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学科主题: 物理化学
题名: Model Iron Phosphate Catalysts for the Oxy-bromination of Methane
作者: Wang, Runqin1, 2;  Lin, Ronghe1;  Ding, Yunjie1, 3;  Liu, Jia1, 2
通讯作者: 丁云杰
关键词: Iron phosphate ;  Oxy-bromination ;  Methane ;  Methyl bromide ;  Phase evolution
刊名: CATALYSIS LETTERS
发表日期: 2014-08-01
DOI: 10.1007/s10562-014-1291-8
卷: 144, 期:8, 页:1384-1392
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Three kinds of bulk iron phosphates were prepared via different methods and employed as model catalysts in the oxy-bromination of methane (OBM). Na3Fe2(PO4)(3) was obtained via a fluoride route for the first time that showed even superior catalytic performance than FePO4. Phase evolution from Na3Fe2(PO4)(3) to Na2Fe3(PO4)(3) after the OBM was confirmed both by X-ray diffraction and Fe-57 Mossbauer spectroscopy. Temperature-programmed reduction of hydrogen and desorption of CH3Br revealed that the redox capacity of iron phosphates were responsible for the generation of bromine radicals on catalyst surfaces while CH3Br-involved reactions likely belonged to gas-phase reactions.
关键词[WOS]: OXIDATIVE BROMINATION ;  STABLE CATALYST ;  ACETIC-ACID ;  CONDENSATION ;  PROPYLENE ;  OXIDE
语种: 英语
WOS记录号: WOS:000339938000004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144305
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Wang, Runqin,Lin, Ronghe,Ding, Yunjie,et al. Model Iron Phosphate Catalysts for the Oxy-bromination of Methane[J]. CATALYSIS LETTERS,2014,144(8):1384-1392.
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