Method and apparatus for separating polychlorinated biphenyls fr

Details Method and apparatus for separating polychlorinated biphenyls fr Method and apparatus for separating polychlorinated biphenyls fr

1987-04-10

1988-10-18

Sever, Frank

Liquid purification or separation

Processes

Separating

34 27, 34 28, 110238, 423481, F23G 700

Patent

active

047786060

ABSTRACT:
A process and apparatus for treating any fluidizable solid material having a polychlorinated biphenyl contaminant absorbed or adsorbed thereon. The method and apparatus includes heating the fluidizable solids, using hot turbulent gas at a temperature in the range of 850.degree. to 2,500.degree. F. to vaporize and thereby separate the polychlorinated biphenyls from the fluidizable solids and to fluidize at least a portion of the solids. The polychlorinated biphenyl vapors are then further treated to dispose of the polychlorinated biphenyls, such as by condensing the liquid and filtering or decanting them from the condensed water.

REFERENCES:
patent: 4140066 (1979-02-01), Rathjen et al.
patent: 4699721 (1987-10-01), Meenan et al.

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