纳米二氧化钛光催化综合实验设计与实践  

Design and practice of comprehensive experiment for nano-TiO_(2) photocatalysis

作　　者：栾吉梅[1] 刘馨[1] 姜鹏 孙德帅[1] 方龙[1] 张晓东[1] LUAN Jimei;LIU Xin;JIANG Peng;SUN Deshuai;FANG Long;ZHANG Xiaodong(College of Chemistry and Chemical Engineering,Qingdao University,Qingdao 266071,China)

机构地区：[1]青岛大学化学化工学院,山东青岛266071

出　　处：《实验技术与管理》2023年第11期199-204,共6页Experimental Technology and Management

基　　金：山东省研究生教育教学改革研究重点培育项目(SDYJG19047);青岛大学创新型教学实验室研究项目(CXSYYB202024)。

摘　　要：该文设计了包含纳米二氧化钛制备方法、应用评价、结构表征及小试应用的光催化综合实验。该实验采用溶胶-凝胶法和沉淀-浸渍法制备了纳米二氧化钛,通过降解模拟染料废水评价了其光催化活性,利用扫描电子显微镜、比表面分析仪、X射线衍射仪对其进行了表征,通过对比小试实验体会了“放大效应”及相关工程参数带来的影响。该实验融合了多门学科知识,使学生知识体系更加完整、创新能力得到增强、科学素养得到提升。The comprehensive experiment of photocatalysis was designed for the preparation method,application evaluation,structural characterization,and small-scale application of nano-TiO_(2).Nano-TiO_(2)was prepared by sol-gel method and precipitation-doping method.The photocatalytic activity was investigated through degrading simulated dye wastewater.The structure of nano-TiO_(2)was characterized by scanning electron microscopy,specific surface area analyzer and X-ray diffraction.And the effect of amplification effect and related engineering parameters was discussed by comparing laboratory experiments.The comprehensive experiment integrates the knowledge of multiple disciplines studying in university,which can help build up more complete knowledge system,and improve the innovative ability,and enhance the comprehensive scientific literacy.

关 键 词：综合实验 实验设计 纳米二氧化钛 光催化 

分 类 号：TB34[一般工业技术—材料科学与工程] G642.423[文化科学—高等教育学]