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Two-Step Calcined MoVTeNbO Catalysts for the Oxidation of Propane to Acrylic Acid
Wang Hongxin1,2; Deng Zhonghua1,2; Chu Wenling1; Yang Weishen1
KeywordPropane Selective Oxidation Acrylic Acid Molybdenum Vanadium Tellurium Niobium Calcination
Source PublicationCHINESE JOURNAL OF CATALYSIS
2009-06-01
Volume30Issue:6Pages:490-496
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordMIXED-OXIDE CATALYSTS ; SELECTIVE OXIDATION ; (AMM)OXIDATION CATALYSTS ; ACTIVE-CENTERS ; O-X ; AMMOXIDATION ; PERFORMANCE ; PHASES ; M1 ; M2
AbstractMoV(0.3)Te(0.23)Nb(0.12)O(x) catalysts were prepared by the slurry method in a rotary evaporator and used in the selective oxidation of propane to acrylic acid. The influences of the calcination methods and the calcination temperatures in the two-step calcination method on the structure and catalytic performance of the MoV(0.3)Te(0.23)Nb(0.12)O(x) catalysts were investigated. The results indicated that the catalysts obtained by two-step calcination exhibited higher catalytic activity and selectivity than that by one-step calcination. Further investigations showed that the calcination temperatures of each stage for the two-step calcination method, especially those of high-temperature stage, had significant effects on the structure and the catalytic performance of catalysts. The phase composition of the catalysts was a crucial factor in improving the catalytic performance, and another important effect on the conversion of propane was produced by more active lattice oxygen, according to the results of X-ray diffraction and H, temperature-programmed reduction.
Language英语
WOS IDWOS:000267780100004
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141567
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang Hongxin,Deng Zhonghua,Chu Wenling,et al. Two-Step Calcined MoVTeNbO Catalysts for the Oxidation of Propane to Acrylic Acid[J]. CHINESE JOURNAL OF CATALYSIS,2009,30(6):490-496.
APA Wang Hongxin,Deng Zhonghua,Chu Wenling,&Yang Weishen.(2009).Two-Step Calcined MoVTeNbO Catalysts for the Oxidation of Propane to Acrylic Acid.CHINESE JOURNAL OF CATALYSIS,30(6),490-496.
MLA Wang Hongxin,et al."Two-Step Calcined MoVTeNbO Catalysts for the Oxidation of Propane to Acrylic Acid".CHINESE JOURNAL OF CATALYSIS 30.6(2009):490-496.
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