Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1995-01-11
1996-06-11
Novosad, Stephen J.
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
405263, 405 52, E02D 300
Patent
active
055250084
ABSTRACT:
The present invention provides a method and apparatus for in-situ treatment of soil and groundwater contaminated with organic pollutants. The process involves defining the nature and extent of the contamination; determining the hydrology and geology of the contaminated area; determining the volume and concentration of a reactive solution required to effect treatment of the contaminated area; injecting the reactive solution into one or more injectors that are inserted into the ground, sealed and positioned so as to assure flow of the reactive solution through the contaminated area; allowing the reactive solution to flow through the contaminated area thereby reacting chemically with the contaminants contained within the contaminated area; and determining when the treatment is complete by monitoring by-products of the chemical reaction. Preferably, the reactive solution is an aqueous solution of hydrogen peroxide and metallic salts.
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Michaelson Peter L.
Novosad Stephen J.
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