Synergetic catalysis of ceria and titania for selective reduction of NO
The promotional effect of the interaction between titania and ceria on the catalytic performance for selective reduction of NO was studied.The catalysts,CeO 2,TiO 2,CeO 2 /TiO 2 and Ti x Ce 1-x O 2,were synthesized and tested in NH 3-Selective catalytic reduction（SCR） of NO,and the samples were char...
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| Veröffentlicht in: | Journal of rare earths 2012-05, Vol.30 (5), p.431-436 |
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| creator | 沈岳松 郑大海 杨波 倪松波 祝社民 |
| description | The promotional effect of the interaction between titania and ceria on the catalytic performance for selective reduction of NO was studied.The catalysts,CeO 2,TiO 2,CeO 2 /TiO 2 and Ti x Ce 1-x O 2,were synthesized and tested in NH 3-Selective catalytic reduction（SCR） of NO,and the samples were characterized by the Brunaller,Emmett and Teller（BET absorbed gas N 2）,X-ray diffraction（XRD）,high resolution transmission electron microscopy（HR-TEM）,and temperature programmed desorption（TPD NH 3） techniques.The improvement mechanism of the interaction between the titania and ceria had been explored and discussed from two aspects of micro-structure and surface acidity.The interaction between the titania and ceria greatly improved the catalytic activity but had little effect on the active temperature.It was first reported that the acid amount determined the catalytic activity and the acid strength determined the active temperature for NH 3-SCR of NO. |
| doi_str_mv | 10.1016/S1002-0721(12)60067-2 |
| format | Article |
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explored and discussed from two aspects of micro-structure and surface acidity.The interaction between the titania and ceria greatly improved the catalytic activity but had little effect on the active temperature.It was first reported that the acid amount determined the catalytic activity and the acid strength determined the active temperature for NH 3-SCR of NO.</description><identifier>ISSN: 1002-0721</identifier><identifier>EISSN: 2509-4963</identifier><identifier>DOI: 10.1016/S1002-0721(12)60067-2</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Catalysis ; Catalysts ; Catalytic activity ; Cerium oxide ; Diffraction ; interaction between ceria and titania ; NO conversion ; Rare earth metals ; rare earths ; Reduction ; selective catalytic reduction ; synergetic catalysis ; Titanium dioxide ; 二氧化钛 ; 催化性能 ; 氧化铈 ; 相互作用机制 ; 选择性催化还原 ; 选择性还原 ; 高分辨透射电子显微镜</subject><ispartof>Journal of rare earths, 2012-05, Vol.30 (5), p.431-436</ispartof><rights>2012 The 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between titania and ceria on the catalytic performance for selective reduction of NO was studied.The catalysts,CeO 2,TiO 2,CeO 2 /TiO 2 and Ti x Ce 1-x O 2,were synthesized and tested in NH 3-Selective catalytic reduction（SCR） of NO,and the samples were characterized by the Brunaller,Emmett and Teller（BET absorbed gas N 2）,X-ray diffraction（XRD）,high resolution transmission electron microscopy（HR-TEM）,and temperature programmed desorption（TPD NH 3） techniques.The improvement mechanism of the interaction between the titania and ceria had been explored and discussed from two aspects of micro-structure and surface acidity.The interaction between the titania and ceria greatly improved the catalytic activity but had little effect on the active temperature.It was first reported that the acid amount determined the catalytic activity and the acid strength determined the active temperature for NH 3-SCR of NO.</description><subject>Catalysis</subject><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Cerium oxide</subject><subject>Diffraction</subject><subject>interaction between ceria and titania</subject><subject>NO conversion</subject><subject>Rare earth metals</subject><subject>rare earths</subject><subject>Reduction</subject><subject>selective catalytic reduction</subject><subject>synergetic catalysis</subject><subject>Titanium dioxide</subject><subject>二氧化钛</subject><subject>催化性能</subject><subject>氧化铈</subject><subject>相互作用机制</subject><subject>选择性催化还原</subject><subject>选择性还原</subject><subject>高分辨透射电子显微镜</subject><issn>1002-0721</issn><issn>2509-4963</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkMlOwzAQhi0EEmV5BKRwK4fAeE18QgixSRU9AGfLsSfFKDhgp5X69qQU9cpp_sO_aD5CzihcUqDq6oUCsBIqRqeUXSgAVZVsj0yYBF0Krfg-mewsh-Qo5w8AXkkNE_Lwso6YFjgEVzg72G6dQy76tnCYgi1s9MUQBhtH3fapyNihG8IKi4R-Oao-bszP8xNy0Nou4-nfPSZv93evt4_lbP7wdHszKx1X9VByrUULAJY3teYghG44WOlpi9zXErwSwrtGNUw1VEovrUBVKYa1Fk3NGn5Mptver9R_LzEP5jNkh11nI_bLbChXknIGXIxWubW61OecsDVfKXzatDYUzAac-QVnNlQMZeYXnGFj7nqbw_GPVcBksgsYHfqQxueN78O_Ded_y-99XHyHuNhNC0YVaK35D3gsfuc</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>沈岳松 郑大海 杨波 倪松波 祝社民</creator><general>Elsevier 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reduction</topic><topic>synergetic catalysis</topic><topic>Titanium dioxide</topic><topic>二氧化钛</topic><topic>催化性能</topic><topic>氧化铈</topic><topic>相互作用机制</topic><topic>选择性催化还原</topic><topic>选择性还原</topic><topic>高分辨透射电子显微镜</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>沈岳松 郑大海 杨波 倪松波 祝社民</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of rare earths</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>沈岳松 郑大海 杨波 倪松波 祝社民</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synergetic catalysis of ceria and titania for selective reduction of NO</atitle><jtitle>Journal of rare earths</jtitle><addtitle>Journal of Rare Earths</addtitle><date>2012-05-01</date><risdate>2012</risdate><volume>30</volume><issue>5</issue><spage>431</spage><epage>436</epage><pages>431-436</pages><issn>1002-0721</issn><eissn>2509-4963</eissn><abstract>The promotional effect of the interaction between titania and ceria on the catalytic performance for selective reduction of NO was studied.The catalysts,CeO 2,TiO 2,CeO 2 /TiO 2 and Ti x Ce 1-x O 2,were synthesized and tested in NH 3-Selective catalytic reduction（SCR） of NO,and the samples were characterized by the Brunaller,Emmett and Teller（BET absorbed gas N 2）,X-ray diffraction（XRD）,high resolution transmission electron microscopy（HR-TEM）,and temperature programmed desorption（TPD NH 3） techniques.The improvement mechanism of the interaction between the titania and ceria had been explored and discussed from two aspects of micro-structure and surface acidity.The interaction between the titania and ceria greatly improved the catalytic activity but had little effect on the active temperature.It was first reported that the acid amount determined the catalytic activity and the acid strength determined the active temperature for NH 3-SCR of NO.</abstract><pub>Elsevier B.V</pub><doi>10.1016/S1002-0721(12)60067-2</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of rare earths, 2012-05, Vol.30 (5), p.431-436 |
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| subjects | Catalysis Catalysts Catalytic activity Cerium oxide Diffraction interaction between ceria and titania NO conversion Rare earth metals rare earths Reduction selective catalytic reduction synergetic catalysis Titanium dioxide 二氧化钛 催化性能 氧化铈 相互作用机制 选择性催化还原 选择性还原 高分辨透射电子显微镜 |
| title | Synergetic catalysis of ceria and titania for selective reduction of NO |
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