| Improving enzymatic hydrolysis of wheat straw using ionic liquid 1-ethyl-3-methyl imidazolium diethyl phosphate pretreatment | |
Li, Qiang; He, Yu-Cai; Xian, Mo ; Jun, Gao; Xu, Xin; Yang, Jian-Ming; Li, Liang-Zhi
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| 2009-07-01 | |
| 发表期刊 | BIORESOURCE TECHNOLOGY
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| ISSN | ISSN: 0960-8524 |
| 卷号 | 100期号:14页码:3570-3575 |
| 摘要 | This study aims to establish a cellulose pretreatment process using ionic liquids (ILs) for efficient enzymatic hydrolysis. The IL 1-ethyl-3-methyl imidazolium diethyl phosphate ([EMIM]DEP) was selected in view of its low viscous and the potential of accelerating enzymatic hydrolysis, and it could be recyclable. The yield of reducing sugars from wheat straw pretreated with this IL at 130 degrees C for 30 min reached 54.8% after being enzymatically hydrolyzed for 12 h. Wheat straw regenerated were hydrolyzed more easily than that treated with water. The fermentability of the hydrolyzates, obtained after enzymatic saccharification of the regenerated wheat straw, was evaluated using Saccharomyces cerevisiae. This microbe could ferment glucose efficiently, and the ethanol production was 0.43 g/g glucose within 26 h. In conclusion, the IL [EMIM]DEP shows promise as pretreatment solvent for wheat straw, although its cost should be reduced and in-depth exploration of this subject is needed.; This study aims to establish a cellulose pretreatment process using ionic liquids (ILs) for efficient enzymatic hydrolysis. The IL 1-ethyl-3-methyl imidazolium diethyl phosphate ([EMIM]DEP) was selected in view of its low viscous and the potential of accelerating enzymatic hydrolysis, and it could be recyclable. The yield of reducing sugars from wheat straw pretreated with this IL at 130 degrees C for 30 min reached 54.8% after being enzymatically hydrolyzed for 12 h. Wheat straw regenerated were hydrolyzed more easily than that treated with water. The fermentability of the hydrolyzates, obtained after enzymatic saccharification of the regenerated wheat straw, was evaluated using Saccharomyces cerevisiae. This microbe could ferment glucose efficiently, and the ethanol production was 0.43 g/g glucose within 26 h. In conclusion, the IL [EMIM]DEP shows promise as pretreatment solvent for wheat straw, although its cost should be reduced and in-depth exploration of this subject is needed. (C) 2009 Elsevier Ltd. All rights reserved. |
| 文章类型 | Article |
| 关键词 | Wheat Straw Ionic Liquids 1-ethyl-3-methyl Imidazolium Diethyl Phosphate Pretreatment Enzymatic Hydrolysis |
| 学科领域 | 生物基化学品 |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine ; Technology |
| DOI | 10.1016/j.biortech.2009.02.040 |
| 关键词[WOS] | CELLULOSE FUNCTIONALIZATION ; LIGNOCELLULOSIC BIOMASS ; SACCHARIFICATION ; SPECTROSCOPY ; SOLVATION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels |
| WOS类目 | Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels |
| WOS记录号 | WOS:000266153700019 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qibebt.ac.cn/handle/337004/452 |
| 专题 | 生物基材料组群 |
| 作者单位 | Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Qiang,He, Yu-Cai,Xian, Mo,et al. Improving enzymatic hydrolysis of wheat straw using ionic liquid 1-ethyl-3-methyl imidazolium diethyl phosphate pretreatment[J]. BIORESOURCE TECHNOLOGY,2009,100(14):3570-3575. |
| APA | Li, Qiang.,He, Yu-Cai.,Xian, Mo.,Jun, Gao.,Xu, Xin.,...&Li, Liang-Zhi.(2009).Improving enzymatic hydrolysis of wheat straw using ionic liquid 1-ethyl-3-methyl imidazolium diethyl phosphate pretreatment.BIORESOURCE TECHNOLOGY,100(14),3570-3575. |
| MLA | Li, Qiang,et al."Improving enzymatic hydrolysis of wheat straw using ionic liquid 1-ethyl-3-methyl imidazolium diethyl phosphate pretreatment".BIORESOURCE TECHNOLOGY 100.14(2009):3570-3575. |
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