Microwave-Assisted Lignin Solubilization in Protic Ionic Compounds Containing 2,3,4,5-Tetraphenyl-1H-imidazolium and Inorganic Anions

The highly efficient solubilization of lignin in designer protic ionic compounds is reported in this work. PPhImCl provided the optimum lignin dissolution capacity and theoretical studies based on DFT calculations further confirmed that the process was energetically favored (∆E = − 13.7 kcal/mol), w...

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Bibliographic Details
Published in:Waste and biomass valorization 2020-12, Vol.11 (12), p.6585-6593
Main Authors: Merino, Omar, Cerón-Camacho, Ricardo, Luque, Rafael, Martínez-Palou, Rafael
Format: Article
Language:English
Subjects:
Engineering
Environment
Environmental Engineering/Biotechnology
Industrial Pollution Prevention
Original Paper
Renewable and Green Energy
Waste Management/Waste Technology
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Summary:The highly efficient solubilization of lignin in designer protic ionic compounds is reported in this work. PPhImCl provided the optimum lignin dissolution capacity and theoretical studies based on DFT calculations further confirmed that the process was energetically favored (∆E = − 13.7 kcal/mol), with strong π–π interactions and hydrogen bonding observed between the PILs and lignin. Graphic Abstract
ISSN:1877-2641
1877-265X
DOI:10.1007/s12649-019-00916-2