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A novel catalytic approach to the production of aromatics and ethene directly from methane - (II) - TPSHR and characterization of the surface carbonaceous species on Mo/HZSM-5
Wang, LS; Cui, W; Liu, XC; Xu, YD; Guo, XX
KeywordTpo Tpshr Carbonaceous Deposit Mo/hzsm-5
Source PublicationPROGRESS IN NATURAL SCIENCE
1999-02-01
Volume9Issue:2Pages:109-113
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
WOS SubjectMaterials Science, Multidisciplinary ; Multidisciplinary Sciences
WOS Research AreaMaterials Science ; Science & Technology - Other Topics
WOS KeywordDEHYDRO-OLIGOMERIZATION ; 2-STEP REACTION ; HYDROCARBONS ; CONVERSION ; DEHYDROGENATION ; BENZENE
AbstractThe surface carbonaceous species on Mo/HZSM-5, which are formed from methane dehydrogenation and aromatization, are characterized by temperature programmed oxidation (TPO), C-13 CPMAS NMR and studied by temperature programmed surface hydrogenation reaction (TPSHR). According to their peak temperatures in the profile of TPO, three carbonaceous species of C-alpha, C-beta, and C-gamma on Mo/HZSM-5 can be detected. C-alpha is the most active and C-beta second as far as the reaction with hydrogen is concerned. C-gamma is inert and deposited on HZSM-5. Two types of surface carbonaceous species of C-sigma and C-pi on used Mo/HZSM-5 can be identified by C-13 CPMAS-NMR, whereas only C-sigma on HZSM-5. C-sigma is sp(3) coordinated carbon and C-pi is sp(2) coordinated.
Language英语
WOS IDWOS:000078393200005
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/138628
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Wang, LS,Cui, W,Liu, XC,et al. A novel catalytic approach to the production of aromatics and ethene directly from methane - (II) - TPSHR and characterization of the surface carbonaceous species on Mo/HZSM-5[J]. PROGRESS IN NATURAL SCIENCE,1999,9(2):109-113.
APA Wang, LS,Cui, W,Liu, XC,Xu, YD,&Guo, XX.(1999).A novel catalytic approach to the production of aromatics and ethene directly from methane - (II) - TPSHR and characterization of the surface carbonaceous species on Mo/HZSM-5.PROGRESS IN NATURAL SCIENCE,9(2),109-113.
MLA Wang, LS,et al."A novel catalytic approach to the production of aromatics and ethene directly from methane - (II) - TPSHR and characterization of the surface carbonaceous species on Mo/HZSM-5".PROGRESS IN NATURAL SCIENCE 9.2(1999):109-113.
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