Coagulants containing basic aluminum polychloride or polychloros

Details Coagulants containing basic aluminum polychloride or polychloros Coagulants containing basic aluminum polychloride or polychloros

1994-05-24

1997-01-28

Medley, Margaret

Compositions

Water-softening or purifying or scale-inhibiting agents

252178, 210716, 210723, C02F 500

Patent

active

055975100

ABSTRACT:
Coagulant compositions, advantageously solvent (water) solution thereof, well suited for the treatment/purification of impure aqueous media, e.g., surface waters, wastewaters, effluents, etc., via sedimentation technique, comprise (i) at least one basic aluminum polychloride or polychlorosulfate, (ii) at least one iron(II) and/or iron(III) compound, and (iii) at least one alkali metal and/or alkaline earth metal halide.

REFERENCES:
patent: 4005009 (1977-01-01), Kinoshita et al.
patent: 4600513 (1986-07-01), Mizutani et al.
patent: 4802993 (1989-02-01), Katoh
patent: 5171453 (1992-12-01), Communal
patent: 5250189 (1993-10-01), Rey
patent: 5346643 (1994-09-01), Kuno

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