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Catalytic Abatement of Nitrous Oxide Coupled with Ethane Oxydehydrogenation over Mesoporous Cr/Al2O3 Catalyst
Zhang, Yan; Megarajan, Suresh Kumar; Xu, Xia; Lu, Jingting; Jiang, Heqing
2017-05-01
发表期刊CATALYSTS
卷号7期号:5
摘要Waste nitrous oxide (N2O) was utilized as an oxidant for ethane oxydehydrogenation reaction at the temperature range from 450 degrees C to 700 degrees C over the mesoporous Cr/Al2O3 catalyst synthesized via the one-pot evaporation-induced self-assembly (EISA) method. The catalyst was characterized by X-ray diffraction, transmission electron microscopy, and nitrogen adsorption-desorption analysis. The obtained mesoporous material with favorable textural property and advantageous thermal stability was investigated as the catalyst for ethane oxydehydrogenation. It was found that the utilization of N2O as an oxidant for the oxydehydrogenation reaction of ethane resulted in simultaneous and complete N2O abatement. Moreover, the catalytic conversion of C2H6 to C2H4 was increased from 18% to 43% as the temperature increased from 450 degrees C to 700 degrees C. The increased N2O concentration from 5 vol % to 20 vol % resulted in an increased ethane conversion but decreased ethylene selectivity because the nonselective reactions occurred. Ethane was converted into ethylene with approximately 51% selectivity and 22% yield at 700 degrees C and N2O concentration of 10%. After a catalytic steady state was reached, no obvious decline was observed during a 15 h evaluation period.
文章类型Article
关键词Evaporation-induced Self-assembly Ordered Mesopores Cr/al2o3 Oxide N2o Decomposition Ethane Oxydehydrogenation
WOS标题词Science & Technology ; Physical Sciences
DOI10.3390/catal7050137
关键词[WOS]MOLECULAR-SIEVES ; COMPOSITE OXIDES ; FEMFI ZEOLITES ; MASS-TRANSPORT ; DEHYDROGENATION ; OXIDATION ; PROPANE ; N2O ; PERFORMANCE ; MECHANISM
收录类别SCI
语种英语
WOS研究方向Chemistry
项目资助者National Natural Science Foundation of China(21606249 ; Shandong Provincial Natural Science Foundation, China(BS2014NJ003) ; China Postdoctoral Science Foundation(2015M582158) ; 21550110496)
WOS类目Chemistry, Physical
WOS记录号WOS:000404099100012
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9638
专题膜分离与催化团队
作者单位Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao Key Lab Funct Membrane Mat & Membrane Tec, Qingdao 266101, Peoples R China
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Zhang, Yan,Megarajan, Suresh Kumar,Xu, Xia,et al. Catalytic Abatement of Nitrous Oxide Coupled with Ethane Oxydehydrogenation over Mesoporous Cr/Al2O3 Catalyst[J]. CATALYSTS,2017,7(5).
APA Zhang, Yan,Megarajan, Suresh Kumar,Xu, Xia,Lu, Jingting,&Jiang, Heqing.(2017).Catalytic Abatement of Nitrous Oxide Coupled with Ethane Oxydehydrogenation over Mesoporous Cr/Al2O3 Catalyst.CATALYSTS,7(5).
MLA Zhang, Yan,et al."Catalytic Abatement of Nitrous Oxide Coupled with Ethane Oxydehydrogenation over Mesoporous Cr/Al2O3 Catalyst".CATALYSTS 7.5(2017).
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