Removal of Methylene Blue with Hemicellulose/Clay Hybrid Hydrogels
Removal of Methylene Blue with Hemicellulose/Clay Hybrid Hydrogels作者机构：Department of Chemistry Tongji University Institute of Pulp and Papermaking Hubei University of Technology Pharmaceutical College Guangxi Medical University Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education of China Qilu University of Technology
出 版 物：《Chinese Journal of Polymer Science》 (高分子科学（英文版）)
年 卷 期：2016年第34卷第6期
页 面：709-719页
核心收录：
学科分类：081704[工学-应用化学] 07[理学] 0817[工学-化学工程与技术] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学]
基 金：financially supported by the National Natural Science Foundation of China(Nos.21274111,51473123 and51402215) the Program for New Century Excellent Talents in University of Ministry of Education of China(NECT-11-0386) the Recruitment Program of Global Experts the open fund of Key Laboratory of Pulp and Paper Science&Technology of Ministry of Education of China(No.08031341)
主 题：Hemicellulose Hybrid hydrogel Clay Adsorption.
摘 要：In this study, we chose corn stover hemicellulose for the preparation of hydrogels with admirable adsorption properties under mild alkaline conditions. Clay nanosheets were introduced to this system and hemicellulose/clay hybrid hydrogels were prepared. Morphological, mechanical properties and the methylene blue adsorption behaviors of the prepared hydrogels were studied. Results suggested that the addition of clay not only improved the mechanical strength of hemicellulose-based hydrogels, but also increased the adsorption capacity on methylene blue. Moreover, the adsorptions were confirmed to follow pseudo-second order equation for both gels with and without clay. The maximum adsorption capacities on methylene blue for hemicellulose-based hydrogels with or without clay reached 148.8 and 95.6 mg/g, respectively. These results implied that hemicellulose-based hydrogels could be used as promising adsorbents for the removal of methylene blue from waste water.
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