1 Ocak 2013 Dergi makalesi Açık Erişim

Vu Thi Thu Ha; Sarioglan, Alper; Erdem-Senatalar, Ayse; Ben Taarit, Younes

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/89341</identifier>
  <creators>
    <creator>
      <creatorName>Vu Thi Thu Ha</creatorName>
      <affiliation>Inst Rech Catalyse, CNRS, F-69626 Villeurbanne, France</affiliation>
    </creator>
    <creator>
      <creatorName>Sarioglan, Alper</creatorName>
      <givenName>Alper</givenName>
      <familyName>Sarioglan</familyName>
      <affiliation>TUBITAK Marmara Res Ctr, Energy Inst, TR-41470 Gebze, Kocaeli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Erdem-Senatalar, Ayse</creatorName>
      <givenName>Ayse</givenName>
      <familyName>Erdem-Senatalar</familyName>
      <affiliation>Istanbul Tech Univ, Dept Chem Engn, TR-34469 Istanbul, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Ben Taarit, Younes</creatorName>
      <givenName>Younes</givenName>
      <familyName>Ben Taarit</familyName>
      <affiliation>Inst Rech Catalyse, CNRS, F-69626 Villeurbanne, France</affiliation>
    </creator>
  </creators>
  <titles>
    <title>An Epr And Nmr Study On Mo/Hzsm-5 Catalysts For The Aromatization Of Methane: Investigation Of The Location Of The Pentavalent Molybdenum</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2013</publicationYear>
  <dates>
    <date dateType="Issued">2013-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/89341</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.molcata.2013.06.020</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">EPR and Al-27 NMR were used to probe the nature of the phases that formed during the conversion of methane at high temperature on the Mo/HZSM-5 catalyst. It was shown that ammonium 6-molybdoaluminate III supported over silica gave rise, when reduced, to an EPR signal due to Mo5+ ions with the odd electron interacting with the nonzero nuclear spin of aluminum in much the same way as in HZSM-5. Therefore, the occurrence of this particular spin interaction should not be taken as evidence of the location of the Mo5+ ions at the exchange sites of the zeolites. Rather, combined Al-27 NMR and EPR investigation of the reduction of a pure polycrystalline aluminum molybdate suggested that the observed signal in the case of the zeolite composite catalyst was due to Mo5+ ions formed within the Al-2(MoO4)(3) extra phase that formed upon dealumination of the zeolite in the presence of molybdenum. (c) 2013 Elsevier B.V. All rights reserved.</description>
  </descriptions>
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