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Combined single-pass conversion of methane via oxidative coupling and dehydro-aromatization
Li, YG; Wu, TH; Shen, WJ; Bao, XH; Xu, YD; Xu YD(徐奕德); Xu YD(徐奕德)
关键词Combined Conversion Of Methane Oxidative Coupling Dehydroaromatization 6mo /hmcm-49
刊名CATALYSIS LETTERS
2005-11-01
DOI10.1007/s10562-005-8008-y
105期:1-2页:77-82
收录类别SCI
文章类型Article
部门归属5
项目归属501,502
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]MO/HZSM-5 CATALYSTS ; NONOXIDATIVE CONDITIONS ; ZEOLITE CATALYSTS ; BENZENE ; DEHYDROAROMATIZATION ; DEHYDROCONDENSATION ; NAPHTHALENE ; CO2 ; PERFORMANCE ; PROMOTION
英文摘要A single-pass process with the combination of oxidative coupling (OCM) and dehydro-aromatization (MDA) for the direct conversion of methane is carried out. With the assistance of the OCM reaction over the SrO-La2O3/CaO catalyst loaded on top of the catalyst bed, the duration of the dehydro-aromatization reaction catalyzed by a 6Mo/HMCM-49 catalyst shows a significant improvement, and. the initial deactivation rate constant of the overall process revealed about 1.5 x 10(-6) s(-1). Up to 72 h on stream, the yield of aromatics was still maintained at 5.0% with a methane conversion of 9.6%, which is obviously higher than that reported for the conventional MDA process with single catalyst. Upon the TPR results, this wonderful enhancement would be attributed to an in-situ formation of CO2 and H2O through the OCM reaction, which serves as a scavenger for actively removing the coke formed during the MDA reaction via a reverse Boudouard reaction and the water gas reaction as well.
语种英语
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WOS记录号WOS:000232697100012
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/321008/93069
专题中国科学院大连化学物理研究所
通讯作者Xu YD(徐奕德); Xu YD(徐奕德)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Jilin Univ, Dept Chem, Changchun 130023, Peoples R China
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GB/T 7714
Li, YG,Wu, TH,Shen, WJ,et al. Combined single-pass conversion of methane via oxidative coupling and dehydro-aromatization[J]. CATALYSIS LETTERS,2005,105(1-2):77-82.
APA Li, YG.,Wu, TH.,Shen, WJ.,Bao, XH.,Xu, YD.,...&徐奕德.(2005).Combined single-pass conversion of methane via oxidative coupling and dehydro-aromatization.CATALYSIS LETTERS,105(1-2),77-82.
MLA Li, YG,et al."Combined single-pass conversion of methane via oxidative coupling and dehydro-aromatization".CATALYSIS LETTERS 105.1-2(2005):77-82.
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