Aqueous basic polyaluminum-iron halide solutions

Details Aqueous basic polyaluminum-iron halide solutions Aqueous basic polyaluminum-iron halide solutions

1980-12-22

1982-12-07

Albrecht, Dennis L.

Compositions

Water-softening or purifying or scale-inhibiting agents

252 60, 210702, 210716, 210722, 210723, C02F 120

Patent

active

043626432

ABSTRACT:
Aqueous basic polyaluminum-iron halide solutions, useful as coagulants in waste water treatment are disclosed. The polyaluminum-iron halide solution is prepared by reacting an aqueous polyaluminum halide solution with one or more members of the group consisting of ferrous halide and ferric halide resulting in a solution containing a concentration of metal ions ranging from about 1.35 to 4.5 mol/liter as a dissolved salt of the formula

REFERENCES:
patent: 1324118 (1919-12-01), Hohiwyer et al.
patent: 2858269 (1958-10-01), Harwood et al.
patent: 3173863 (1965-03-01), Oster et al.
patent: 3497459 (1970-02-01), Nakamura et al.
patent: 3544476 (1970-12-01), Alba et al.
patent: 3929666 (1975-12-01), Alba et al.

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