Apparatus for decontaminating PCB-contaminated dielectric fluids

Details Apparatus for decontaminating PCB-contaminated dielectric fluids Apparatus for decontaminating PCB-contaminated dielectric fluids

1987-12-03

1988-11-01

Hart, Charles

Liquid purification or separation

With time control

Of additional fluid

210149, 210181, 210199, 210200, 210205, 210218, 210219, 210909, B01D 2130

Patent

active

047818263

ABSTRACT:
A mobile apparatus for chemically decontaminating PCB-contaminated dielectric fluids utilizes three reactors through which the contaminated fluid is processed on a repetitive, sequential batch basis automated by a programmable controller. The processing of each reactor batch includes a charging cycle during which a reactor is filled with contaminated fluid, a reaction cycle during which the PCBs are destroyed by reaction with reagents introduced into a reactor, and a discharging cycle during which the reactor is emptied of decontaminated fluid and reaction by-products into a decanting tank for ultimate separation. The controller coordinates the sequential batch processing through the three reactors in 120.degree. time phased relation such that a charging cycle of one reactor batch, a reaction cycle of a second reactor batch and a discharging cycle of the third reactor batch are all coincident in time during normal operation.

REFERENCES:
patent: 3759387 (1973-09-01), Drayton
patent: 4033868 (1977-07-01), Meichsner et al.
patent: 4477354 (1984-10-01), Fessler
patent: 4514294 (1985-04-01), Layman et al.
patent: 4696739 (1987-09-01), Pedneax

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