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Formic Acid as a Hydrogen Donor for Catalytic Transformations of Tar

Author

Listed:
  • Vladimir V. Chesnokov

    (Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia)

  • Pavel P. Dik

    (Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia)

  • Aleksandra S. Chichkan

    (Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia)

Abstract

Specific features of the catalytic tar cracking in the presence of formic acid, BEA zeolite and 8% Ni-2.5% Mo/Sibunit catalyst were studied at 350 °C and 1.0 MPa pressure. The obtained results evidenced that formic acid can be used as a hydrogen donor during catalytic reactions. The formic acid addition made it possible to perform efficient hydrocracking of heavy feed such as tar. It was found that both the tar conversion and selectivity to light (gasoline-diesel) fractions grew in the sequence: tar < (tar - formic acid) < (tar - formic acid - BEA zeolite) < (tar - formic acid - BEA zeolite - 8% Ni-2.5% Mo/Sibunit catalyst). Furthermore, significantly lower concentrations of impurities containing sulfur and nitrogen were observed for the (tar - formic acid - BEA zeolite - 8% Ni-2.5% Mo/Sibunit catalyst) system. For example, the sulfur and nitrogen concentrations in the tar precursor were 1.50% and 0.86%, respectively. Meanwhile, their concentrations in the liquid products after the catalytic cracking were 0.73% and 0.18%, respectively.

Suggested Citation

  • Vladimir V. Chesnokov & Pavel P. Dik & Aleksandra S. Chichkan, 2020. "Formic Acid as a Hydrogen Donor for Catalytic Transformations of Tar," Energies, MDPI, vol. 13(17), pages 1-12, September.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:17:p:4515-:d:407052
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    Citations

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    Cited by:

    1. Vladimir V. Chesnokov & Pavel P. Dik, 2023. "The Effect of Carbon Nanofibers on the Hydrocracking of Vacuum Residue in the Presence of Formic Acid," Energies, MDPI, vol. 16(18), pages 1-15, September.
    2. Dmitri A. Bulushev, 2021. "Progress in Catalytic Hydrogen Production from Formic Acid over Supported Metal Complexes," Energies, MDPI, vol. 14(5), pages 1-14, March.

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