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Selective catalytic two-step process for ethylene glycol from carbon monoxide

Author

Listed:
  • Kaiwu Dong

    (Leibniz-Institut für Katalyse e.V. an der Universität Rostock)

  • Saravanakumar Elangovan

    (Leibniz-Institut für Katalyse e.V. an der Universität Rostock)

  • Rui Sang

    (Leibniz-Institut für Katalyse e.V. an der Universität Rostock)

  • Anke Spannenberg

    (Leibniz-Institut für Katalyse e.V. an der Universität Rostock)

  • Ralf Jackstell

    (Leibniz-Institut für Katalyse e.V. an der Universität Rostock)

  • Kathrin Junge

    (Leibniz-Institut für Katalyse e.V. an der Universität Rostock)

  • Yuehui Li

    (Leibniz-Institut für Katalyse e.V. an der Universität Rostock
    State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences)

  • Matthias Beller

    (Leibniz-Institut für Katalyse e.V. an der Universität Rostock)

Abstract

Upgrading C1 chemicals (for example, CO, CO/H2, MeOH and CO2) with C–C bond formation is essential for the synthesis of bulk chemicals. In general, these industrially important processes (for example, Fischer Tropsch) proceed at drastic reaction conditions (>250 °C; high pressure) and suffer from low selectivity, which makes high capital investment necessary and requires additional purifications. Here, a different strategy for the preparation of ethylene glycol (EG) via initial oxidative coupling and subsequent reduction is presented. Separating coupling and reduction steps allows for a completely selective formation of EG (99%) from CO. This two-step catalytic procedure makes use of a Pd-catalysed oxycarbonylation of amines to oxamides at room temperature (RT) and subsequent Ru- or Fe-catalysed hydrogenation to EG. Notably, in the first step the required amines can be efficiently reused. The presented stepwise oxamide-mediated coupling provides the basis for a new strategy for selective upgrading of C1 chemicals.

Suggested Citation

  • Kaiwu Dong & Saravanakumar Elangovan & Rui Sang & Anke Spannenberg & Ralf Jackstell & Kathrin Junge & Yuehui Li & Matthias Beller, 2016. "Selective catalytic two-step process for ethylene glycol from carbon monoxide," Nature Communications, Nature, vol. 7(1), pages 1-7, November.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12075
    DOI: 10.1038/ncomms12075
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    Cited by:

    1. Rong Xia & Ruoyu Wang & Bjorn Hasa & Ahryeon Lee & Yuanyue Liu & Xinbin Ma & Feng Jiao, 2023. "Electrosynthesis of ethylene glycol from C1 feedstocks in a flow electrolyzer," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Liu, Chenglin & Zhao, Lei & Zhu, Shun & Shen, Yuefeng & Yu, Jianhua & Yang, Qingchun, 2023. "Advanced exergy analysis and optimization of a coal to ethylene glycol (CtEG) process," Energy, Elsevier, vol. 282(C).

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