This paper introduces key DeNOx technologies. Several kinds of DeNOx technologies are compared and analyzed from economic and technical aspects, the paper puts forward the optimal denitrification plan—Selective Catalytic Reduction. Using SCR DeNOx system as an object and through process characteristic and reaction mechanism studie, a series of mathematic simulation models have been established. On the basis of these models, the simulation design software of SCR DeNOx system has been developed. The software has been finally compiled to an application software bundle. It can run independently in Windows. The Simulation design can be used in personnel training, and provide reference for further system design optimization and operation. the study of dissertation has basically met the expected design requirements.
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