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State-of-the-art catalytic hydrogenolysis of lignin for the production of aromatic chemicals

Cheng, C; Shen, D; Gu, S; Luo, KH; (2018) State-of-the-art catalytic hydrogenolysis of lignin for the production of aromatic chemicals. Catalysis Science & Technology , 8 (24) pp. 6275-6296. 10.1039/C8CY00845K. Green open access

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Abstract

Solvolysis is one of the promising methods to convert lignin to different kinds of value-added aromatic chemicals in the solvent, sometimes employing a catalytic system and hydrogen. The process involving the cracking of the lignin macromolecule and repolymerization of the produced fragments is influenced by the heating method, experimental conditions, presence of catalyst, and solvent species. The inter-unit linkages in lignin can be selectively cleaved with the addition of the designed catalyst, facilitating the formation of the aromatic compounds. A favorable solvent system could improve the yield of specific aromatic compounds and inhibit the formation of polymerized compounds. This work aimed to provide a comprehensive review on lignin hydrogenolysis concerning the effect of the catalyst and solvent on the cleavage mechanism of typical inter-unit linkages and on the final product distribution. The limitations and forward routes for this area are addressed in order to emphasize the requirement for understanding the lignin hydrogenlitic depolymerization process for the production of aromatic platform chemicals.

Type: Article
Title: State-of-the-art catalytic hydrogenolysis of lignin for the production of aromatic chemicals
Open access status: An open access version is available from UCL Discovery
DOI: 10.1039/C8CY00845K
Publisher version: https://doi.org/10.1039/C8CY00845K
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10067616
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