Experimental Research on Combined Removal of SO2-NO by Activated CokeReportar como inadecuado

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The experiment of combined removal of SO2-NO by activated coke that prepared with anthracite was carried out on fixed bed. The instantaneous removal efficiency and the average removal efficiency of sample was used to evaluate. The results show that different NH3-NO molar ratios have more influence on denitration efficiency which increases with the increase of NH3-NO molar ratio, and the increasing trend of denitration efficiency becomes slower as NH3-NO molar ratio is above of 1.2. Gas space velocity has great influence on desulfurization and denitration. The higher space velocity, the lower removal efficiency. According to three factor and three level orthogonal test, the factor with the greatest impact on the removal efficiency is space velocity, followed by adsorption reaction temperature and NH3-NO molar ratio. Through analysis of experiment results and industrial application, the optimum conditions are obtained as follows: reaction temperature, 125℃; space velocity, 400h-1; NH3-NO molar ratio, 1.2.


activated coke; desulfurization; denitration; flue gas; removal efficiency

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Autor: Yinwu Xiong, Daming Liang, Zhongchao Sun, Xiang Fu, Weiguo Dong

Fuente: http://www.scirp.org/


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