Topics in Catalysis

, 54:1266 | Cite as

Li-doped MgO From Different Preparative Routes for the Oxidative Coupling of Methane

  • S. Arndt
  • U. Simon
  • S. Heitz
  • A. Berthold
  • B. Beck
  • O. Görke
  • J. -D. Epping
  • T. Otremba
  • Y. Aksu
  • E. Irran
  • G. Laugel
  • M. Driess
  • H. Schubert
  • R. Schomäcker
Original Paper


Li-doped MgO was prepared on different preparative routes and with different loadings. The catalytic activity was found to decay for all catalysts for 40 h time on stream. A detailed structural analysis of 0.5 wt% Li-doped MgO showed heavy losses of Li, reduced surface area and grain growth. A correlation between these factors and the deactivation could not be found. The reaction temperature and the flow rate were found to be the main deactivation parameters.


Li/MgO [Li+OOxidative coupling of methane OCM Wet impregnation Precipitation Single source precursors Mixed milling Deactivation 



Atomic absorption spectroscopy


Brunauer Emmett Teller


Electron nuclear double resonance spectroscopy


Electron paramagnetic resonance


Electron spin resonance


Electron volt


Flame ionisation detector


Full width at half height


Magic angle spinning


Nuclear magnetic resonance spectroscopy


Oxidative coupling of methane


Plug flow tubular reactor




Scanning electron microscopy


Thermal conductivity detector


Transmission electron microscopy


Two pulse phase modulation




X-ray diffraction



We would like to thank the Deutsche Forschungsgemeinschaft for funding the Excellence Cluster “Unicat” (Unifying Concepts in Catalysis) and the IMPRS (International Max Planck Research School) of the Fritz Haber Institute of the Max Planck Society for financial support. We are also obliged to Mr. Axel Schiele and the workshop for their support with the equipment. We thank Dr. Traugott Scheytt and his team for the performance of the AAS analysis and Dr. Nakhal for the H2S pretreatment of the Li/MgO catalyst. We are indepted to Dr. Thomas Risse and Dr. Raimund Horn for their valuable advice. We also thank our apprentices Mrs. Anna Paliszewska and Mr. Domenic Jelinski, for their support with the sample preparation and analysation. We would like to thank Prof. Dr. Arne Thomas for the permission to use his multi-sampling XRD machine and Dr. Kamalakannan Kailasam for the XRD experiments. We thank the Helmholtz Center, Berlin for the permission to use their electron microscope. We thank also the ZELMI (Zentrales Laboratorium für Elektronenmikroskopie, TU, Berlin) for TEM analyses.


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • S. Arndt
    • 1
  • U. Simon
    • 2
  • S. Heitz
    • 1
  • A. Berthold
    • 2
  • B. Beck
    • 1
  • O. Görke
    • 2
  • J. -D. Epping
    • 1
  • T. Otremba
    • 1
  • Y. Aksu
    • 1
  • E. Irran
    • 1
  • G. Laugel
    • 1
  • M. Driess
    • 1
  • H. Schubert
    • 2
  • R. Schomäcker
    • 1
  1. 1.Institut für ChemieTechnische Universität BerlinBerlinGermany
  2. 2.Institut für WerkstoffwissenschaftenTechnische Universität BerlinBerlinGermany

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