A single step methane conversion into synthetic fuels using microplasma reactor

Tomohiro Nozaki, A. Agiral, Johannes G.E. Gardeniers, Shuhei Yuzawa, Ken Okazaki

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84 Citations (Scopus)
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Direct conversion of natural gas into synthetic fuels such as methanol attracts keen attention because direct process can reduce capital and operating costs of high temperature, energy intensive, multi-step processes. We report a direct and selective synthesis of organic oxygenates such as methanol, formaldehyde, and formic acid via methane partial oxidation at room temperature using non-thermal discharge microreactor. Heat generated by methane partial oxidation is removed efficiently in the microreactor configuration: liquid components are condensed on the reactor wall and separated from O2-rich reactive plasma, enabling selective synthesis of oxygenates while high methane conversion is achieved in a single reactor. As a result, organic oxygenates were synthesized with one-pass yield of 5–20% with 70–30% selectivity. In addition to oxygenates, syngas was produced with selectivity of 40% and H2/CO = 1. Assuming one step catalytic DME synthesis as a post-discharge process, one-pass liquid yield of 30% with 80% selectivity is feasible
Original languageEnglish
Pages (from-to)288-293
Number of pages6
JournalChemical Engineering Journal
Issue number1
Publication statusPublished - 2011


  • IR-94204
  • METIS-280285


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