Method and apparatus for separating polychlorinated biphenyls from fluidizable solids

  • US 4,778,606 A
  • Filed: 04/10/1987
  • Issued: 10/18/1988
  • Est. Priority Date: 09/02/1983
  • Status: Expired due to Term
First Claim
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1. A method for treating a fluidizable solid material contaminated with a toxic organic contaminant having a boiling point of at least 110°

  • C. comprising;

    fluidizing and heating said fluidizable solid in a drying vessel at a temperature sufficient to enable recovery of substantially all of said toxic organic contaminants in a gaseous stream out of said drying vessel, leaving 5 parts per million or less of the contaminants in the fluidizable solids, thereby separating the contaminant from a major portion of the fluidizable solids; and

    removing said gaseous stream containing said separated contaminants from said drying vessel for further treatment.

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