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

Omar Merino, Ricardo Cerón-Camacho, Rafael Luque, Rafael Martínez-Palou

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Abstract: 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: [Figure not available: see fulltext.].

Original languageEnglish
Pages (from-to)6585-6593
Number of pages9
JournalWaste and Biomass Valorization
Volume11
Issue number12
DOIs
StatePublished - Dec 2020
Externally publishedYes

Keywords

  • Lignin
  • Microwave
  • Protic ionic compounds
  • Solubilization
  • Theoretical calculation

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