: 5061372 (1991-10-01), Rak

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