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题名: Studies on oxy-bromination of methane and coke deposition over FePO4/SiO2 catalysts
作者: Lin, Ronghe1, 3;  Ding, Yunjie1, 2;  Gong, Leifeng1, 2;  Dong, Wenda1, 3;  Chen, Weimiao1;  Lu, Yuan1
关键词: Coke deposition ;  FePO4/SiO2 ;  Methane ;  Oxy-bromination ;  Preparation method ;  Stability
刊名: CATALYSIS TODAY
发表日期: 2011-04-30
DOI: 10.1016/j.cattod.2010.09.023
卷: 164, 期:1, 页:34-39
收录类别: SCI ;  ISTP
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
英文摘要: Different FePO4/SiO2 catalysts have been synthesized and employed for the oxy-bromination of methane reaction. The long-term stability experiments and the influences of FePO4 loading and reaction temperature have been investigated. It was demonstrated that the FePO4/SiO2 catalysts were very stable during 200 h time-on-stream. High total selectivity for CH3Br plus CO with equimolar ratio could be achieved by manipulating the reaction variables. However, coke deposition was found on the used catalysts after a long running period. Characterization techniques such as N-2-adsorption, Fourier-transform infrared spectroscopy and temperature-programmed oxidation were employed to investigate the fresh and used samples. The characterization results implied that the accumulation of CH2Br2 during the reaction could be the direct cause of coke deposition. (C) 2010 Elsevier B. V. All rights reserved.
关键词[WOS]: IRON PHOSPHATE CATALYST ;  HIGHER HYDROCARBONS ;  PARTIAL OXIDATION ;  INTEGRATED PROCESS ;  CONVERSION ;  CONDENSATION ;  FUELS ;  OXIDE ;  ACID
语种: 英语
WOS记录号: WOS:000289716300007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142494
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Lin, Ronghe,Ding, Yunjie,Gong, Leifeng,et al. Studies on oxy-bromination of methane and coke deposition over FePO4/SiO2 catalysts[J]. CATALYSIS TODAY,2011,164(1):34-39.
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