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Gas phase catalytic partial oxidation of toluene in a microchannel reactor
Ge, H; Chen, GW; Yuan, Q; Li, HQ; Chen GW(陈光文); Chen GW(陈光文)
关键词Toluene Heterogeneous Catalytic Reaction Selective Oxidation Microreactor V/ti Oxide Catalysts
刊名CATALYSIS TODAY
2005-12-15
DOI10.1016/j.cattod.2005.09.006
110期:1-2页:171-178
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 ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]SELECTIVE OXIDATION ; HYDROGEN-PRODUCTION ; OXIDE CATALYSTS ; BENZOIC-ACID ; MICROREACTOR ; EXCHANGER ; SYSTEM
英文摘要Gas phase partial oxidation of toluene over V/Ti oxide catalysts has been successfully performed in a microchannel reactor, which provides very good mass and heat transfer conditions. With the elimination of hot spots, which are known as the most negative factors for partial oxidation of hydrocarbons, steady and uniform reaction conditions can be achieved in the catalyst bed by using, the microreactor. Since the best performance of the catalysts might be exploited, the selectivity of partial oxidation products of toluene has remarkably increased compared to the traditional packed fixed-bed reactor, even without the bother of modifying the catalysts, diluting the reactants or catalysts with inert contents to avoid hot spots or improve the diffusion and mixing. Furthermore, in virtue of its inherent safety features, when using pure oxygen as oxidant, the reactions were handled safety within the explosion limits in the microreactor. With TiO2 carried V2O5 as catalysts, the total selectivity of benzaldehyde and benzoic acid reaches around 60%, and the toluene conversion is about 10%. The conversion can go up without violent decline of selectivity, unlike most fixed bed reactors. Space time yield of 3.12 kg h(-1) L-1 calculated on the basis of the channel volume has been achieved. The influence of operating conditions has been investigated in detail in the microreactor. (c) 2005 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000233890900021
引用统计
被引频次:31[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/321008/92983
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 Sch, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714
Ge, H,Chen, GW,Yuan, Q,et al. Gas phase catalytic partial oxidation of toluene in a microchannel reactor[J]. CATALYSIS TODAY,2005,110(1-2):171-178.
APA Ge, H,Chen, GW,Yuan, Q,Li, HQ,陈光文,&陈光文.(2005).Gas phase catalytic partial oxidation of toluene in a microchannel reactor.CATALYSIS TODAY,110(1-2),171-178.
MLA Ge, H,et al."Gas phase catalytic partial oxidation of toluene in a microchannel reactor".CATALYSIS TODAY 110.1-2(2005):171-178.
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