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题名: Selective catalytic reduction of NO with NH3 over iron titanate catalyst: Catalytic performance and characterization
作者: Liu, Fudong1;  He, Hong1;  Zhang, Changbin1;  Feng, Zhaochi2;  Zheng, Lirong3;  Xie, Yaning3;  Hu, Tiandou3
关键词: Selective catalytic reduction ;  Iron titanate catalyst ;  Titanium sulfate ;  Titanium tetrachloride ;  Crystallite ;  Active phase
刊名: APPLIED CATALYSIS B-ENVIRONMENTAL
发表日期: 2010-06-07
DOI: 10.1016/j.apcatb.2010.02.038
卷: 96, 期:3-4, 页:408-420
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Engineering, Environmental ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A novel iron titanate catalyst prepared by conventional co-precipitation method showed excellent activity, N-2 selectivity and H2O/SO2 durability in the selective catalytic reduction (SCR) of NO with NH3. The influence of precursors and preparation methods on the catalyst structure and activity was comprehensively investigated. Iron titanate catalyst prepared using titanium sulfate as Ti precursor was favorable for the high activity and selectivity, comparing with that using titanium tetrachloride as precursor and Fe2O3/TiO2 loaded type catalyst. Especially, the best iron titanate catalyst showed good activity in a temperature window of 200-350 degrees C with the NOx conversion above 90% in the absence of H2O, which was 50-150 degrees C lower than those of other known Fe-based catalysts. Iron titanate crystallite with specific Fe-O-Ti structure was found to be the main active phase. The interaction between iron and titanium species in atomic scale led to an enhancement of oxidative ability of Fe3+, which was beneficial to the SCR reaction. (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: LOW-TEMPERATURE SCR ;  NITRIC-OXIDE ;  EXTRAFRAMEWORK IRON ;  TIO2-PILLARED CLAY ;  DENO(X) CATALYSTS ;  SULFATED TITANIA ;  NITROGEN-OXIDES ;  FE-SILICALITE ;  AMMONIA SCR ;  RAMAN
语种: 英语
WOS记录号: WOS:000277847300018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142160
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, Ecoenvironm Sci Res Ctr, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

Recommended Citation:
Liu, Fudong,He, Hong,Zhang, Changbin,et al. Selective catalytic reduction of NO with NH3 over iron titanate catalyst: Catalytic performance and characterization[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2010,96(3-4):408-420.
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