Solids decontamination method with ammonia

Details Solids decontamination method with ammonia Solids decontamination method with ammonia

1989-04-04

1990-03-06

Pal, Asok

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 251, 134 26, 210908, 210909, 585861, 2082625, 2082621, B08B 304

Patent

active

049063022

ABSTRACT:
A method of decontaminating solid material consisting of removing organic hazardous waste from contaminated solid material with an aqueous ammonia solution. The resulting aqueous ammonia solution containing organic hazardous waste is further processed to isolate the organic hazardous waste in a small volume for disposal. Solid material such as soil so treated can be returned to the excavation site without further processing.

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patent: 4726905 (1988-02-01), Friedman et al.
patent: 4783263 (1988-11-01), Trost
patent: 4841998 (1989-06-01), Bruya

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