Apparatus for removing mercury from waste water

Details Apparatus for removing mercury from waste water Apparatus for removing mercury from waste water

1974-09-13

1978-07-04

Wyse, Thomas G.

Liquid purification or separation

With means to add treating material

Plural distinct separators

210203, 210206, 210266, C02B 118

Patent

active

040986977

ABSTRACT:
A method for removing mercury from water contaminated with mercury comprising contacting water containing metallic mercury with finely divided anthracite coal. The mercury laden water can be first treated with sodium borohydride to reduce dissolved mercury to the metallic form. The water treated with reducing agent, is filtered through a pressure leaf filter coated with a filter aid, contacted with anthracite coal and contacted with chelating resin.

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patent: 3171801 (1965-03-01), Rice et al.
patent: 3171802 (1965-03-01), Rice et al.
patent: 3268441 (1966-08-01), Lindstrom
patent: 3408289 (1968-10-01), Gustafson
patent: 3505005 (1970-04-01), Gilbert
patent: 3578163 (1971-05-01), Warning
patent: 3618766 (1971-11-01), Morey
patent: 3764528 (1973-10-01), Codmus
patent: 3770423 (1973-11-01), Lores et al.
patent: 3847598 (1974-12-01), Coulter et al.

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