| 微波助［Bmim］Cl离子液体中玉米秸秆稀酸水解糖化 |
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| 引用本文： | 柴连周,张桂琴,杨明妮,毕先钧.微波助［Bmim］Cl离子液体中玉米秸秆稀酸水解糖化[J].农业工程,2012,2(4):19-24. |
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| 作者姓名： | 柴连周 张桂琴 杨明妮 毕先钧 |
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| 作者单位： | 云南师范大学化学化工学院 |
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| 基金项目： | 国家自然科学基金资助项目(项目编号:20663007) |
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| 摘 要： | 该文以玉米秸秆为原料,稀硫酸为催化剂,在Bmim]Cl离子液体介质中,用微波辐射加热促进纤维素的水解。探索硫酸的质量分数、微波辐射功率、微波辐射时间、微波辐射温度及离子液体用量等因素对还原糖收率的影响。结果表明:在微波功率为600W,微波时间为60min,微波温度为85℃,离子液体Bmim]Cl的用量为5.0mL时,硫酸质量分数为10%的条件下,还原糖收率达到最大值21.36%;与油浴加热方法相比较,采用微波辐射加热能够提高还原糖收率。
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| 关 键 词： | 离子液体 微波辐射 玉米秸秆 稀酸水解 糖化 |
Microwave-assisted Dilute Acid Hydrolysis of Corn Straw into Reducing Sugar in Ionic Liquid [Bmim]Cl |
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| Chai Lianzhou,Zhang Guiqin,Yang Mingni and Bi Xianjun.Microwave-assisted Dilute Acid Hydrolysis of Corn Straw into Reducing Sugar in Ionic Liquid [Bmim]Cl[J].Agricultural Engineering,2012,2(4):19-24. |
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| Authors: | Chai Lianzhou Zhang Guiqin Yang Mingni and Bi Xianjun |
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| Institution: | (Institute of Chemistry and Chemical Engineering,Yunnan Normal University,Kunming 650500,China) |
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| Abstract: | Effects of ionic liquid volume,sulfuric acid amount,microwave irradiation time,microwave irradiation temperature,microwave irradiation power on dilute acid hydrolyzed saccharification of corn straw in ionic liquid Bmim]Cl by microwave irradiation were investigated.Results indicated that the best conditions of acid hydrolysis were as follows:microwave irradiation temperature 85 ℃,microwave irradiation time 60 min,microwave irradiation power 600 W and sulfuric acid amount 10.0%,and the yield ratio of reducing sugar could reach 21.36% obviously higher than traditional dilute acid hydrolysis method. |
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| Keywords: | Ionic liquid Microwave irradiation Corn straw Dilute acid hydrolysis Saccharificatio |
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