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题名: Effects of reaction conditions on the selective oxidation of propane to acrylic acid on Mo-V-Te-Nb oxides
作者: Zhu, BC;  Li, HB;  Yang, WS;  Lin, LW
关键词: propane ;  selective oxidation ;  acrylic acid ;  Mo-V-Te-Nb oxide catalysts
刊名: CATALYSIS TODAY
发表日期: 2004-09-01
DOI: 10.1016/j.cattod.2004.06.045
卷: 93-5, 页:229-234
收录类别: ISTP ;  SCI
文章类型: Article
项目归属: 504
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: An effective Mo-1 V(0.3)Te(0.23)Nb(0.12)Ox catalysts for the selective oxidation of propane to acrylic acid was successfully prepared by using rotavap method. The catalyst was characterized by XRD and shown to contain (V0.07Mo0.93)(5)O-14, (Nb0.09Mo0.91)O-2.8,3MoO(2)(.)Nb(2)O(5), Mo5TeO16 and/or TeMo4O13, Te4Nb2O13 and a new TeMO (TeVMoO or TeVNbMoO; M = Mo, V and Nb) crystalline phase as the major phase. Regardless of the intrinsic catalytic characteristics of the catalyst, the external reaction conditions would have strong effects on the catalytic performance for propane oxidation. So in this paper, the effects of reaction conditions were investigated and discussed, including temperature, space velocity, V(air)/V(C3H8) ratio and V(steam)/V(C3H8) ratio. A stability test was also carried out on Mo1V0.3Te0.23Nb0.12Ox catalyst. The experimental run was performed during 100 h under the optimized reaction conditions. During the 100 h of operation, propane conversion and acrylic acid selectivity remained at about 59 and 64%, respectively. (C) 2004 Elsevier B.V. All rights reserved.
关键词[WOS]: V2O5-P2O5-BASED CATALYSTS ;  PHASE-COMPOSITION ;  AMMOXIDATION ;  ACTIVATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000223973200031
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/81773
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Zhu, BC,Li, HB,Yang, WS,et al. Effects of reaction conditions on the selective oxidation of propane to acrylic acid on Mo-V-Te-Nb oxides[J]. CATALYSIS TODAY,2004,93-5:229-234.
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