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CONTROL OF WET SCRUBBER OXIDATION INHIBITOR AND BYPRODUCT RECOVERY

  • US 20190076781A1
  • Filed: 11/13/2018
  • Published: 03/14/2019
  • Est. Priority Date: 04/11/2012
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving a waste gas comprising an acid gas and at least one of elemental iodine and an iodine-containing composition;

    passing the waste gas through a wet scrubber to remove at least a portion of the acid gas and the at least one of elemental iodine and an iodine-containing composition from the waste gas and form a scrubbing solution comprising at least one of an acid derived from the acid gas and a derivative thereof and at least one of elemental iodine and an iodine-containing composition;

    removing, from the scrubbing solution, at least a portion of the at least one of elemental iodine and an iodine-containing composition, thereby reducing a concentration of the at least one of elemental iodine and an iodine-containing composition in the scrubbing solution; and

    applying at least some of the removed at least a portion of the at least one of the elemental iodine and the iodine-containing composition to coal, wherein the coal and the removed at least a portion of the at least one of the elemental iodine and the iodine-containing composition are combusted to form the waste gas.

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