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Apparatus for treating a gas formed from a waste in a molten metal bath

  • US 5,776,420 A
  • Filed: 09/05/1996
  • Issued: 07/07/1998
  • Est. Priority Date: 07/29/1991
  • Status: Expired due to Fees
First Claim
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1. An apparatus for treating a gaseous discharge stream formed from a waste in a molten metal bath, comprising:

  • a) a reactor having a molten metal bath formed therein and a gaseous discharge port above the molten metal bath;

    b) a reaction section extending from the gaseous discharge port;

    c) a cooling column extending from the reaction section;

    d) separation means in fluid communication with the cooling section for separating a particulate dissociation product from a gaseous component of a gaseous discharge stream formed from a waste in the reactor and passing from the reactor through the reaction section and the cooling column into said separation means;

    e) a gaseous discharge conduit extending from the separation means;

    f) a cooling section extending from the separation means for cooling a particulate stream formed of the particulate dissociation product separated from the gaseous discharge stream in said separation means;

    g) a recirculation conduit extending from the cooling section to the reaction section for conducting at least portion of the particulate stream from the cooling section to the reaction section; and

    h) a recycle conduit extending from the cooling section to the reactor for recycling a portion of the particulate stream from the cooling section to the reactor for submerged injection into the molten metal bath.

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