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A Synergistic Effect of Potassium and Transition Metal Compounds on the Catalytic Behaviour of Hydrolysis Lignin in CO 2 -Assisted Gasification

Author

Listed:
  • Artem A. Medvedev

    (Chemistry Department, Moscow State University, 119992 Moscow, Russia
    N. D. Zelinsky Institute of Organic Chemistry RAS, 119991 Moscow, Russia
    EOR Department, Scientific and Technological Center, VNIIneft JSC, 127422 Moscow, Russia)

  • Alexander L. Kustov

    (Chemistry Department, Moscow State University, 119992 Moscow, Russia
    N. D. Zelinsky Institute of Organic Chemistry RAS, 119991 Moscow, Russia
    Laboratory of Nanochemistry and Ecology, Institute of Ecotechnologies, National University of Science and Technology MISIS, 119071 Moscow, Russia)

  • Daria A. Beldova

    (Chemistry Department, Moscow State University, 119992 Moscow, Russia
    N. D. Zelinsky Institute of Organic Chemistry RAS, 119991 Moscow, Russia)

  • Svetlana B. Polikarpova

    (N.V. Sklifosovskiy Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia)

  • Valeriy E. Ponomarev

    (N.V. Sklifosovskiy Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia)

  • Elena V. Murashova

    (Chemistry Department, Moscow State University, 119992 Moscow, Russia)

  • Pavel V. Sokolovskiy

    (Chemistry Department, Moscow State University, 119992 Moscow, Russia
    N. D. Zelinsky Institute of Organic Chemistry RAS, 119991 Moscow, Russia)

  • Leonid M. Kustov

    (Chemistry Department, Moscow State University, 119992 Moscow, Russia
    N. D. Zelinsky Institute of Organic Chemistry RAS, 119991 Moscow, Russia
    Laboratory of Nanochemistry and Ecology, Institute of Ecotechnologies, National University of Science and Technology MISIS, 119071 Moscow, Russia)

Abstract

CO 2 -assisted gasification of carbon-based waste materials is one of the processes that both utilises waste carbon chemicals and produces CO, which is a highly sought after raw material. In this work, we aimed at finding and clarifying the synergistic effects of simultaneous potassium and Fe, Co, or Ni-driven catalysis. To reveal the behaviour of such systems, a series with different potassium loadings and a fixed second metal loading of 5 wt.% was prepared. The following methods were applied for this purpose: SEM, TEM, EDX, XRD, electron diffraction, and catalytic tests. The most active sample was found to be 3 wt.% K and 5 wt.% Co- or Fe-loaded hydrolysis lignin. The attained CO 2 conversion was up to 92%, while the pure lignin sample demonstrated only 62% conversion under the same conditions.

Suggested Citation

  • Artem A. Medvedev & Alexander L. Kustov & Daria A. Beldova & Svetlana B. Polikarpova & Valeriy E. Ponomarev & Elena V. Murashova & Pavel V. Sokolovskiy & Leonid M. Kustov, 2023. "A Synergistic Effect of Potassium and Transition Metal Compounds on the Catalytic Behaviour of Hydrolysis Lignin in CO 2 -Assisted Gasification," Energies, MDPI, vol. 16(11), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:11:p:4335-:d:1156065
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