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Depolymerization of Organosolv Lignin over Silica-alumina Catalysts
Wu, Qing-yun1,2; Ma, Long-long1,2; Long, Jin-xing2; Shu, Ri-yang2,3; Zhang, Qi2; Wang, Tie-jun2; Xu, Ying2
2016-08-01
发表期刊CHINESE JOURNAL OF CHEMICAL PHYSICS
卷号29期号:4页码:474-480
摘要Efficient 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, H beta, 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 influence 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 efficient catalyst, giving 90.96% degree of conversion, 12.91% yield of phenols, and 2.41% yield of arenes in ethanol at 280 degrees C for 4 h. The Fourier transform infrared spectroscopy and H-1 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 efficient solvent.
文章类型Article
关键词Lignin Sio2-al2o3 Phenols Deoxygenation Alkylation
WOS标题词Science & Technology ; Physical Sciences
资助者National Key Technology RD Program(2014BAD02B01) ; National Natural Science Foundation of China(51476178) ; National Key Technology RD Program(2014BAD02B01) ; National Natural Science Foundation of China(51476178)
DOI10.1063/1674-0068/29/cjcp1601017
研究领域[WOS]Physics
关键词[WOS]SOLID ACID CATALYSTS ; KRAFT LIGNIN ; CHEMICALS ; VALORIZATION ; HYDROGENOLYSIS ; ETHANOLYSIS ; EFFICIENT
收录类别SCI
语种英语
资助者National Key Technology RD Program(2014BAD02B01) ; National Natural Science Foundation of China(51476178) ; National Key Technology RD Program(2014BAD02B01) ; National Natural Science Foundation of China(51476178)
WOS类目Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000383114400011
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11840
专题中国科学院广州能源研究所
作者单位1.Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Wu, Qing-yun,Ma, Long-long,Long, Jin-xing,et al. Depolymerization of Organosolv Lignin over Silica-alumina Catalysts[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2016,29(4):474-480.
APA Wu, Qing-yun.,Ma, Long-long.,Long, Jin-xing.,Shu, Ri-yang.,Zhang, Qi.,...&Xu, Ying.(2016).Depolymerization of Organosolv Lignin over Silica-alumina Catalysts.CHINESE JOURNAL OF CHEMICAL PHYSICS,29(4),474-480.
MLA Wu, Qing-yun,et al."Depolymerization of Organosolv Lignin over Silica-alumina Catalysts".CHINESE JOURNAL OF CHEMICAL PHYSICS 29.4(2016):474-480.
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