Feasibility analysis of denitration by ozone oxidation and its application in coal fired industrial boilers

Yan Lili

doi:10.13226/j.issn.1006-6772.2017.04.015

Abstract：Coal will still be the main part of the energy consumption structure in China in a short term,but the pollutants produced by its combustion bring serious environmental pollution problems.The existing desulfurization and denitration process generally occupies a large area,and the investment and operation cost is higher,which is not suitable for the application of pulverized coal industrial boilers.According to the mechanism of ozone oxidation,proposed an efficient boiler flue gas pollutants removal methods,and through literature research,proved that denitrification results of this method,analyzed the main factors affecting the pollutant removal efficiency,expoundel the application of technology in foreign countries.Finally introduced the existing flue gas purification technology pulverized coal industrial boiler system,the ozone oxidation coupling of China Coal Research Institute independent high rate ash calcium circulating flue gas desulfurization (NGD) technology,effective removal of nitrogen oxides and completd the high order acid gases such as SO2,SO3,and,heavy metal hg,As,to achieve ultra the effect of low emissions,is of great significance for the formation of the integration of flue gas with the characteristics of pulverized coal industrial boiler purification technology.