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Catalytic decomposition of N2O on cobalt substituted barium hexaferrites
Ul-Ain, Barkat1,2; Ahmed, Safeer2; Huang Yanqiang1
关键词Nitrous Oxide Decomposition Hexaferrite Ba2mg2fe12o22 Cobalt Microwave
刊名CHINESE JOURNAL OF CATALYSIS
2013-07-01
DOI10.1016/S1872-2067(12)60587-7
34期:7页:1357-1362
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]REDUCTION ; FERRITES ; OXIDE ; CO ; ZEOLITES ; ALUMINA ; METHANE ; NO ; FE
英文摘要Catalytic decomposition of N2O was studied over Co substituted Mg-Y type hexaferrites (Ba2Mg2-xCoxFe12O22, x = 0.4-2.0). The materials were synthesized by a sal-gel method using citric acid as the chelator followed by calcination at 1223 K for 5 h. X-ray diffraction, thermogravimetric analysis/derivative thermogravimetric, scanning electron microscopy, and N-2 adsorption techniques were used to confirm the formation of hexaferrite. The Ba2Mg2-xCoxFe12O22 catalysts displayed good activity for decomposition of high concentration N2O (30 vol%), and complete substitution of Mg for Co lowered the complete conversion temperature from 1123 K to 973 K. Increasing calcination temperature suppressed the catalytic activity by deteriorating surface area. Moreover, coupling microwave discharge significantly boosted the catalytic activity. Co substituted Mg-Y type hexaferrites are potentially active and thermally stable to be used as catalyst for high concentration N2O decomposition. (C) 2013, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier RV. All rights reserved.
语种英语
WOS记录号WOS:000322425500010
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被引频次:3[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/321008/137765
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Quaid I Azam Univ Islamabad, Dept Chem, Islamabad 45320, Pakistan
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Ul-Ain, Barkat,Ahmed, Safeer,Huang Yanqiang. Catalytic decomposition of N2O on cobalt substituted barium hexaferrites[J]. CHINESE JOURNAL OF CATALYSIS,2013,34(7):1357-1362.
APA Ul-Ain, Barkat,Ahmed, Safeer,&Huang Yanqiang.(2013).Catalytic decomposition of N2O on cobalt substituted barium hexaferrites.CHINESE JOURNAL OF CATALYSIS,34(7),1357-1362.
MLA Ul-Ain, Barkat,et al."Catalytic decomposition of N2O on cobalt substituted barium hexaferrites".CHINESE JOURNAL OF CATALYSIS 34.7(2013):1357-1362.
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