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Catalytic performance of chloromethane transformation for light olefins production over SAPO-34 with different Si content
Wei, Yingxu; Zhang, Dazhi; He, Yanli; Xu, Lei; Yang, Yue; Su, Bao-Lian; Liu, Zhongmin; Liu ZM(刘中民); Liu ZM(刘中民)
关键词Chloromethane Light Olefins Sapo-34 Si Incorporation
刊名CATALYSIS LETTERS
2007-03-01
DOI10.1007/s10562-007-9038-4
114期:1-2页:30-35
收录类别SCI
文章类型Article
部门归属8
项目归属803
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]SURFACE METHOXY GROUPS ; BRONSTED ACID SITES ; ZEOLITE CATALYSTS ; MOLECULAR-SIEVES ; SILICON INCORPORATION ; HIGHER HYDROCARBONS ; ORGANIC IMPURITIES ; METHYL HALIDE ; CONVERSION ; METHANOL
英文摘要SAPO-34s with low and high Si content were synthesized and characterized by XRD, XRF, NMR, FTIR and TG-DSC. Different Si content generated no apparent difference in XRD patterns and P-31 and Al-27 MAS NMR spectra. The Si coordination states studied by Si-29 MAS NMR predicted the acidity difference caused by Si incorporation. The absorbance of bridge hydroxyls in FTIR spectra also showed the amount of active sites differed with Si content. Both of the two samples were employed as catalysts in the transformation of chloromethane to light olefins and proved to be very selective catalysts for light olefins production. The influences of Si content on chloromethane conversion and product selectivity were investigated in details. Coke amount and coke species were determined by TG-DSC and FTIR. Coke formation was related to the Si content of SAPO-34 and corresponded to the catalytic performance.
语种英语
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WOS记录号WOS:000246082900005
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被引频次:38[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/321008/98603
专题中国科学院大连化学物理研究所
通讯作者Liu ZM(刘中民); Liu ZM(刘中民)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Appl Catalysis Lab, Dalian 116023, Peoples R China
2.Univ Namur FUNDP, ISIS, Lab Chim Mat Inorgan, B-5000 Namur, Belgium
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GB/T 7714
Wei, Yingxu,Zhang, Dazhi,He, Yanli,et al. Catalytic performance of chloromethane transformation for light olefins production over SAPO-34 with different Si content[J]. CATALYSIS LETTERS,2007,114(1-2):30-35.
APA Wei, Yingxu.,Zhang, Dazhi.,He, Yanli.,Xu, Lei.,Yang, Yue.,...&刘中民.(2007).Catalytic performance of chloromethane transformation for light olefins production over SAPO-34 with different Si content.CATALYSIS LETTERS,114(1-2),30-35.
MLA Wei, Yingxu,et al."Catalytic performance of chloromethane transformation for light olefins production over SAPO-34 with different Si content".CATALYSIS LETTERS 114.1-2(2007):30-35.
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