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Mechanism Research of Desulfurization and Denitration in the Condition of Combustion

Author: ZhangPeiPei
Tutor: WangShuQin
School: North China Electric Power University (Hebei)
Course: Environmental Science
Keywords: Nano TiO2 Combustion Desulfurization and denitrification Mechanism
CLC: X701.3
Type: Master's thesis
Year: 2009
Downloads: 123
Quote: 0
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Abstract


In this paper, nano TiO 2 catalytic combustion desulfurization and denitrification mechanism research . Explore line monitoring of combustion flue gas SO2 concentration of SO2 gas , O2 gas , the combustion temperature and NO gas analytical grade CaO desulfurization . And by the unreacted shrinking core model from the reaction order , activation energy, pre-exponential factor , etc. to verify that the model can be better suited for the desulfurization reaction of CaO . Second explore coal , SO2, the combustion temperature coal tar denitration . And verify that the coal tar reduction reaction can be better suited unreacted shrinking core model . Finally, the analysis of the specific surface area of the reaction products , ion chromatography analysis , discussed nano TiO 2 catalytic combustion mechanism of desulfurization and denitrification . Experimental results show that the unreacted shrinking core model suitable for the simultaneous desulfurization and denitrification reaction , and nano- TiO 2 CaO has a the catalytic combustion desulfurization and denitrification role to improve CaO desulfurization and coal tar reduction denitration effect . Than not adding nano TiO 2 promoting effect of about 15% desulfurization efficiency .

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Exhaust gas processing and utilization > Desulfurization and desulfurization
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