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Mercury removal apparatus and method

  • US 5,409,522 A
  • Filed: 04/20/1994
  • Issued: 04/25/1995
  • Est. Priority Date: 04/20/1994
  • Status: Expired due to Term
First Claim
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1. A system for removing particulate material and mercury-containing compounds from an input gas stream, comprising:

  • channel means for defining the flow of the input gas stream between an inlet and an outlet of the channel means;

    particulate removal means positioned across the input gas stream in the channel means for removing the particulate material from the input gas stream;

    mercury collection means for removing the mercury-containing compounds from the input gas stream, the mercury collection means being positioned downstream of the particulate removal means within a defined region of the channel means and including a mercury collection surface;

    means for selectively elevating the temperature within the defined region to release the mercury-containing compounds from the collection surface, the means for selectively elevating the temperature being in operative contact with the defined region; and

    means for removing the mercury-containing compounds from the defined region after the mercury-containing compounds are released from the collection surface.

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