Process for the treatment of contaminated water by means of...

Details Process for the treatment of contaminated water by means of... Process for the treatment of contaminated water by means of...

2006-11-10

2010-02-09

Barry, Chester T (Department: 1797)

Liquid purification or separation

Processes

Ion exchange or selective sorption

C210S668000, C210S691000, C210S757000, C210S763000

Reexamination Certificate

active

07658853

ABSTRACT:
A process is described for the treatment of water contaminated by metals with a high oxidation degree, aliphatic compounds, aromatic compounds, halogen-aromatic compounds, chlorinated alkane and alkene compounds or mixtures thereof, which consists in circulating the contaminated water through a reactive system consisting of metallic iron and a zeolite having a silica/alumina ratio >50, placed in succession, wherein the first element through which the water passes is iron.

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patent: 2004/0206705 (2004-10-01), Vignola et al.
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patent: 0 522 946 (1993-01-01), None
patent: 2000 279985 (2000-10-01), None
patent: 03 002461 (2003-01-01), None
U.S. Appl. No. 12/336,112, filed Dec. 16, 2008, Vignola et al.

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