Composition and method for ground water remediation

Liquid purification or separation – Processes – Including geographic feature

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210757, 210908, 405128, C02F 170

Patent

active

057500363

ABSTRACT:
Addition of ferrous ions to clay and ferric minerals in the ground creates in situ reactive zones which dehalogenate halogenated contaminants in ground water flowing through the reactive zone.

REFERENCES:
patent: 3640821 (1972-02-01), Sweeny et al.
patent: 4321158 (1982-03-01), Beall et al.
patent: 4637992 (1987-01-01), Lewis et al.
patent: 5068038 (1991-11-01), Fischer et al.
patent: 5266213 (1993-11-01), Gillham
patent: 5362404 (1994-11-01), Haitko
patent: 5447639 (1995-09-01), Sivavec
patent: 5520483 (1996-05-01), Vigneri

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