Flue gas clean up methods

Details Flue gas clean up methods Flue gas clean up methods

C - Chemistry, Metallurgy

05

D

C05D 3/00 (2006.01) B01D 53/14 (2006.01) B01D 53/60 (2006.01) C01B 31/20 (2006.01) C01C 1/12 (2006.01) C05D 1/00 (2006.01) C05G 1/00 (2006.01)

Patent

CA 2698275

The present invention relates to a method for potassium or nitrogen based fertilizer production from the byproducts of flue gas processing. Further, the present invention relates to a method for isolating fertilizer precursors from a stream of flue gas. The method including a dry sorbent operation, wet scrubbing operation and an oxidization step to remove air pollutants, a carbon dioxide capture step and a sodium bicarbonate precipitation step. The steps involved in the removal of air pollutants are used to isolate precursors for the production of fertilizer. Additionally, the present invention relates to a method for the removal of carbon dioxide from a flue gas stream.

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