Microwave-assisted lignin processing to produce synthesis gas and aromatic compounds

Microwave-assisted lignin processing to produce synthesis gas and aromatic compounds Full article

Journal

New Journal of Chemistry
ISSN: 1369-9261 , E-ISSN: 1144-0546

Output data

Year: 2025, Volume: 49, Number: 35, Pages: 15264-15271 Pages count : 8 DOI: 10.1039/d5nj01637a

Authors

Yang Dan ¹ , Yang Yanhui ¹ , Finashina Elena D. ^2,3 , Tkachenko Olga P. ^2,3 , Tarasov Andrei L. ^2,3 , Kustov Leonid M. ^2,3

Affiliations

1	School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
2	Chemistry Department, Moscow State University, Moscow 119992, Russia
3	N.D. Zelinsky Institute of Organic Chemistry RAS, Moscow 119991, Russia

Lignin is an abundant raw material, but its utilization in the synthesis of high-added-value products is a great challenge. Microwave activation provides benefits compared to conventional thermal heating in a variety of processes, including catalytic reactions of oxidation and hydrogenation/hydrocracking. Herein, we utilize low-power resonant microwave radiation (5.7 GHz, ≤10 W) to activate and transform lignin, resulting in a significant decrease in the reaction temperature for the onset of catalytic processes compared to conventional thermal activation. The reaction of microwave-assisted partial oxidation of lignin on an Mo1.0V0.37Te0.17Nb0.12O3 catalyst yields a synthesis gas product with 57.6% CO selectivity and near-complete lignin conversion at 310–340 °C. The MW-activated hydrocracking of lignin on Pt/C catalysts yields methoxyphenols, alkylated derivatives, as well as light aromatic and aliphatic C6–C10 hydrocarbon products with a high yield at 260–290 °C. The energy-efficient microwave-assisted approach significantly lowered reaction temperatures compared to conventional heating, highlighting its potential for sustainable lignin valorization.

Yang D. , Yang Y. , Finashina E.D. , Tkachenko O.P. , Tarasov A.L. , Kustov L.M.
Microwave-assisted lignin processing to produce synthesis gas and aromatic compounds
New Journal of Chemistry. 2025. V.49. N35. P.15264-15271. DOI: 10.1039/d5nj01637a WOS Scopus OpenAlex

Web of science:	WOS:001552270800001
Scopus:	2-s2.0-105015420228
OpenAlex:	W4413178546

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