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题名: Production of lower alkenes and light fuels by gas phase oxidative cracking of heavy hydrocarbons
作者: Zhu, Haiou;  Liu, Xuebin;  Ge, Qingjie;  Li, Wenzhao;  Xu, Hengyong
通讯作者: 李文钊
关键词: decalin ;  tetralin ;  gas phase oxidative cracking ;  pyrolysis ;  lower alkenes ;  light fuels
刊名: FUEL PROCESSING TECHNOLOGY
发表日期: 2006-07-01
DOI: 10.1016/j.fuproc.2006.01.009
卷: 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
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.
关键词[WOS]: HETEROGENEOUS CONTRIBUTIONS ;  OXIDE CATALYSTS ;  N-BUTANE ;  DEHYDROGENATION ;  PYROLYSIS ;  ETHANE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000238916800011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93851
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, Dalian 116023, Peoples R China

Recommended Citation:
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.
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