Method and apparatus for treating polychlorinated biphenyl...

Details Method and apparatus for treating polychlorinated biphenyl... Method and apparatus for treating polychlorinated biphenyl...

F - Mech Eng,Light,Heat,Weapons

23

G

23/375, 260/653.

F23G 7/00 (2006.01)

Patent

CA 1225665

METHOD AND APPARATUS FOR TREATING POLYCHLORINATED BIPHENYL CONTAMINATED SLUDGE ABSTRACT OF THE DISCLOSURE A method and apparatus for treating polychlorinated biphenyl contaminated sludge involves heating the sludge, using hot turbulent gas at a temperature in the range of 850° to 2,500° F. with a sludge residence time of about .5 to 2 seconds, to separate the polychlorinated biphenyls from the sludge. The particulates are subsequently removed from a PCB entraining gas stream and the PCB's are then burned in a multi- fuel burner. Pressurized air, fluidized PCB's, and a gaseous fuel are injected into the burning chamber at spaced points along the length of the flame in a direction generally trans- verse to the direction of the flame to very completely consume the fuel and PCB's.

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