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Removal of Hg, NO x , and SO x with using oxidants and staged gas/liquid contact

  • US 8,242,324 B2
  • Filed: 10/27/2009
  • Issued: 08/14/2012
  • Est. Priority Date: 10/01/2002
  • Status: Expired due to Fees
First Claim
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1. A method of scrubbing Hg compounds from a gas stream, comprising:

  • a scrubbing operation, including;

    contacting a gas stream containing Hg or Hg compounds and SOx compounds with a sorbent for removing at least a portion of said SOx, compounds present in said stream to provide a partially cleaned gas stream; and

    contacting said partially cleaned gas stream with an oxidant or oxidant solution to oxidize and/or remove residual Hg or Hg compounds remaining in said stream.

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