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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)
KeywordChloromethane Light Olefins Sapo-34 Si Incorporation
Source PublicationCATALYSIS LETTERS
2007-03-01
DOI10.1007/s10562-007-9038-4
Volume114Issue:1-2Pages:30-35
Indexed BySCI
SubtypeArticle
Department8
Funding Project803
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordSURFACE METHOXY GROUPS ; BRONSTED ACID SITES ; ZEOLITE CATALYSTS ; MOLECULAR-SIEVES ; SILICON INCORPORATION ; HIGHER HYDROCARBONS ; ORGANIC IMPURITIES ; METHYL HALIDE ; CONVERSION ; METHANOL
AbstractSAPO-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.
Language英语
URL查看原文
WOS IDWOS:000246082900005
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/98603
Collection中国科学院大连化学物理研究所
Corresponding AuthorLiu ZM(刘中民); Liu ZM(刘中民)
Affiliation1.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
Recommended Citation
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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