Ambient temperature destruction of PCB wastes

Details Ambient temperature destruction of PCB wastes Ambient temperature destruction of PCB wastes

1990-10-29

1992-06-02

Wyse, Thomas

Liquid purification or separation

Processes

Chemical treatment

210909, C02F 158, C02F 172

Patent

active

051184290

ABSTRACT:
There is disclosed a process for destroying halogenated hydrocarbons such as PCBs and PCBs in PCB containing fluids (e.g., Askarel) and oils (e.g., paraffin oil, transformer oil, etc.) at ambient temperature. The process comprises reacting halogenated hydrocarbons, such as PCB containing fluids or oils with a solid oxidant in the presence of a concentrated acid. Preferably, the solid oxidant is potassium permanganate and the concentrated acid is sulfuric acid. Destruction efficiency is as high as 99.95%.

REFERENCES:
patent: 3487016 (1969-12-01), Zeff
patent: 4351978 (1982-09-01), Hatano et al.
patent: 4416786 (1983-11-01), Knorre et al.
patent: 4683065 (1987-07-01), Sheikh
patent: 4693832 (1987-09-01), Hurst
patent: 4696749 (1987-09-01), Habermann et al.
patent: 4828718 (1989-05-01), Habermann et al.

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