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Topics in Catalysis

, Volume 38, Issue 1–3, pp 211–220 | Cite as

LaCl3-based catalysts for oxidative chlorination of CH4

  • Elvira Peringer
  • Simon G. Podkolzin
  • Mark E. Jones
  • Roberta Olindo
  • Johannes A. Lercher
Article

LaCl3 is an active, selective and stable catalyst for oxidative chlorination of methane to methyl chloride. Selective conversion to methyl chloride can be achieved by limiting methane conversion, for example, by using an excess of methane in the feed. Methylene chloride and carbon monoxide are the main side products at higher methane conversion levels. Transient OCl anion, formed by oxidation of Cl in LaOCl and LaCl3 with molecular oxygen, is proposed to be the active site for the initial step of methane activation. CO x formation is proposed to proceed through the formation of adsorbed multiply substituted chloromethanes.

Keywords

methane oxidative chlorination hypochlorite anion LaCl3 LaOCl methane selective activation 

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • Elvira Peringer
    • 1
  • Simon G. Podkolzin
    • 2
  • Mark E. Jones
    • 2
  • Roberta Olindo
    • 1
  • Johannes A. Lercher
    • 1
  1. 1.Department of ChemistryTechnische Universität MünchenGarchingGermany
  2. 2.The Dow Chemical CompanyCore Research and DevelopmentMidlandUSA

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