Process for the decomposition and decontamination of organic sub

Details Process for the decomposition and decontamination of organic sub Process for the decomposition and decontamination of organic sub

1985-03-13

1986-12-30

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

210909, B01J 1908, B01J 1910, B01J 1912

Patent

active

046327428

ABSTRACT:
A method for the decomposition of an halogenated organic compound is described which comprises reacting the compound with a reagent which consists of (a) at least one member which is a polyethyleneglycol, Nixolen.RTM., an alcohol or a polyhydroxy compound, (b) a base, and (c) an oxidizing agent or a source of radicals, in the absence of oxygen. The method is applicable to the decontamination of mineral oils and soil contaminated with polychlorobiphenyls, polychlorodibenzofurans, polychlorodibenzodioxins, DDT and other halogenated organic compounds.
The different possible formulations of such reagents allow the preparation of stable reactive mixture, which can be either liquid or solid; the liquid reagents are particularly suitable for the decontamination of porous surfaces such as cement, sandstone, asphalt and for the decontamination of parts of plants contaminated by PCBs.
The use of microwaves during the decontamination process proved to be particularly advantageous.

REFERENCES:
patent: 4144152 (1979-03-01), Kitchens
patent: 4246255 (1981-01-01), Grantham
patent: 4297186 (1981-10-01), Killer
patent: 4410422 (1983-10-01), Brunelle
patent: 4447541 (1984-05-01), Peterson

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