大学化学 >> 2023, Vol. 38 >> Issue (5): 130-136.doi: 10.3866/PKU.DXHX202206061

化学实验 上一篇    下一篇

“活性炭表面改性及对苯的吸附研究”综合性实验设计

刘金昌(), 解强, 姜一鸣, 李亚平, 舒启萌, 叶小青, 黄婷婷   

  • 收稿日期:2022-06-19 录用日期:2022-07-18 发布日期:2022-07-25
  • 通讯作者: 刘金昌 E-mail:liujinchang@cumtb.edu.cn

Comprehensive Experiment Design: Surface Modification of Activated Carbon and Its Adsorption Performance for Benzene

Jinchang Liu(), Qiang Xie, Yiming Jiang, Yaping Li, Qimeng Shu, Xiaoqing Ye, Tingting Huang   

  • Received:2022-06-19 Accepted:2022-07-18 Published:2022-07-25
  • Contact: Jinchang Liu E-mail:liujinchang@cumtb.edu.cn

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摘要：

为加强学生对吸附单元操作基础知识的理解、提升实验研究技能，设计了“活性炭表面改性及其苯吸附性能研究”综合性实验项目。该项目设立了吸附剂基本性质分析、表面改性、吸附性能表征及动态吸附等内容，分别训练学生实验研究、实验操作、仪器表征、图谱解析及实验结果总结分析的能力。经过实验训练，学生掌握了N2吸/脱附仪、傅里叶变换红外光谱仪(FTIR)和扫描电子显微镜(SEM)的仪器操作与图谱解析方法；学会了表面改性实验及活性炭碘吸附值、亚甲基蓝吸附值和动态吸附性能测试的实验方法与结果的归纳分析；还结合所学吸附单元操作基本原理，研究揭示实验研究的规律性结果。本综合性实验在加强学生对吸附单元操作相关知识掌握的同时，能激发学生的学习兴趣、提升专业综合能力。

关键词: 化工综合性实验, 活性炭, 表面改性, 吸附

Abstract:

A comprehensive experiment focusing on the surface modification of activated carbon and its benzene adsorption performance was designed to enhance the understanding of the operation of adsorption unit and improve the laboratory skill of students. The basic property characterization, surface modification, adsorption performance evaluation, and dynamic adsorption of adsorbents were included in this experiment for training the experimental study ability, laboratory skill, instrumental analysis, spectrum elucidation, and conclusion summary ability of students. After training, students can master N2 adsorption/desorption apparatus, instrumental operation of Fourier transform infrared spectroscopy and scanning electronic microscope, and spectrum elucidation methods. Students can also learn the surface modification, iodine adsorption value test, methylene blue adsorption value test, and dynamic adsorption performance test as well as the results of induction analysis. Furthermore, students can combine the basic principles of adsorption with experimental study results to reveal the results of experimental process. This comprehensive experiment can stimulate students' interest in learning and improve their professional ability, while strengthening students' ability to grasp relevant knowledge of adsorption unit operation.

Key words: Comprehensive experiment of chemical engineering, Activated carbon, Surface modification, Adsorption