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题名: Coupled hydrogenation and ring opening of tetralin on potassium modified Pt/USY catalysts
作者: Ma, Huaijun;  Yang, Xiaomei;  Wen, Guodong;  Tian, Ge;  Wang, Lei;  Xu, Yunpeng;  Wang, Bingchun;  Tian, Zhijian;  Lin, Liwu
关键词: tetralin ;  decalin ;  hydrogenation ;  ring opening ;  Pt/USY ;  diesel
刊名: CATALYSIS LETTERS
发表日期: 2007-08-01
DOI: 10.1007/s10562-007-9103-z
卷: 116, 期:3-4, 页:149-154
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Coupled hydrogenation and ring opening of tetralin (THN) on Pt/USY catalyst were performed on a high-pressure fixed-bed reactor. The effect of reaction temperature in range of 100-300 degrees C and the nature of the catalyst (metal and acid sites) on the catalytic performance were studied. The results indicated that the extent of hydrocracking, a sequential reaction of ring opening, should be reduced in order to maintain high yields of the ring opening products (ROP). Introduction of the Pt component accelerated the hydrogenation and ring opening of the THN significantly. It was also found to be an effective way to optimize the acid properties of the catalysts by introducing an appropriate amount of potassium to the catalyst, such that the strong acid sites of the catalysts were diminished, and a higher ROP yield could be obtained as a result of the inhibiting of the hydrocracking activity of the catalyst. When the yield of the C10 fractions could be maintained at 90 wt.%, then a maximal ROP yield of 35.6 wt.% could be obtained on a 0.5 wt.% Pt/USY catalyst loaded with 2.0 wt.% of K.
关键词[WOS]: ZEOLITE-SUPPORTED PD ;  NAPHTHALENE ;  DECALIN ;  HYDROCRACKING ;  PERFORMANCE ;  IMPROVEMENT ;  MOLECULES ;  ACIDITY ;  MCM-41 ;  OIL
语种: 英语
WOS记录号: WOS:000248615500010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140617
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, Lab Appl Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Ma, Huaijun,Yang, Xiaomei,Wen, Guodong,et al. Coupled hydrogenation and ring opening of tetralin on potassium modified Pt/USY catalysts[J]. CATALYSIS LETTERS,2007,116(3-4):149-154.
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