Surfactant-containing aluminosilicates and process

Details Surfactant-containing aluminosilicates and process Surfactant-containing aluminosilicates and process

1977-06-30

1978-11-21

Albrecht, Dennis L.

Compositions

Water-softening or purifying or scale-inhibiting agents

Water-insoluble base-exchange agent containing

210 38A, 210 41, 252 89R, 252140, 252155, 252173, 252313R, 252357, 252547, 423265, 423328, 423329, C01B 3328, C02B 144, C11D 138, C11D 312

Patent

active

041265742

ABSTRACT:
This invention relates to cation-exchanging, water-insoluble aluminosilicates containing bound water and an ionic surface-active compound resistant to water hardness formers and having, for every mol of Al.sub.2 O.sub.3, from 0.7 to 1.5 mols Cat.sub.2
O, where Cat is a cation having the valence n, and from 0.8 to 6 mols SiO.sub.2, and being produced by the precipitation of said aluminosilicate in an aqueous solution, wherein said reaction is conducted in the presence of an aqueous solution of said ionic surface-active compound, and optional subsequent crystallization; as well as a process for its preparation and a process for the sequestration of water hardness cations employing said aluminosilicates.

REFERENCES:
patent: 3206408 (1965-09-01), Vitalis
patent: 3254034 (1966-05-01), Dwyer
patent: 3313594 (1967-04-01), Wilson
patent: 3708428 (1973-01-01), McDonald
patent: 3886079 (1975-05-01), Burke
patent: 3925262 (1975-12-01), Laughlin
patent: 3929678 (1975-12-01), Laughlin
patent: 4071377 (1978-01-01), Schwuger
McCutcheon's Detergents & Emulsifiers - 1970 Annual, pp. 45, 62 & 109.

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