Demethylation of a methoxy group to inhibit repolymerization during alkaline lignin pyrolysis

• Published in: Fuel (Guildford) Vol. 286; p. 119394
• Main Authors: Ma, Hao, Li, Tengfei, Wu, Shubin, Zhang, Xiaohua
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 15.02.2021; Elsevier BV
• Subjects: Demethylation; Lignin; Methoxy group; Phenolic compounds; Phenols; Pyrolysis; Repolymerization; Repolymerization; Lignin; Pyrolysis; Demethylation; Methoxy group

•Methoxy group demethylation can reduce the Ea of the late pyrolysis of lignin.•Methoxy group demethylation can reduce the yeild of lignin pyrolytic char.•Methoxy group can promote char formation via interaction with phenolic hydroxyl.•Iodocyclohexane not only promotes demethylation but also causes...