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硅铝催化剂催化有机溶剂木质素的解聚
引用本文:吴青云,马隆龙,龙金星,舒日洋,张琦,王铁军,徐莹.硅铝催化剂催化有机溶剂木质素的解聚[J].化学物理学报,2016,29(4):474-480.
作者姓名:吴青云  马隆龙  龙金星  舒日洋  张琦  王铁军  徐莹
作者单位:中国科学技术大学化学与材料科学学院, 合肥 230026;中国科学院广州能源研究所, 广州 510640,中国科学技术大学化学与材料科学学院, 合肥 230026;中国科学院广州能源研究所, 广州 510640,中国科学院广州能源研究所, 广州 510640,中国科学院广州能源研究所, 广州 510640;中国科学院大学, 北京 100049,中国科学院广州能源研究所, 广州 510640,中国科学院广州能源研究所, 广州 510640,中国科学院广州能源研究所, 广州 510640
基金项目:This work was supported by the National Key Technology R&D Program (No.2014BAD02B01) and the National Natural Science Foundation of China (No.51476178).
摘    要:E cient conversion of lignin to fine chemicals and biofuel become more and more attractive in biorefinery. In this work, we used a series of silica-alumina catalysts (i.e., SiO2-Al2O3, HY, Hβ, and HZSM-5) to degrade lignin into arenes and phenols. The relationship between the catalyst structure and lignin depolymerization performance was investigated. The results showed that both acidity and pore size of the catalyst could in uence the conversion of lignin. In the volatilizable product, phenols were identified as the main phenolic monomers via gas chromatography-mass spectrometer. SiO2-Al2O3 was the most effcient catalyst, giving 90.96% degree of conversion, 12.91% yield of phenols, and 2.41% yield of arenes in ethanol at 280℃ for 4 h. The Fourier transform infrared spectroscopy and 1H nuclear magnetic resonance spectroscopy analysis demonstrated that deoxygenation and alkylation occurred in this process. The effect of solvents was also investigated and the results showed that ethanol was the most effcient solvent.

关 键 词:木质素  SiO2-Al2O3  苯酚类化合物  脱氧反应  烷基化反应
收稿时间:2016/1/26 0:00:00
修稿时间:2016/5/26 0:00:00

Depolymerization of Organosolv Lignin over Silica-alumina Catalysts
Qing-yun Wu,Long-long M,Jin-xing Long,Ri-yang Shu,Qi Zhang,Tie-jun Wang and Ying Xu.Depolymerization of Organosolv Lignin over Silica-alumina Catalysts[J].Chinese Journal of Chemical Physics,2016,29(4):474-480.
Authors:Qing-yun Wu  Long-long M  Jin-xing Long  Ri-yang Shu  Qi Zhang  Tie-jun Wang and Ying Xu
Institution:Department of Chemistry, University of Science and Technology of China, Hefei 230026, China;Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China,Department of Chemistry, University of Science and Technology of China, Hefei 230026, China;Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China,Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China,Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;University of Chinese Academy of Sciences, Beijing 100049, China,Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China,Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China and Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
Abstract:
Keywords:Lignin  SiO2-Al2O3  Phenols  Deoxygenation  Alkylation
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