In situ treatment of waste water to prevent ground water contami

Details In situ treatment of waste water to prevent ground water contami In situ treatment of waste water to prevent ground water contami

1989-08-11

1991-08-27

Cintins, C. Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210747, 210170, 210283, 210484, 405 55, 405128, B01D 1504

Patent

active

050430769

ABSTRACT:
An article of manufacture and method for holding and treating water contaminated with one or more water-soluble contaminants to substantially prevent the contaminants from seeping into ground water supplies disposed below a water holding area. The article of manufacture and method include the use of a water-holding material, e.g, a water-swellable clay, such as bentonite, for reducing the permeation of the contaminated water into the soil, and an inground treatment layer containing a material capable of adsorbing, absorbing, ion-exchanging, neturalizing or reacting with one or more water-soluble contaminants within the water for removing a substantial portion of the contaminants from the water so that the portion of the held water that permeates the water-holding layer, will be rendered substantially less contaminated.

REFERENCES:
patent: 4473477 (1984-09-01), Beall
patent: 4840734 (1989-06-01), Johnson

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