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Catalytic Oxidation of Lignin in Solvent Systems for Production of Renewable Chemicals: A Review

Lignin as the most abundant source of aromatic chemicals in nature has attracted a great deal of attention in both academia and industry. Solvolysis is one of the promising methods to convert lignin to a number of petroleum-based aromatic chemicals. The process involving the depolymerization of the...

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Autores principales: Cheng, Chongbo, Wang, Jinzhi, Shen, Dekui, Xue, Jiangtao, Guan, Sipian, Gu, Sai, Luo, Kai Hong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6432089/
https://www.ncbi.nlm.nih.gov/pubmed/30970917
http://dx.doi.org/10.3390/polym9060240
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author Cheng, Chongbo
Wang, Jinzhi
Shen, Dekui
Xue, Jiangtao
Guan, Sipian
Gu, Sai
Luo, Kai Hong
author_facet Cheng, Chongbo
Wang, Jinzhi
Shen, Dekui
Xue, Jiangtao
Guan, Sipian
Gu, Sai
Luo, Kai Hong
author_sort Cheng, Chongbo
collection PubMed
description Lignin as the most abundant source of aromatic chemicals in nature has attracted a great deal of attention in both academia and industry. Solvolysis is one of the promising methods to convert lignin to a number of petroleum-based aromatic chemicals. The process involving the depolymerization of the lignin macromolecule and repolymerization of fragments is complicated influenced by heating methods, reaction conditions, presence of a catalyst and solvent systems. Recently, numerous investigations attempted unveiling the inherent mechanism of this process in order to promote the production of valuable aromatics. Oxidative solvolysis of lignin can produce a number of the functionalized monomeric or oligomeric chemicals. A number of research groups should be greatly appreciated with regard to their contributions on the following two concerns: (1) the cracking mechanism of inter-unit linkages during the oxidative solvolysis of lignin; and (2) the development of novel catalysts for oxidative solvolysis of lignin and their performance. Investigations on lignin oxidative solvolysis are extensively overviewed in this work, concerning the above issues and the way-forward for lignin refinery.
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spelling pubmed-64320892019-04-02 Catalytic Oxidation of Lignin in Solvent Systems for Production of Renewable Chemicals: A Review Cheng, Chongbo Wang, Jinzhi Shen, Dekui Xue, Jiangtao Guan, Sipian Gu, Sai Luo, Kai Hong Polymers (Basel) Review Lignin as the most abundant source of aromatic chemicals in nature has attracted a great deal of attention in both academia and industry. Solvolysis is one of the promising methods to convert lignin to a number of petroleum-based aromatic chemicals. The process involving the depolymerization of the lignin macromolecule and repolymerization of fragments is complicated influenced by heating methods, reaction conditions, presence of a catalyst and solvent systems. Recently, numerous investigations attempted unveiling the inherent mechanism of this process in order to promote the production of valuable aromatics. Oxidative solvolysis of lignin can produce a number of the functionalized monomeric or oligomeric chemicals. A number of research groups should be greatly appreciated with regard to their contributions on the following two concerns: (1) the cracking mechanism of inter-unit linkages during the oxidative solvolysis of lignin; and (2) the development of novel catalysts for oxidative solvolysis of lignin and their performance. Investigations on lignin oxidative solvolysis are extensively overviewed in this work, concerning the above issues and the way-forward for lignin refinery. MDPI 2017-06-21 /pmc/articles/PMC6432089/ /pubmed/30970917 http://dx.doi.org/10.3390/polym9060240 Text en © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Review
Cheng, Chongbo
Wang, Jinzhi
Shen, Dekui
Xue, Jiangtao
Guan, Sipian
Gu, Sai
Luo, Kai Hong
Catalytic Oxidation of Lignin in Solvent Systems for Production of Renewable Chemicals: A Review
title Catalytic Oxidation of Lignin in Solvent Systems for Production of Renewable Chemicals: A Review
title_full Catalytic Oxidation of Lignin in Solvent Systems for Production of Renewable Chemicals: A Review
title_fullStr Catalytic Oxidation of Lignin in Solvent Systems for Production of Renewable Chemicals: A Review
title_full_unstemmed Catalytic Oxidation of Lignin in Solvent Systems for Production of Renewable Chemicals: A Review
title_short Catalytic Oxidation of Lignin in Solvent Systems for Production of Renewable Chemicals: A Review
title_sort catalytic oxidation of lignin in solvent systems for production of renewable chemicals: a review
topic Review
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6432089/
https://www.ncbi.nlm.nih.gov/pubmed/30970917
http://dx.doi.org/10.3390/polym9060240
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