Method and apparatus for treating polychlorinated biphenyl contaminated sludge

  • US 4,463,691 A
  • Filed: 03/28/1983
  • Issued: 08/07/1984
  • Est. Priority Date: 03/08/1982
  • Status: Expired due to Term
First Claim
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1. A method for treating polychlorinated biphenyl contaminated waterway bottom material comprising:

  • heating said material by exposure to hot gas in a separator at a temperature of from 850°

    to 2,500°

    F. thereby separating the polychlorinated biphenyls from the material; and

    conveying said separated polychlorinated biphenyls out of said separator for further treatment.

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