Characterization of changes of lignin structure in the processes of cooking with solid alkali and different active oxygen | |
Yang, Qiulin ; Shi, Jianbin ; Lin, Lu ; Peng, Lincai ; Zhuang, Junping ; Lin L(林鹿) | |
刊名 | http://dx.doi.org/10.1016/j.biortech.2012.07.070
![]() |
2012-11 | |
关键词 | CROP RESIDUES PRETREATMENT BIOMASS NMR ETHANOL BIOFUEL WOOD |
英文摘要 | Ministry of Science and Technology of China [2010CB732201]; Natural Science Foundation of China [U0733001, 21106121]; Basic Research Foundation for Central Universities from the Ministry of Education [2010121077]; Foundation of Scientific Research Universities from Department of Economy and Commerical of Fujian Province of China [1270-K42004]; The cooking with solid alkali and active oxygen has a high selectivity for delignification. In the present work, the O-2 and H2O2 were separately combined with MgO used in cornstalk cooking for investigating their effects on delignification. After cooking, the lignins in raw material, pulp, and yellow liquor were all characterized by HSQC NMR. The results showed that the syringyl (S/S'/S '') units and beta-O-4' (A/A'/A '') structures had different reactivity in the cooking with MgO and H2O2 due to their different structures on side-chains. Whereas the syringyl (S/S'/S '') units could be completely decomposed when the MgO and O-2 were used, and the beta-O-4' (A/A'/A '') structures could be partly degraded. A novel structure G' unit with a carbonyl group was only generated in the cooking with MgO and O-2. In addition, the H unit, non-phenolic beta-beta' (B) and beta-5' (C) structures were all stable in both of the two cooking processes. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved. |
语种 | 英语 |
出版者 | BIORESOURCE TECHNOL |
内容类型 | 期刊论文 |
源URL | [http://dspace.xmu.edu.cn/handle/2288/90247] ![]() |
专题 | 能源院-已发表论文 |
推荐引用方式 GB/T 7714 | Yang, Qiulin,Shi, Jianbin,Lin, Lu,et al. Characterization of changes of lignin structure in the processes of cooking with solid alkali and different active oxygen[J]. http://dx.doi.org/10.1016/j.biortech.2012.07.070,2012. |
APA | Yang, Qiulin,Shi, Jianbin,Lin, Lu,Peng, Lincai,Zhuang, Junping,&林鹿.(2012).Characterization of changes of lignin structure in the processes of cooking with solid alkali and different active oxygen.http://dx.doi.org/10.1016/j.biortech.2012.07.070. |
MLA | Yang, Qiulin,et al."Characterization of changes of lignin structure in the processes of cooking with solid alkali and different active oxygen".http://dx.doi.org/10.1016/j.biortech.2012.07.070 (2012). |
个性服务 |
查看访问统计 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论