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Acidity effects of H beta zeolite on olefin alkylation of thiophenic sulfur in gasoline
Zhang, Zekai1,3; Liu, Dong2; Zhu, Xiangxue1; Yu, Haiwei1,2,3; Liu, Shenglin1; Xu, Longya1
关键词Desulfurization Alkylation Acidity h Beta Gasoline
刊名JOURNAL OF NATURAL GAS CHEMISTRY
2008-03-01
17期:1页:45-50
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 ; Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Chemistry ; Energy & Fuels ; Engineering
关键词[WOS]DEEP DESULFURIZATION ; OXIDATIVE DESULFURIZATION ; OIL ; BIODESULFURIZATION ; CATALYSTS ; FUELS
英文摘要Olefin alkylation of thiophenic sulfur process was carded out in model gasoline, using Ho zeolites with different Si/Al(2) ratios as catalysts. In particular, the influence of acid properties of H beta zeolites on its catalytic ability for the thiophene alkylation, xylene alkylation and hexene oligomerization was investigated. The results showed that the acidity of the H beta zeolite was increased with the decrease of Si/Al(2) ratio, but its catalytic ability was not always increased. In fact, it reached the maximal catalytic ability at Si/Al(2) ratio of 66, and under the reaction conditions of 60 degrees C, 1.5 MPa, WHSV 3.0 h(-1) and time on stream 2 h. At the ratio, the conversion of thiophene, xylene, and oligomerized hexene were 96.6%, 2.7% and 2.8%, respectively. An optimal Si/Al(2) ratio exists for the catalytic performance of H beta zeolite. By investigating the coke deposition of the used H beta zeolite catalysts, it has been found that the optimal Si/Al(2) ratio is attributed to the combined effect of the carbocation activation capability and the hydrogen transformation capability of the H beta zeolite catalyst.
语种英语
WOS记录号WOS:000255491700007
引用统计
被引频次:11[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/321008/141021
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.CNPC, Dalian Petrochem Corp, Dalian 116032, Liaoning, Peoples R China
3.Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Zhang, Zekai,Liu, Dong,Zhu, Xiangxue,et al. Acidity effects of H beta zeolite on olefin alkylation of thiophenic sulfur in gasoline[J]. JOURNAL OF NATURAL GAS CHEMISTRY,2008,17(1):45-50.
APA Zhang, Zekai,Liu, Dong,Zhu, Xiangxue,Yu, Haiwei,Liu, Shenglin,&Xu, Longya.(2008).Acidity effects of H beta zeolite on olefin alkylation of thiophenic sulfur in gasoline.JOURNAL OF NATURAL GAS CHEMISTRY,17(1),45-50.
MLA Zhang, Zekai,et al."Acidity effects of H beta zeolite on olefin alkylation of thiophenic sulfur in gasoline".JOURNAL OF NATURAL GAS CHEMISTRY 17.1(2008):45-50.
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