Reaction and Characterization of Low-Temperature Effect of Transition Nanostructure Metal Codoped SCR Catalyst
Typical p-type semiconductor MnOx codoped with n-type semiconductors such as CeO2 and V2O5 was reported to achieve high efficiency in catalytic NOx removal by NH3. In this paper, we present novel Mn-Ce codoped V2O5/TiO2 catalyst which exhibited an excellent NO conversion efficiency of 90% at 140°C....
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| Veröffentlicht in: | Journal of nanomaterials 2017-01, Vol.2017 (2017), p.1-10 |
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| container_title | Journal of nanomaterials |
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| creator | Cai, Lulu Pu, Peng Cao, Li Guo, Hao Luo, Yan Bai, Jiaojiao Xu, Quan Xiao, Weiwei Yang, Ke Cai, Wei |
| description | Typical p-type semiconductor MnOx codoped with n-type semiconductors such as CeO2 and V2O5 was reported to achieve high efficiency in catalytic NOx removal by NH3. In this paper, we present novel Mn-Ce codoped V2O5/TiO2 catalyst which exhibited an excellent NO conversion efficiency of 90% at 140°C. By using this codoped catalyst, the best low-temperature activity was greatly decreased when compared with single Mn- or Ce-doped catalyst. According to the characterization results from BET, XRD, and XPS, the codoped catalyst was composed of both CeO2 and amorphous Mn. The electron circulation formed between doping elements is believed to promote the electron transfer, which may be one of the reasons for excellent low-temperature denitration performance. |
| doi_str_mv | 10.1155/2017/7901686 |
| format | Article |
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In this paper, we present novel Mn-Ce codoped V2O5/TiO2 catalyst which exhibited an excellent NO conversion efficiency of 90% at 140°C. By using this codoped catalyst, the best low-temperature activity was greatly decreased when compared with single Mn- or Ce-doped catalyst. According to the characterization results from BET, XRD, and XPS, the codoped catalyst was composed of both CeO2 and amorphous Mn. The electron circulation formed between doping elements is believed to promote the electron transfer, which may be one of the reasons for excellent low-temperature denitration performance.</description><identifier>ISSN: 1687-4110</identifier><identifier>EISSN: 1687-4129</identifier><identifier>DOI: 10.1155/2017/7901686</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Catalysis ; Catalysts ; Catalytic oxidation ; Chemistry ; Denitration ; Electron transfer ; Emissions ; Flue gas ; Gases ; Industrial plant emissions ; Laboratories ; Low temperature ; Methods ; N-type semiconductors ; Nanomaterials ; Nitrates ; Outdoor air quality ; P-type semiconductors ; Temperature effects ; Titanium oxides ; Vanadium pentoxide ; X ray photoelectron spectroscopy</subject><ispartof>Journal of nanomaterials, 2017-01, Vol.2017 (2017), p.1-10</ispartof><rights>Copyright © 2017 Ke Yang et al.</rights><rights>Copyright © 2017 Ke Yang et al.; This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c397t-25be355680d0052647c949a070d2c72a9aee320ac7e64df1e92002b2eeb8c56e3</citedby><cites>FETCH-LOGICAL-c397t-25be355680d0052647c949a070d2c72a9aee320ac7e64df1e92002b2eeb8c56e3</cites><orcidid>0000-0003-4499-2630 ; 0000-0002-5678-1112 ; 0000-0001-5692-6337 ; 0000-0003-2195-2513</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><contributor>Gao, Jinwei</contributor><creatorcontrib>Cai, Lulu</creatorcontrib><creatorcontrib>Pu, Peng</creatorcontrib><creatorcontrib>Cao, Li</creatorcontrib><creatorcontrib>Guo, Hao</creatorcontrib><creatorcontrib>Luo, Yan</creatorcontrib><creatorcontrib>Bai, Jiaojiao</creatorcontrib><creatorcontrib>Xu, Quan</creatorcontrib><creatorcontrib>Xiao, Weiwei</creatorcontrib><creatorcontrib>Yang, Ke</creatorcontrib><creatorcontrib>Cai, Wei</creatorcontrib><title>Reaction and Characterization of Low-Temperature Effect of Transition Nanostructure Metal Codoped SCR Catalyst</title><title>Journal of nanomaterials</title><description>Typical p-type semiconductor MnOx codoped with n-type semiconductors such as CeO2 and V2O5 was reported to achieve high efficiency in catalytic NOx removal by NH3. 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| subjects | Catalysis Catalysts Catalytic oxidation Chemistry Denitration Electron transfer Emissions Flue gas Gases Industrial plant emissions Laboratories Low temperature Methods N-type semiconductors Nanomaterials Nitrates Outdoor air quality P-type semiconductors Temperature effects Titanium oxides Vanadium pentoxide X ray photoelectron spectroscopy |
| title | Reaction and Characterization of Low-Temperature Effect of Transition Nanostructure Metal Codoped SCR Catalyst |
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