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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)
KeywordDecalin Tetralin Gas Phase Oxidative Cracking Pyrolysis Lower Alkenes Light Fuels
Source PublicationFUEL PROCESSING TECHNOLOGY
2006-07-01
DOI10.1016/j.fuproc.2006.01.009
Volume87Issue:7Pages:649-657
Indexed BySCI
SubtypeArticle
Department8
Funding Project801
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Energy & Fuels ; Engineering, Chemical
WOS Research AreaChemistry ; Energy & Fuels ; Engineering
WOS KeywordHETEROGENEOUS CONTRIBUTIONS ; OXIDE CATALYSTS ; N-BUTANE ; DEHYDROGENATION ; PYROLYSIS ; ETHANE
AbstractThe 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.
Language英语
URL查看原文
WOS IDWOS:000238916800011
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/93851
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi WZ(李文钊); Li WZ(李文钊)
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
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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