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Reducing mercury emissions from the burning of coal

  • US 8,226,913 B2
  • Filed: 05/02/2011
  • Issued: 07/24/2012
  • Est. Priority Date: 03/17/2005
  • Status: Active Grant
First Claim
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1. A process for burning mercury containing fuel in a furnace of a fuel burning system to reduce the amount of mercury released from the system into the environment, the process comprising:

  • adding a sorbent composition comprising bromine or iodine onto the coal upstream of the furnace;

    delivering the fuel with the applied sorbent composition into the furnace;

    adding sorbent components comprising calcium, silica, and alumina into the furnace where the temperature is greater than 2000°

    F.; and

    combusting the fuel in the furnace to produce combustion gases, ash and heat energy.

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