Process for removing mercury from flue gases

Details Process for removing mercury from flue gases Process for removing mercury from flue gases

B - Operations, Transporting

01

D

B01D 53/64 (2006.01) B01D 47/00 (2006.01) B01D 53/18 (2006.01)

Patent

CA 2435474

The invention describes a process for removing mercury from flue gases of high- temperature plants, in particular power stations and waste incineration plants in which a bromine compound is fed to the if appropriate multistage furnace and/or the flue gas in a plant section downstream of the furnace, the temperature during contact of the bromine compound with the flue gas being at least 500°C, preferably at least 800°C. The combustion is carried out in the presence of a sulphur compound, in particular sulphur dioxide. Subsequently to the furnace, the flue gas is subjected to an if appropriate multistage cleanup for removing mercury from the flue gas, which cleanup comprises a wet scrubber and/or a dry cleanup.

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