期刊
JOURNAL OF THE JAPAN PETROLEUM INSTITUTE
卷 63, 期 2, 页码 102-105出版社
JAPAN PETROLEUM INST
DOI: 10.1627/jpi.63.102
关键词
Lignin; Extraction; Ionic liquid; Recyclability; Depolymerization
Pyridinium and imidazolium ionic liquids with different anions were synthesized and used to extract lignin from red pine. Based on the catalytic depolymerization activity and the recovery of lignin in different ionic liquids, N-allyl-pyridinium chloride ([Apy] Cl) was chosen to extract lignin from red pine. Cellulose was recovered from the [Apy] Cl - solution with methanol, and lignin was recovered with water and acetonitrile, and the maximum recovery of lignin from red pine was 98.7 wt%.
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