Method and apparatus for separating dioxin from fluidizable solids

  • US 4,685,220 A
  • Filed: 09/02/1983
  • Issued: 08/11/1987
  • Est. Priority Date: 09/02/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for treating a fluidizable solid material contaminated with a dioxin comprising:

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

    to 2,500°

    F. thereby separating the dioxin from the material; and

    conveying said separated dioxin out of said drying means for further treatment.

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