Method for decontaminating soil

Details Method for decontaminating soil Method for decontaminating soil

1985-04-18

1986-03-04

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 251, B08B 308

Patent

active

045740135

ABSTRACT:
Halogenated contaminants are removed from soil by reaction schemes which are carried out in a slurry of the soil and a reagent mixture. The latter is made up of an alkaline constituent--an alkali metal hydroxide, an alkali metal hydroxide/alcohol or alkali metal hydroxide/glycol mixture, or an alkoxide--and a sulfoxide catalyst.

REFERENCES:
patent: 3481991 (1969-12-01), Cohen
patent: 4327027 (1982-04-01), Howard et al.
patent: 4337368 (1982-06-01), Pytlewski et al.
patent: 4351718 (1982-09-01), Brunelle
patent: 4400552 (1983-08-01), Pytlewski et al.
patent: 4421649 (1983-12-01), Giskehaug et al.
patent: 4447541 (1984-05-01), Peterson
patent: 4483716 (1984-11-01), Heller
Chem. and Engr. News, "New Agent to Destroy PCBs to be Assessed", Oct. 4, 1982, p. 17.

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