Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1979-10-18
1981-09-01
Cintins, Ivars C.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210696, 210757, C02F 508, C02F 142
Patent
active
042870720
ABSTRACT:
In the treatment of water by the use of a cationic and/or anionic exchange resin, catalyzed hydrazine compound is added to the feed water to alleviate the iron fouling of the ion exchange resin.
REFERENCES:
patent: 4022711 (1977-05-01), Noack
patent: 4026664 (1977-05-01), Noack
patent: 4039443 (1977-08-01), Tahara et al.
Betz Handbook of Industrial Water Conditioning, 7th Edition, (1976), p. 88.
Cintins Ivars C.
Drew Chemical Corporation
Marn Louis E.
Olstein Elliot M.
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