Method for preparing a cation exchanger

Details Method for preparing a cation exchanger Method for preparing a cation exchanger

1983-08-08

1985-01-22

Willis, Jr., P. E.

Compositions

Water-softening or purifying or scale-inhibiting agents

Water-insoluble base-exchange agent containing

25217425, 210661, 210663, 210670, 210683, 423329, 423331, C02F 502, C02B 144

Patent

active

044950802

ABSTRACT:
There is described a method for preparing a cation exchanger to remove metals from liquids they are contained in, which comprises adding to a silicic acid medium with a molecular weight which is preferably lower than 50,000, such a base which brings said medium at least to pH 8, preferably about pH 10, and forming a precipitate that comprises said cation exchanger.

REFERENCES:
patent: 1493455 (1924-05-01), Kobelt
patent: 2213530 (1940-09-01), Montero
patent: 3206303 (1965-09-01), Goren
patent: 3307906 (1967-03-01), Burke
patent: 3886079 (1975-05-01), Burke
patent: 4312845 (1983-01-01), Wason

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