Aqueous basic polyaluminum-iron halide solutions

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

1982-09-16

1983-11-29

Albrecht, Dennis L.

Compositions

Water-softening or purifying or scale-inhibiting agents

423463, C01F 756, C01G 4910, C02B 120

Patent

active

044179960

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

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Process Design Manual for Sludge Treatment and Disposal-US EDA Report-625/1-74-006, Chapter 6, p. 13, (Oct. 1974).

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