Vapor solvent decontamination of PCB transformer components

Details Vapor solvent decontamination of PCB transformer components Vapor solvent decontamination of PCB transformer components

1988-04-14

1991-01-08

Pal, Asok

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 12, 134 2219, 134 31, 134 40, 134109, B08B 308

Patent

active

049832220

ABSTRACT:
A method for decontaminating PCB containing transformers. The transformer is initially cleaned using a vapor degreasing solvent. The internal parts are removed and given a second cleaning which combines vapor degreasing with mechanical tumbling. The transformer and its parts are cleaned to less than 10 .mu.g/100 cm.sup.2 PCB. These cleaned parts are reclaimed rather than disposed of as toxic waste.

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patent: 4753735 (1988-06-01), Figiel
patent: 4798218 (1989-01-01), Sauvan
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