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学科主题物理化学
Temperature-Programmed Surface Reaction Study of Adsorption and Reaction of H2S on Ceria
Liu Bing1,2,3; Xu Hengyong1; Zhang Zehui2,3; Xu HY(徐恒泳); ZehuiZhang
关键词Ceria Hydrogen Sulfide Adsorption Temperature-programmed Surface Reaction
刊名CHINESE JOURNAL OF CATALYSIS
2012-10-01
ISSN1872-2067
DOI10.1016/S1872-2067(11)60416-6
33期:10页:1631-1635
收录类别SCI
文章类型Article
部门归属DNL19
项目归属DNL1902
产权排名2,1
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]GAS-SHIFT REACTION ; HYDROGEN-SULFIDE ; SYNGAS ; CATALYSTS ; SORBENTS ; REMOVAL
英文摘要H2S adsorption and reaction on CeO2, TiO2, and gamma-Al2O3 were studied by temperature programmed surface reaction (TPSR). Ceria had the best desulfidation ability. The pretreatment atmosphere affected H2S adsorption and reaction on ceria, and desulfidation efficiency increased in the order of inert atmosphere, reducing atmosphere, oxidizing atmosphere. H2S was first adsorbed on pretreated ceria at room temperature. On increasing the temperature in an Ar (99.99%) atmosphere, part of the H2S desorbed below 673 K, and another part reacted with the surface oxygen on ceria to produce sulfur and water below 473 K, and SO2 between 473 and 673 K, which further reacted with lattice oxygen and was transformed into sulfate above 673 K. The sulfate decomposed into SO2 again at 873 K. To avoid the complex regeneration, it is advisable to carry out desulfidation below 673 K when using ceria as adsorbent.
语种英语
WOS记录号WOS:000310037500003
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/117901
专题中国科学院大连化学物理研究所
通讯作者Xu HY(徐恒泳); ZehuiZhang
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.S Cent Univ Nationalities, Coll Chem & Mat Sci, Key Lab Catalysis & Mat Sci, State Ethn Affairs Commiss, Wuhan 430074, Hubei, Peoples R China
3.S Cent Univ Nationalities, Coll Chem & Mat Sci, Minist Educ, Wuhan 430074, Hubei, Peoples R China
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GB/T 7714
Liu Bing,Xu Hengyong,Zhang Zehui,et al. Temperature-Programmed Surface Reaction Study of Adsorption and Reaction of H2S on Ceria[J]. CHINESE JOURNAL OF CATALYSIS,2012,33(10):1631-1635.
APA Liu Bing,Xu Hengyong,Zhang Zehui,徐恒泳,&ZehuiZhang.(2012).Temperature-Programmed Surface Reaction Study of Adsorption and Reaction of H2S on Ceria.CHINESE JOURNAL OF CATALYSIS,33(10),1631-1635.
MLA Liu Bing,et al."Temperature-Programmed Surface Reaction Study of Adsorption and Reaction of H2S on Ceria".CHINESE JOURNAL OF CATALYSIS 33.10(2012):1631-1635.
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