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Production of lower alkenes and light fuels by gas phase oxidative cracking of heavy hydrocarbons
Zhu, Haiou; Liu, Xuebin; Ge, Qingjie; Li, Wenzhao; Xu, Hengyong; Li WZ(李文钊); Li WZ(李文钊)
关键词Decalin Tetralin Gas Phase Oxidative Cracking Pyrolysis Lower Alkenes Light Fuels
刊名FUEL PROCESSING TECHNOLOGY
2006-07-01
DOI10.1016/j.fuproc.2006.01.009
87期:7页:649-657
收录类别SCI
文章类型Article
部门归属8
项目归属801
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Chemistry ; Energy & Fuels ; Engineering
关键词[WOS]HETEROGENEOUS CONTRIBUTIONS ; OXIDE CATALYSTS ; N-BUTANE ; DEHYDROGENATION ; PYROLYSIS ; ETHANE
英文摘要The gas phase oxidative cracking (GOC) and non-oxidative pyrolysis of heavy hydrocarbons were investigated, with decalin (decahydronaphthalene) and tetralin (tetrahydronaphthalene) as the model compounds for naphthenic hydrocarbon and aromatic hydrocarbon, respectively. Unlike pyrolysis, the ring rupture of decalin or tetralin molecule and the decoking ability of system were significantly enhanced due to the introduction of O-2 in GOC. For GOC of decalin, both the lower alkenes and the light fuels were obtained. At lower temperatures the light fuels mainly contained alkyl benzene, alkyl cyclohexane and isoparaffins, while it was rich in BTX (benzene, toluene and xylenes) at higher temperatures. A 38.9% yield of lower alkenes and 48.0% yield of light fuels (BTX mass content: 59.9%) at 100% decalin conversion were obtained under the conditions of 800 degrees C and decalin/O-2=0.5. For GOC of tetralin, both the dehydrogenation and the cracking reactions dominated the reaction routes, resulting in a high mass content of alkyl naphthalene and alkyl benzene in the light fuels. The estimation of O-2 distribution in the products demonstrated that O-2 participated primarily in the oxydehydrogenation reactions at low temperatures, while mainly in the partial oxidation reactions at high temperatures to produce COx (x=1, 2). (C) 2006 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000238916800011
引用统计
被引频次:12[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/321008/93851
专题中国科学院大连化学物理研究所
通讯作者Li WZ(李文钊); Li WZ(李文钊)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Zhu, Haiou,Liu, Xuebin,Ge, Qingjie,et al. Production of lower alkenes and light fuels by gas phase oxidative cracking of heavy hydrocarbons[J]. FUEL PROCESSING TECHNOLOGY,2006,87(7):649-657.
APA Zhu, Haiou.,Liu, Xuebin.,Ge, Qingjie.,Li, Wenzhao.,Xu, Hengyong.,...&李文钊.(2006).Production of lower alkenes and light fuels by gas phase oxidative cracking of heavy hydrocarbons.FUEL PROCESSING TECHNOLOGY,87(7),649-657.
MLA Zhu, Haiou,et al."Production of lower alkenes and light fuels by gas phase oxidative cracking of heavy hydrocarbons".FUEL PROCESSING TECHNOLOGY 87.7(2006):649-657.
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