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题名: The effects of support and promoter on thiophene hydrodesulfurization and tetralin hydrogenation
作者: Ji, YY;  Afanasiev, P;  Vrinat, M;  Li, WZ;  Xu, HY
关键词: thiophene ;  hydrodesulfurization ;  tetralin ;  presulfurization ;  support effect ;  promoting effect
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2003
卷: 24, 期:1, 页:32-36
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The catalyst preparation and the catalyst test were carried out in the same conditions in this paper so as to give a good insight into the effects of the support and promoter on hydrotreating catalysis. The results of thiophene hydrodesulfurization (HDS) and tetralin hydrogenation (HYD) displayed that the activity over the unpromoted catalysts increased with the used support in the order TiO2-Al2O3 > ZrO2 > Al2O3. As for the promoted catalysts, the Ni-promoted catalyst exhibited significantly higher activity than the Co-promoted one, and the ZrO2-supported Mo and W catalysts gave the highest HDS and HYD activity, respectively. Whereas Pt showed no synergy effect but rather additivity of the catalytic properties with Mo and W sulfides. The sequence of sulfidation and introduction of Ni and Co was very important. Using our catalyst preparation method could avoid too early sulfidation of Ni and facilitated the formation of the active Ni-Mo-S phase. This effect was probably similar to that observed in the systems prepared with addition of chelating agent.
关键词[WOS]: MOLYBDENUM CATALYSTS ;  CHELATING-AGENTS ;  AL2O3 ;  COMO ;  COW
语种: 英语
WOS记录号: WOS:000180791900009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138251
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Inst Rech Catalyse, F-69626 Villeurbanne, France

Recommended Citation:
Ji, YY,Afanasiev, P,Vrinat, M,et al. The effects of support and promoter on thiophene hydrodesulfurization and tetralin hydrogenation[J]. CHINESE JOURNAL OF CATALYSIS,2003,24(1):32-36.
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