Selective catalytic reduction of nitrogen monoxide with methane over impregnated In/HZSM-5 in the presence of excess oxygen
Identifieur interne : 000023 ( Main/Exploration ); précédent : 000022; suivant : 000024Selective catalytic reduction of nitrogen monoxide with methane over impregnated In/HZSM-5 in the presence of excess oxygen
Auteurs : RBID : ISTEX:10562_1996_Article_BF00807453.pdfEnglish descriptors
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Abstract
In/HZSM-5 catalyst prepared by the impregnation method was active for NO reduction with methane. Complete reduction of NO was obtained at 450°C over an In/HZSM-5 catalyst. The presence of oxygen in the feed greatly enhanced the NO reduction activity of In/HZSM-5. Co/HZSM-5 and Ga/HZSM-5 were less effective than In/HZSM-5. Cu/HZSM-5, In/Na-ZSM-5 and In2O3/Al2O3 were ineffective for NO reduction with CH4. The NO reduction activity was proportional to the level of indium impregnated onto HZSM-5 but excess amounts of indium were detrimental to the catalytic activity. Phase analysis by XRD measurements demonstrated that there was a threshold value in the indium content, i.e., the maximum dispersion capacity of indium oxides. It is concluded that highly dispersed indium species are the active centers for the selective catalytic reduction of NO with CH4.
DOI: 10.1007/BF00807453
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<record><TEI><teiHeader><fileDesc><titleStmt><title>Selective catalytic reduction of nitrogen monoxide with methane over impregnated In/HZSM-5 in the presence of excess oxygen</title><author><name>Xianjie Zhou</name><affiliation wicri:level="1"><mods:affiliation>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, PR China</mods:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian</wicri:regionArea><wicri:noRegion>Dalian</wicri:noRegion></affiliation></author><author><name>Tao Zhang</name><affiliation wicri:level="1"><mods:affiliation>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, PR China</mods:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian</wicri:regionArea><wicri:noRegion>Dalian</wicri:noRegion></affiliation></author><author><name>Zhusheng Xu</name><affiliation wicri:level="1"><mods:affiliation>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, PR China</mods:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian</wicri:regionArea><wicri:noRegion>Dalian</wicri:noRegion></affiliation></author><author><name>Liwu Lin</name><affiliation wicri:level="1"><mods:affiliation>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, PR China</mods:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian</wicri:regionArea><wicri:noRegion>Dalian</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="RBID">ISTEX:10562_1996_Article_BF00807453.pdf</idno><date when="1996">1996</date><idno type="doi">10.1007/BF00807453</idno><idno type="wicri:Area/Main/Corpus">000442</idno><idno type="wicri:Area/Main/Curation">000442</idno><idno type="wicri:Area/Main/Exploration">000023</idno></publicationStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Indium (In)</term><term>Methane (CH4)</term><term>Nitrogen oxide (NO)</term><term>Selective catalytic reduction (SCR)</term><term>X-ray diffraction (XRD)</term><term>ZSM-5</term><term>Zeolite</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">In/HZSM-5 catalyst prepared by the impregnation method was active for NO reduction with methane. Complete reduction of NO was obtained at 450°C over an In/HZSM-5 catalyst. The presence of oxygen in the feed greatly enhanced the NO reduction activity of In/HZSM-5. Co/HZSM-5 and Ga/HZSM-5 were less effective than In/HZSM-5. Cu/HZSM-5, In/Na-ZSM-5 and In2O3/Al2O3 were ineffective for NO reduction with CH4. The NO reduction activity was proportional to the level of indium impregnated onto HZSM-5 but excess amounts of indium were detrimental to the catalytic activity. Phase analysis by XRD measurements demonstrated that there was a threshold value in the indium content, i.e., the maximum dispersion capacity of indium oxides. It is concluded that highly dispersed indium species are the active centers for the selective catalytic reduction of NO with CH4.</div></front></TEI><mods xsi:schemaLocation="http://www.loc.gov/mods/v3 file:///applis/istex/home/loadistex/home/etc/xsd/mods.xsd" version="3.4" istexId="4cb614197009c454a175b2e9339f50a030f0f496"><titleInfo lang="eng"><title>Selective catalytic reduction of nitrogen monoxide with methane over impregnated In/HZSM-5 in the presence of excess oxygen</title></titleInfo><name type="personal"><namePart type="given">Xianjie</namePart><namePart type="family">Zhou</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, PR China</affiliation></name><name type="personal"><namePart type="given">Tao</namePart><namePart type="family">Zhang</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, PR China</affiliation></name><name type="personal"><namePart type="given">Zhusheng</namePart><namePart type="family">Xu</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, PR China</affiliation></name><name type="personal"><namePart type="given">Liwu</namePart><namePart type="family">Lin</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Laboratory of Catalysis by Metals and New Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, PR China</affiliation></name><typeOfResource>text</typeOfResource><genre>Original Paper</genre><originInfo><publisher>Baltzer Science Publishers, Baarn/Kluwer Academic Publishers, Dordrecht</publisher><dateCreated encoding="w3cdtf">1996-01-18</dateCreated><dateCaptured encoding="w3cdtf">1996-04-05</dateCaptured><dateValid encoding="w3cdtf">2004-11-28</dateValid><copyrightDate encoding="w3cdtf">1996</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="eng">In/HZSM-5 catalyst prepared by the impregnation method was active for NO reduction with methane. Complete reduction of NO was obtained at 450°C over an In/HZSM-5 catalyst. The presence of oxygen in the feed greatly enhanced the NO reduction activity of In/HZSM-5. Co/HZSM-5 and Ga/HZSM-5 were less effective than In/HZSM-5. Cu/HZSM-5, In/Na-ZSM-5 and In2O3/Al2O3 were ineffective for NO reduction with CH4. The NO reduction activity was proportional to the level of indium impregnated onto HZSM-5 but excess amounts of indium were detrimental to the catalytic activity. Phase analysis by XRD measurements demonstrated that there was a threshold value in the indium content, i.e., the maximum dispersion capacity of indium oxides. It is concluded that highly dispersed indium species are the active centers for the selective catalytic reduction of NO with CH4.</abstract><subject lang="eng"><genre>Keywords</genre><topic>nitrogen oxide (NO)</topic><topic>X-ray diffraction (XRD)</topic><topic>indium (In)</topic><topic>methane (CH4)</topic><topic>selective catalytic reduction (SCR)</topic><topic>zeolite</topic><topic>ZSM-5</topic></subject><relatedItem type="series"><titleInfo type="abbreviated"><title>Catal Lett</title></titleInfo><titleInfo><title>Catalysis Letters</title><partNumber>Year: 1996</partNumber><partNumber>Volume: 40</partNumber><partNumber>Number: 1-2</partNumber></titleInfo><genre>Archive Journal</genre><originInfo><dateIssued encoding="w3cdtf">1996-03-01</dateIssued><copyrightDate encoding="w3cdtf">1996</copyrightDate></originInfo><subject usage="primary"><topic>Chemistry</topic><topic>Physical Chemistry</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Catalysis</topic><topic>Pharmacy</topic></subject><identifier type="issn">1011-372X</identifier><identifier type="issn">Electronic: 1572-879X</identifier><identifier type="matrixNumber">10562</identifier><identifier type="local">IssueArticleCount: 22</identifier><recordInfo><recordOrigin>J.C. Baltzer AG, Science Publishers, 1996</recordOrigin></recordInfo></relatedItem><identifier type="doi">10.1007/BF00807453</identifier><identifier type="matrixNumber">Art6</identifier><identifier type="local">BF00807453</identifier><accessCondition type="use and reproduction">MetadataGrant: OpenAccess</accessCondition><accessCondition type="use and reproduction">AbstractGrant: OpenAccess</accessCondition><accessCondition type="restriction on access">BodyPDFGrant: Restricted</accessCondition><accessCondition type="restriction on access">BodyHTMLGrant: Restricted</accessCondition><accessCondition type="restriction on access">BibliographyGrant: Restricted</accessCondition><accessCondition type="restriction on access">ESMGrant: Restricted</accessCondition><part><extent unit="pages"><start>35</start><end>38</end></extent></part><recordInfo><recordOrigin>J.C. Baltzer AG, Science Publishers, 1996</recordOrigin><recordIdentifier>10562_1996_Article_BF00807453.pdf</recordIdentifier></recordInfo></mods></record>Pour manipuler ce document sous Unix (Dilib)
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