Efficient degradation of lignin in raw wood via pretreatment with heteropoly acids in gamma-valerolactone/water
Zhang, LB (Zhang, Libo); Zheng, WX (Zheng, Wenxiu); Wang, ZM (Wang, Ziming); Ma, YB (Ma, Yubo); Jiang, L (Jiang, Ling); Wang, TF (Wang, Tianfu)
2018
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume261Issue:8Pages:70-75
Abstract

The aim of this work was to study the degradation of lignin in raw wood via pretreatment with heteropoly acids as substitutes for traditional H2SO4 in gamma-valerolactone/water. By optimizing catalyst concentration, reaction time and temperature, the optimal lignin degradation conditions are obtained (130 degrees C, 3 h and 20 mM silicotungstic acid). SEM and FTIR measurements demonstrated the efficient lignin degradation ability of HPAs in the GVL/H2O solvent, with negligible damage to cellulose within the raw wood. Furthermore, an elaborated enzymatic hydrolysis study of the thus obtained cellulosic feedstock revealed its suitability for enzymatic digestion, with great potential as starting material for the production of fermentable sugar from biomass in future biorefinery applications.

KeywordRaw Wood Degrade Lignin Gamma-valerolactone Heteropoly Acids Enzymatic Hydrolysis
DOI10.1016/j.biortech.2018.03.141
Indexed BySCI
WOS IDWOS:000433211600009
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5476
Collection中国科学院特殊环境功能材料与器件重点试验室
资源化学研究室
Corresponding AuthorWang, TF (Wang, Tianfu)
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Environm Sci & Technol, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Nanjing Tech Univ, Coll Food Sci & Light Ind, Nanjing 210009, Jiangsu, Peoples R China
4.66 High Sch, Qingdao 266031, Peoples R China
Recommended Citation
GB/T 7714
Zhang, LB ,Zheng, WX ,Wang, ZM ,et al. Efficient degradation of lignin in raw wood via pretreatment with heteropoly acids in gamma-valerolactone/water[J]. BIORESOURCE TECHNOLOGY,2018,261(8):70-75.
APA Zhang, LB ,Zheng, WX ,Wang, ZM ,Ma, YB ,Jiang, L ,&Wang, TF .(2018).Efficient degradation of lignin in raw wood via pretreatment with heteropoly acids in gamma-valerolactone/water.BIORESOURCE TECHNOLOGY,261(8),70-75.
MLA Zhang, LB ,et al."Efficient degradation of lignin in raw wood via pretreatment with heteropoly acids in gamma-valerolactone/water".BIORESOURCE TECHNOLOGY 261.8(2018):70-75.
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