Solubilization and Fractionation of Japanese Beech Wood with LiCl and DMSO

Zhiguo Wang; Lili Zhang; Yimin Fan; Yiqin Yang; Yuji Matsumoto

doi:10.21967/jbb.v1i2.3

Solubilization and Fractionation of Japanese Beech Wood with LiCl and DMSO

doi: 10.21967/jbb.v1i2.3

a. Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University, Nanjing 210037, China;
b. Jiangsu Key Lab of Biomass-based Green Fuel & Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China;
c. Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan

基金项目:

This research work was financially supported by the National Forestry Public Welfare Industry Research Project (201304609), the National Natural Science Foundation of China (31200444) and the Natural Science Foundation of the Jiangsu Higher Education Institutions of China (12KJA220001).

计量
- 文章访问数: 419
- HTML全文浏览量: 86
- PDF下载量: 8
- 被引次数: 0
出版历程

Solubilization and Fractionation of Japanese Beech Wood with LiCl and DMSO

a. Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University, Nanjing 210037, China;
b. Jiangsu Key Lab of Biomass-based Green Fuel & Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China;
c. Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan

Funds:

摘要

摘要: The solubility of beech wood cell wall in 8% lithium chloride/dimethyl sulfoxide (LiCl/DMSO) was investigated with an ethylenediamine (EDA) pretreatment without ball milling. EDA pretreatment of the wood cell wall was found to be an efficient method for the solubilization of the majority of the wood cell wall while avoiding the destructive effects of milling on the structure of the wood cell wall components. The yield of the final insoluble fraction was only approximately 31.6% based on the original Wiley wood sample after two EDA pretreatments and the dissolving processes. The solubility of lignocellulosic material in 8% LiCl/DMSO increased with decreasing lignin content after an EDA pretreatment. The yield of the insoluble fraction decreased from 62.9% to 9.2% with a decrease of lignin content from 28.0% to 14.1%. When the lignin content of lignocellulosic material was relatively low (approximately 10.5%), it could be dissolved in 8% LiCl/DMSO after an EDA pretreatment. The EDA pretreatment of wood meal had a much greater effect on polysaccharides than on the lignin in wood cell wall.
- wood solution /
- Japanese beech /
- LiCl/DMSO /
- EDA pretreatment /
- solubilization /
- fractionation /
- cellulose /
- hemicellulose /
- lignin
Abstract: The solubility of beech wood cell wall in 8% lithium chloride/dimethyl sulfoxide (LiCl/DMSO) was investigated with an ethylenediamine (EDA) pretreatment without ball milling. EDA pretreatment of the wood cell wall was found to be an efficient method for the solubilization of the majority of the wood cell wall while avoiding the destructive effects of milling on the structure of the wood cell wall components. The yield of the final insoluble fraction was only approximately 31.6% based on the original Wiley wood sample after two EDA pretreatments and the dissolving processes. The solubility of lignocellulosic material in 8% LiCl/DMSO increased with decreasing lignin content after an EDA pretreatment. The yield of the insoluble fraction decreased from 62.9% to 9.2% with a decrease of lignin content from 28.0% to 14.1%. When the lignin content of lignocellulosic material was relatively low (approximately 10.5%), it could be dissolved in 8% LiCl/DMSO after an EDA pretreatment. The EDA pretreatment of wood meal had a much greater effect on polysaccharides than on the lignin in wood cell wall.
- wood solution /
- Japanese beech /
- LiCl/DMSO /
- EDA pretreatment /
- solubilization /
- fractionation /
- cellulose /
- hemicellulose /
- lignin