Method for treating ground water contamination

Details Method for treating ground water contamination Method for treating ground water contamination

1992-04-27

1994-04-12

Willis, Jr., Prince

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210698, 210747, 210764, 252180, 252181, 134 36, C02F 100

Patent

active

053022920

ABSTRACT:
The disclosure teaches a water treatment composition and method especially useful with respect to groundwater treatment upstream of an air stripper facility. The composition includes a chelating agent such as citric acid and/or ethylenediaminetetraacetic acid and a sequestration agent such as diethylenetriamine-methylenephosphoric acid.

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patent: 4799995 (1989-01-01), Crump et al.
patent: 4818506 (1989-04-01), Lin et al.
patent: 4846934 (1989-07-01), Carberry
patent: 4997571 (1991-03-01), Roensch et al.
patent: 5023011 (1991-06-01), Busch et al.
patent: 5160047 (1992-11-01), McCarthy

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