Microwave-mediated degradation of PCB wastes

Details Microwave-mediated degradation of PCB wastes Microwave-mediated degradation of PCB wastes

1989-09-13

1990-12-25

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415794, 20415821, 422 21, B01J 1968, A61L 212

Patent

active

049800396

ABSTRACT:
This is disclosed a process for the decomposition of halogenated hydrocarbons including polychlorinated biphenyls (PCB) and chlorinated pesticides, as DDT and DDE. The process comprises microwave-mediated wet-ashing of the halogenated hydrocarbons(s) in controlled conditions to avoid an emission of noxious fumes from the reaction mixture. Preferably, the wet-ashing reagent is a 1:1 mixture of nitric acid and sulfuric acid.

REFERENCES:
patent: 4080168 (1978-03-01), Abu-Samra
patent: 4345983 (1982-08-01), Wan
patent: 4632742 (1986-12-01), Tundo

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