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《Chemistry & Bioengineering》 2008-09
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Study on Carbonyl Sulfide Removal Performance of Modified Iron Oxide Desulfurizer

QIAN Hong-hui,ZENG Dan-lin,WANG Guang-hui,TIAN Yong-sheng,TIAN Wen-zhong,CHEN Hong-xiang (Hubei Key Laboratory of Coal Conversion and New Carbon Material,College of Chemical Engineering and Technology,Wuhan University of Science and Technology,Wuhan 430081,China)  
A type of iron oxide desulfurizer modified by carbonate compound for carbonyl sulfide removal was prepared.The effect of active component loading,space velocity of feeding gas,water vapor content and oxygen content on the modified desulfurizer activity were investigated.The results showed that the sulfur capacity of modified iron oxide desulfurizer was 3% under the condition of the room temperature of 10~30℃,ambient pressure,space velocity of 1000 h-1,water vapor content 1% and no oxygen.The modification had also enhanced the H2S and CS2 removal capability.The fresh and decayed desulfurizers were characterized by FTIR spectroscopy.Deactivation of the the desulfurizer was directly due to the gradual poisoning of the surface alkalescence hydroxyl by the formation of sulfate with time on stream.
【Fund】: 湖北省教育厅优秀中青年人才项目(Q20081114)
【CateGory Index】: TQ032
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