Liquid purification or separation – Processes – Chemical treatment
Patent
1995-03-31
1996-08-06
McCarthy, Neil
Liquid purification or separation
Processes
Chemical treatment
210908, 210909, 210747, C02F 170
Patent
active
055430597
ABSTRACT:
A method is provided for remediation of contaminated solutions using a tiered metal wall or column. The tiered metal wall or column has at least three zones with graduated sizes of reducing metal particles. Contaminated solutions pass through the tiered wall or column to dehalogenate contaminant halogenated hydrocarbons.
REFERENCES:
patent: 5266213 (1993-11-01), Gillham
T. Senzaki and Y. Kumagai, "Removal of Organochloro Compounds in Waste-Water by Reductive Treatment-Treatment of 1,1,2,2-tetrachloroethane with Iron Powder", 1988, pp. 1-14.
R W Gilham et al., Metal-Catalyzed Abiotic Degradation of Halogenated Organic Compounds, Waterloo Centre for Groundwater Research, vol. 29, No. 5, Sep.-Oct. 1991 (2 pages).
Horney David P.
Howson Paul E.
Mackenzie Patricia D.
General Electric Company
Johnson Noreen C.
Magee Jr. James
McCarthy Neil
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