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What are SCR and SNCR denitration in circulating fluidized bed coal-fired boilers?
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What are SCR and SNCR denitration in circulating fluidized bed coal-fired boilers?

Views: 0     Author: Site Editor     Publish Time: 2022-07-07      Origin: Site

SCR is the abbreviation of Selective Catalytic Reduction. Under the action of catalyst, NOx in flue gas is reduced to N2 and H2O by injecting ammonia.The main components of the catalyst are TiO2 and V2O5.

SNCR is the abbreviation of selective non-catalytic reduction. The reducing agent containing NH3 group is sprayed into the furnace temperature range of 800-950 ℃, and the reducing agent is rapidly thermally decomposed into NH3, which can be directly reacted with NOx in flue gas without catalyst catalysis. The reaction produces N2


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