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Gas phase partial oxidation of toluene over modified V2O5/TiO2 catalysts in a microreactor
Ge, Hao; Chen, Guangwen; Yuan, Quan; Li, Hengqiang; Chen GW(陈光文); Chen GW(陈光文)
关键词Toluene Partial Oxidation Microreactor V/ti Oxides Catalysts Modification
刊名CHEMICAL ENGINEERING JOURNAL
2007-03-01
DOI10.1016/j.cej.2006.09.024
127期:1-3页:39-46
收录类别SCI
文章类型Article
部门归属9
项目归属903
产权排名1;1
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Environmental ; Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]SELECTIVE OXIDATION ; V/TI-OXIDE ; MICROCHANNEL REACTOR ; ACTIVE-SITES ; BENZOIC-ACID ; POTASSIUM ; TIO2 ; BENZALDEHYDE ; SYSTEM
英文摘要The influence of different additives to V2O5/TiO2 catalyst for the gas phase partial oxidation of toluene was investigated in a microchannel reactor, where well-controlled reaction conditions were provided without heat and mass transfer influence. It was found that K-doping decreased the catalyst selectivity for benzaldehyde and benzoic acid. The addition of Sb promoted the selectivity but inhibited the catalyst activity greatly. The modification with Ag remarkably improved the catalyst performance in terms of increasing benzaldehyde and benzoic acid selectivity along with an increased activity. With Ag modified V2O5/TiO2 as catalyst and pure oxygen as oxidant, the total selectivity of benzaldehyde and benzoic acid reached over 80% with the toluene conversion above 10%. The maximum space-time yield of 4.82 kg h(-1) L-1 has been achieved, calculated on the basis of the channel volume. (c) 2006 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000245149200005
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被引频次:27[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/321008/98471
专题中国科学院大连化学物理研究所
通讯作者Chen GW(陈光文); Chen GW(陈光文)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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GB/T 7714
Ge, Hao,Chen, Guangwen,Yuan, Quan,et al. Gas phase partial oxidation of toluene over modified V2O5/TiO2 catalysts in a microreactor[J]. CHEMICAL ENGINEERING JOURNAL,2007,127(1-3):39-46.
APA Ge, Hao,Chen, Guangwen,Yuan, Quan,Li, Hengqiang,陈光文,&陈光文.(2007).Gas phase partial oxidation of toluene over modified V2O5/TiO2 catalysts in a microreactor.CHEMICAL ENGINEERING JOURNAL,127(1-3),39-46.
MLA Ge, Hao,et al."Gas phase partial oxidation of toluene over modified V2O5/TiO2 catalysts in a microreactor".CHEMICAL ENGINEERING JOURNAL 127.1-3(2007):39-46.
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