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The Direct Catalytic Oxidation of Methane to Methanol-A Critical Assessment.

Manoj RaviMarco RanocchiariJeroen Anton van Bokhoven
Published in: Angewandte Chemie (International ed. in English) (2017)
Despite the large number of disparate approaches for the direct selective partial oxidation of methane, none of them has translated into an industrial process. The oxidation of methane to methanol is a difficult, but intriguing and rewarding, task as it has the potential to eliminate the prevalent natural gas flaring by providing novel routes to its valorization. This Review considers the synthesis of methanol and methanol derivatives from methane by homogeneous and heterogeneous pathways. By establishing the severe limitations related to the direct catalytic synthesis of methanol from methane, we highlight the vastly superior performance of systems which produce methanol derivatives or incorporate specific measures, such as the use of multicomponent catalysts to stabilize methanol. We thereby identify methanol protection as being indispensable for future research on homogeneous and heterogeneous catalysis.
Keyphrases
  • carbon dioxide
  • anaerobic digestion
  • hydrogen peroxide
  • risk assessment
  • nitric oxide
  • heavy metals
  • current status
  • structure activity relationship