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沸石改性去除有机污染物吸附动力学教学实验探究 被引量:4

Exploration on Teaching Experiments for Adsorption Kinetics of Zeolite Modification for Removal of Organic Pollutants
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摘要 采用分光光度法探究了天然沸石与NaCl改性沸石对有机染料的吸附性能,以此建立了其吸附动力学方程,并采用扫描电镜对吸附前后沸石的表面形貌进行了表征,揭示了吸附材料表面结构与其吸附性能间的联系。本教学实验的开展,启发了学生如何采用合适的实验手段来建立并验证相关的吸附动力学方程,加深了学生对材料表面结构与性能联系的认知,强化了学生对界面化学相关理论的理解,有利于创新人才的培养。 The adsorption properties of natural and NaCl-modified zeolites to organic dyestuff were studied by spectrophotometry, and the adsorption kinetics equation was also established. The surface morphology of the zeolite was analyzed by scanning electron microscope for understanding the relationship between the surface structure of the adsorbent and its absorbability. The ability how to use appropriate methods to establish and verify the relevant adsorption kinetic equations for students will be inspired by carrying out the teaching experiment. In addition, the knowledge about the relationship between the surface structure of mineral materials and performance will be further consolidated, enhancing the understanding about the interface chemistry theory, which will be conducive to the cultivation of innovative talents.
作者 杨丽霞 贾晓萌 肖远强 陈森 曹雪丽 周森 YANG Li-xia;JIA Xiao-meng;XIAO Yuan-qiang;CHEN Sen;CAO Xue-li;ZHOU Sen(Faculty of Materials Science and Chemistry,China University of Geosciences(Wuhan),Hubei Wuhan 430074,China)
出处 《广州化工》 CAS 2020年第8期128-132,共5页 GuangZhou Chemical Industry
基金 湖北省省级高校教学研究项目(项目编号:2010112,项目名称:理工科大学创新人才培养模式的研究与实践) 中国地质大学(武汉)校级教学研究项目(A类)(项目编号:2010A17,项目名称:电化学专业-个性人才培养模式探索与实践)。
关键词 沸石 有机染料 吸附动力学 表面特性 zeolite organic dyestuff adsorption kinetics surface characteristic
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