文档介绍：Catalytic Oxidation of NO on Activated Semi-cokes
Effects of the Operation Parameters
Gao Jian, Li Chunhu※, Feng Lijuan, Hou Yingfei, Yu Yingmin
College of Chemistry and Chemical Engineering
Ocean University of China
Qingdao ,
Email:alternation@
Abstract—To study the effect of the operation parameters on the
de-NOx catalysts prepared by Erdos semi-cokes, the vapor II. EXPERIMENTS
content,O2 content, reaction temperature, space velocity , the
concentrations of NO and SO2 were investigated to find the A. Catalysts Preparation
optimum operating conditions. The addictives loaded on the A kind of semi-cokes (made in Erdos, China) was
catalysts could reduce the vapor’s negative effect. The optimal selected to prepare de-NO catalysts. They were sieved to
℃ X
reaction condition is vapor %, reaction temperature 70 , 2~ as matrixes. The matrixes was immersed in boiling
space velocity 1000h-1, O 10%, NO below 1000ppm. T was 22h
2 B alkaline solution in 10h, and then washed with distilled water
in the optimal condition when less than 70% conversion as the
breakthrough point. Because of the suppression of NO oxidation to neutrality and dried at 110℃, and finally calcined at 700℃
by SO2, the desulfurization process had to place in front of the and maintained for 1h in the water vapor and N2 atmosphere.
process of cata