Compound for the treatment of water polluted with metal ions, pr

Details Compound for the treatment of water polluted with metal ions, pr Compound for the treatment of water polluted with metal ions, pr

1993-11-03

1994-12-13

McCarthy, Neil

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210912, 252175, 252180, 423351, 4235121, 564 17, 568 20, C02F 162

Patent

active

053727266

ABSTRACT:
A compound for the treatment of water polluted by metal ions is obtained by the reaction of potassium or sodium hydroxide in aqueous solution with thiocarbamide and potassium or sodium hyposulfate. After a period of settling, a precipitate forms and is removed; the clear liquid above the precipitate is decanted and used for treating water polluted with metal ions.

REFERENCES:
patent: 4387034 (1983-06-01), Unger et al.
patent: 4612125 (1986-09-01), Elfline
patent: 4957634 (1990-09-01), Bowers, Jr.
patent: 4971775 (1990-11-01), Hoy et al.
patent: 4980071 (1990-12-01), Schuster et al.
patent: 5205939 (1993-04-01), Syrinek
patent: 5264135 (1993-11-01), Mohn

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