Method and composition for water treatment

Details Method and composition for water treatment Method and composition for water treatment

1990-03-22

1991-12-10

Silverman, Stanley S.

Liquid purification or separation

Processes

Chemical treatment

210764, 210765, 210917, C02F 176

Patent

active

050715690

ABSTRACT:
A method is disclosed for decolorizing a water body particularly for clarifying the water and removing algae stains in a swimming pool, by establishing in the water body EDTA compound and ammonium ions by the addition of appropriate compounds, and a composition for decolorizing such a water body containing EDTA compound and ammonium salt.

REFERENCES:
patent: 3201311 (1965-08-01), Antonides et al.
patent: 4108790 (1978-08-01), Foroulis
patent: 4353866 (1982-10-01), Wong
patent: 4596891 (1986-06-01), van Gilse et al.
patent: 4614595 (1986-09-01), Azzarella et al.
patent: 4846979 (1989-07-01), Hamilton
T. A. Wojtowicz et al., "Water (treatment of Pools, Spas, Hot Tubs") in Kirk-Othmer Encyclopedia of Chemical Technology (3rd ed.), vol. 24, pp. 427-441 (1984).

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