Treatment of mercury contaminated aqueous media

Details Treatment of mercury contaminated aqueous media Treatment of mercury contaminated aqueous media

1977-01-07

1979-04-03

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

423101, 423562, C02C 504, C01D 108

Patent

active

041476263

ABSTRACT:
A technique for removing substantially all the elemental mercury from a mercury containing aqueous media by adjusting the pH of the liquid to the range of 7-13, adding a polysulfide in an amount sufficient to combine with the elemental mercury to form a mercury sulfide which is precipitated and preventing the mercury from being resolublized.

REFERENCES:
patent: 3674428 (1972-07-01), Dean et al.
patent: 3749761 (1973-07-01), Dean et al.
patent: 3790370 (1974-02-01), Lalancette
patent: 3835217 (1974-09-01), Dunsmoor
patent: 3836442 (1974-09-01), Dean et al.
patent: 3989623 (1976-11-01), Neal

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