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Pretreatment of Eastern White Pine (Pinus strobes L.) for Enzymatic Hydrolysis and Ethanol Production by Organic Electrolyte Solutions
Tian, Xiaofei; Rebmann, Lars; Xu, Chunbao Charles; Fang, Zhen
2016
Source PublicationACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume4Issue:5Pages:2822-2829
AbstractOrganic electrolyte solution (OES), composed of room temperature ionic liquids (RTILs) and polar organic solvent, was applied during the pretreatment of eastern white pine (EWP), one of the most recalcitrant woody biomass. The influence of various crucial parameters that govern the dissolution and further pretreatment process were examined. A gradual reduction of the crystallinity of cellulose I, fragmentation and fibrillation, as well as lignin redistribution occurred with an increase of chi([AMIM]Cl) (molar portion of [AMIM]Cl) from 0.1 to 0.9; whereas the content of the cellulose, acid insoluble lignin as well as hemicellulose composition did not change. The efficiency of glucose released from EWP through rapid enzymatic hydrolysis (24 h hydrolysis yield) and the final hydrolysis yield (120 h hydrolysis yield) were improved remarkably by up to 460% and S00% after OES pretreatment. No negative effect of OES pretreatment on downstream ethanol fermentation observed, and the highest ethanol productivity was 11.04 g ethanol/100 g EWP (when chi([AMIM]Cl) = 0.9).
KeywordIonic Liquids Dimethyl Sulfoxide Permeability Bioethanol Fermentability Softwood
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/9873
Collection生物能源研究组
Recommended Citation
GB/T 7714
Tian, Xiaofei,Rebmann, Lars,Xu, Chunbao Charles,et al. Pretreatment of Eastern White Pine (Pinus strobes L.) for Enzymatic Hydrolysis and Ethanol Production by Organic Electrolyte Solutions[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2016,4(5):2822-2829.
APA Tian, Xiaofei,Rebmann, Lars,Xu, Chunbao Charles,&Fang, Zhen.(2016).Pretreatment of Eastern White Pine (Pinus strobes L.) for Enzymatic Hydrolysis and Ethanol Production by Organic Electrolyte Solutions.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,4(5),2822-2829.
MLA Tian, Xiaofei,et al."Pretreatment of Eastern White Pine (Pinus strobes L.) for Enzymatic Hydrolysis and Ethanol Production by Organic Electrolyte Solutions".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 4.5(2016):2822-2829.
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