DICP OpenIR
Subject Area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
KeywordCeria Hydrogen Sulfide Adsorption Temperature-programmed Surface Reaction
Source PublicationCHINESE JOURNAL OF CATALYSIS
2012-10-01
ISSN1872-2067
DOI10.1016/S1872-2067(11)60416-6
Volume33Issue:10Pages:1631-1635
Indexed BySCI
SubtypeArticle
DepartmentDNL19
Funding ProjectDNL1902
Contribution Rank2,1
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordGAS-SHIFT REACTION ; HYDROGEN-SULFIDE ; SYNGAS ; CATALYSTS ; SORBENTS ; REMOVAL
AbstractH2S 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.
Language英语
WOS IDWOS:000310037500003
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/117901
Collection中国科学院大连化学物理研究所
Corresponding AuthorXu HY(徐恒泳); ZehuiZhang
Affiliation1.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
Recommended Citation
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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