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题名: Sulfonated hierarchical H-USY zeolite for efficient hydrolysis of hemicellulose/cellulose
作者: Zhou, Lipeng1;  Liu, Zhen1;  Shi, Meiting1;  Du, Shanshan1;  Su, Yunlai1;  Yang, Xiaomei1;  Xu, Jie2
关键词: Hemicellulose ;  Cellulose ;  Hydrolysis ;  Hierarchical zeolites ;  Sulfonic group
刊名: CARBOHYDRATE POLYMERS
发表日期: 2013-10-15
DOI: 10.1016/j.carbpol.2013.05.074
卷: 98, 期:1, 页:146-151
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Applied ;  Chemistry, Organic ;  Polymer Science
研究领域[WOS]: Chemistry ;  Polymer Science
英文摘要: Sulfonated hierarchical H-USY zeolite was prepared and characterized by X-ray diffraction, N-2 physisorption, Fourier transform infrared spectroscopy, inductively coupled plasma atomic emission spectroscopy, temperature-programmed desorption of ammonia, and acid-base titration. It was proved that sulfonic group was successfully anchored onto the hierarchical H-USY zeolite. The acidity of the hierarchical H-USY was remarkably improved. Sulfonated hierarchical H-USY zeolite was efficient for the hydrolysis of hemicellulose and cellulose. The yield of TRS for hydrolysis of hemicellulose reached 78.0% at 140 C for 9 h. For hydrolysis of alpha-cellulose, 60.8% conversion with 22.4% yield of glucose was obtained. Even for microcrystalline cellulose, 43.7% conversion with 15.1% yield of glucose can be obtained. These results are much higher than those obtained over hierarchical H-USY zeolite, indicating that both the acidity and the pore structure determine the activity of zeolite as catalyst in the hydrolysis of biomass. (C) 2013 Elsevier Ltd. All rights reserved.
关键词[WOS]: IONIC LIQUID ;  CATALYZED-HYDROLYSIS ;  CELLULOSE ;  GLUCOSE ;  ACID ;  CONVERSION ;  SUGARS ;  WATER
语种: 英语
WOS记录号: WOS:000325835600019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137977
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou 450001, Peoples R China
2.Chinese Acad Sci, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhou, Lipeng,Liu, Zhen,Shi, Meiting,et al. Sulfonated hierarchical H-USY zeolite for efficient hydrolysis of hemicellulose/cellulose[J]. CARBOHYDRATE POLYMERS,2013,98(1):146-151.
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