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Combined single-pass conversion of methane via oxidative coupling and dehydroaromatization
Li, YG; Su, LL; Wang, HX; Liu, HM; Shen, WJ; Bao, XH; Xu, YD
关键词Single-pass Methane Oxidative Coupling Dehydroaromatization Aromatics
刊名CATALYSIS LETTERS
2003-09-01
89期:3-4页:275-279
收录类别SCI
文章类型Article
部门归属501
项目归属501
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]NONOXIDATIVE CONDITIONS ; DEHYDRO-AROMATIZATION ; MO/HZSM-5 CATALYSTS ; ZEOLITE CATALYSTS ; BENZENE ; CO2 ; DEHYDROGENATION ; NAPHTHALENE ; OXYGEN ; MO
英文摘要A new reaction mode, i.e., the combined single-pass conversion of methane via oxidative coupling (OCM) over mixed metal oxide (SLC) catalysts and dehydroaromatization (MDA) over Mo/HZSM-5 catalysts, is reported. With the assistance of an OCM reaction over SLC catalysts in the top layer of the reactor, the deactivation resistance of Mo/HZSM-5 catalysts is remarkably enhanced. Under the selected reaction conditions, the CH(4) conversion decreased from similar to18 to similar to1% and the aromatics yield decreased from 12.8 to 0.1%, respectively, after running the reaction for 960 min on both 6Mo/HZSM-5 and SLC-6Mo/HZSM-5 catalyst system without O(2) in the feed. On the other hand, for the SLC-6Mo/HZSM-5 catalyst system with O(2) in the feed, the deactivation was improved greatly, and after 960 min onstream the CH(4) conversion and aromatics yield were still as high as 12.0 and 8.0%, respectively. The promotion effect mainly appears to be associated with in situ formation of CO(2) in the OCM layer, which reacts with coke via the reverse Boudouard reaction.
语种英语
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WOS记录号WOS:000185303100017
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被引频次:13[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/321008/82857
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Li, YG,Su, LL,Wang, HX,et al. Combined single-pass conversion of methane via oxidative coupling and dehydroaromatization[J]. CATALYSIS LETTERS,2003,89(3-4):275-279.
APA Li, YG.,Su, LL.,Wang, HX.,Liu, HM.,Shen, WJ.,...&Xu, YD.(2003).Combined single-pass conversion of methane via oxidative coupling and dehydroaromatization.CATALYSIS LETTERS,89(3-4),275-279.
MLA Li, YG,et al."Combined single-pass conversion of methane via oxidative coupling and dehydroaromatization".CATALYSIS LETTERS 89.3-4(2003):275-279.
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