Carbon Dioxide Assisted Conversion of Hydrolysis Lignin Catalyzed by Nickel Compounds

Artem A. Medvedev, Daria A. Beldova, Konstantin B. Kalmykov, Alexey V. Kravtsov, Marina A. Tedeeva, Leonid M. Kustov (), Sergey F. Dunaev and Alexander L. Kustov
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Artem A. Medvedev: Chemistry Department, Moscow State University, 119992 Moscow, Russia
Daria A. Beldova: Chemistry Department, Moscow State University, 119992 Moscow, Russia
Konstantin B. Kalmykov: Chemistry Department, Moscow State University, 119992 Moscow, Russia
Alexey V. Kravtsov: Chemistry Department, Moscow State University, 119992 Moscow, Russia
Marina A. Tedeeva: Chemistry Department, Moscow State University, 119992 Moscow, Russia
Leonid M. Kustov: Chemistry Department, Moscow State University, 119992 Moscow, Russia
Sergey F. Dunaev: Chemistry Department, Moscow State University, 119992 Moscow, Russia
Alexander L. Kustov: Chemistry Department, Moscow State University, 119992 Moscow, Russia

Energies, 2022, vol. 15, issue 18, 1-12

Abstract: In this work, hydrolysis lignin with nickel compounds deposited on the surface was prepared. The resulting material was introduced into the process of carbon dioxide assisted conversion and the catalytic activity of the deposited nickel compounds in this reaction was evaluated. Use of the obtained catalytic system increases CO 2 conversion by more than 30% in the temperature range 450–800 °C. After the conversion process, the material was subjected to a study using a variety of physico-chemical analysis methods (TEM, SEM-EDX, and X-ray phase analysis). Physico-chemical methods of analysis of a sample calcined at 300 °C to decompose nickel nitrate revealed NiO nanoparticles with an average particle size of 16.9 nm.

Keywords: lignin; carbon materials utilization; carbon dioxide; carbon monoxide; CO 2 conversion; gasification (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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