<P><B>Abstract</B></P> <P>Lignin is one of the largest sources of naturally occurring aromatic building blocks that possess immense potential to be employed as starting material for the production of value-added chemical...
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https://www.riss.kr/link?id=A107457663
2018
-
Lignin ; Degradation ; Depolymerization ; Catalyst ; Microwave ; Pyrolysis
SCI,SCIE,SCOPUS
학술저널
115-132(18쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>Lignin is one of the largest sources of naturally occurring aromatic building blocks that possess immense potential to be employed as starting material for the production of value-added chemical...
<P><B>Abstract</B></P> <P>Lignin is one of the largest sources of naturally occurring aromatic building blocks that possess immense potential to be employed as starting material for the production of value-added chemicals involving biofuels. Despite various challenges associated with lignin valorization, several strategies have emerged that could deliver value-added products in good yields. The present contribution aims to critically review recent advancements in biological, thermochemical and electrochemical strategies for lignin depolymerization mainly focusing on enzymatic, acid/base/metal-catalyzed, and microwave-assisted degradation approaches. All lignin degradation strategies result in the production of an arsenal of several monomeric, oligomeric and polymeric compounds, with no single molecule being produced in significant amount. For large-scale production of biofuels and other value-added chemicals via lignin depolymerization, the combination of two or more technologies with low cost and recyclable catalysts operating at mild reaction conditions needs to be explored.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Cost effective approach for lignin conversion into high quality biofuels is required. </LI> <LI> Biological & thermochemical strategies for lignin degradation have been discussed. </LI> <LI> Avoiding recombination of degradation products help in achieving high bio-oil yield. </LI> <LI> Cheap, robust & recyclable multifunctional catalyst needs to be developed. </LI> <LI> Microwave assisted lignin depolymerization is economical & highly selective. </LI> </UL> </P>