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How to choose the desulfurization and denitration technology plan according to the different emissio

Time : 2021-05-11

 

According to the type of biomass boiler, the concentration of original pollutants, flue gas emission index requirements, can choose feasible technology, low operating cost of technical solutions.Biomass boiler users can also choose the appropriate desulfurization according to the characteristics of biomass boiler flue gas, combined with biomass fuel denitrification program.

 

(1) compared with coal flue gas, biomass boiler furnace temperature difference, flue gas water content is high, high content of alkali metal smoke dust, sulfur dioxide, nitrogen oxide concentration is low, large fluctuations, which has a greater impact on the selection of desulfurization and denitration program.

 

(2) For areas with low emission requirements of flue gas pollutants, calcium injection in furnace, calcium injection outside furnace, low nitrogen combustion and SNCR technologies are very suitable desulfurization and denitration technologies;For areas with high emission index requirements of flue gas pollutants, the technical scheme of denitrification using the combination of low nitrogen combustion, SNCR, O3 oxidation and wet desulfurization for desulfurization is more appropriate, and the technical scheme of desulfurization and denitrification integration has more advantages.

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