Alternatives for Chemical and Biochemical Lignin Valorization: Hot Topics from a Bibliometric Analysis of the Research Published During the 2000–2016 Period
R. Abejón,Heriberto Pérez-Acebo,Leonardo Clavijo +2 more
- Vol. 6, Iss: 8, pp 98
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TLDR
A complete bibliometric analysis of the Scopus database was performed to identify the research trends related to lignin valorization from 2000 to 2016 as discussed by the authors, which revealed an exponentially increasing number of publications and a high relevance of interdisciplinary collaboration.Abstract:
A complete bibliometric analysis of the Scopus database was performed to identify the research trends related to lignin valorization from 2000 to 2016. The results from this analysis revealed an exponentially increasing number of publications and a high relevance of interdisciplinary collaboration. The simultaneous valorization of the three main components of lignocellulosic biomass (cellulose, hemicellulose, and lignin) has been revealed as a key aspect and optimal pretreatment is required for the subsequent lignin valorization. Research covers the determination of the lignin structure, isolation, and characterization; depolymerization by thermal and thermochemical methods; chemical, biochemical and biological conversion of depolymerized lignin; and lignin applications. Most methods for lignin depolymerization are focused on the selective cleavage of the β-O-4 linkage. Although many depolymerization methods have been developed, depolymerization with sodium hydroxide is the dominant process at industrial scale. Oxidative conversion of lignin is the most used method for the chemical lignin upgrading. Lignin uses can be classified according to its structure into lignin-derived aromatic compounds, lignin-derived carbon materials and lignin-derived polymeric materials. There are many advances in all approaches, but lignin-derived polymeric materials appear as a promising option.read more
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A review on biomass: importance, chemistry, classification, and conversion
TL;DR: In this paper, the authors reviewed different sources of biomass available, along with their chemical composition and properties, and discussed different conversion technologies (i.e., thermo-chemical, biochemical, and physico-chemical conversions) and their corresponding products.
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Circular economy aspects of lignin: Towards a lignocellulose biorefinery
Vijay Kumar Garlapati,Anuj K. Chandel,S. P. Jeevan Kumar,Swati Sharma,Surajbhan Sevda,Avinash P. Ingle,Deepak Pant +6 more
TL;DR: In this paper, the authors focused on integrating bioethanol and biodiesel production and valorizing lignin into various useful products, and discussed the prospects of a Lignin biorefinery coupled with economic policies to be deployed along with the practical implications.
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Mapping the diversity of microbial lignin catabolism : experiences from the eLignin database
TL;DR: The eLignin database is introduced, its dataset is used to map the reported ecological and biochemical diversity of the lignin microbial niches, and the findings are discussed.
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Electrochemical upgrading of depolymerized lignin: a review of model compound studies
Mahlet Garedew,Chun Ho Lam,Laurène Petitjean,Shuquan Huang,Bing Song,Fang Lin,James E. Jackson,Christopher M. Saffron,Paul T. Anastas +8 more
TL;DR: A review of recent electrochemical studies of lignin-derived model compounds can be found in this article, where both oxidative and reductive methods for electrocatalytic upgrading of relevant monomers are discussed as well as electrocatalysttic cleavage of Lignin dimers representing specific linkages.
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A review of the mechanism of bonding in densified biomass pellets
TL;DR: In this paper, the authors present an in-depth analysis of a structural chemistry perspective of the mechanism of bonding and the use of additives in densified biomass pellets and help identify research areas needed to facilitate better understanding of bonding in dense biomass pellets.
References
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The Catalytic Valorization of Lignin for the Production of Renewable Chemicals
TL;DR: Biomass is an important feedstock for the renewable production of fuels, chemicals, and energy, and it recently surpassed hydroelectric energy as the largest domestic source of renewable energy.
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