环境化学综合设计实验:钙钛矿的制备、表征及其微波诱导降解有机废水性能研究  

Environmental Chemistry Comprehensive Design Experiment:Preparation and Characterization of Perovskite and Its Microwave Induced Catalytic Degradation of Organic Wastewater

作　　者：王吟[1] 杜保保 张晓东[1] 杨一琼[1] WANG Yin;DU Bao-Bao;ZHANG Xiao-Dong;YANG Yi-Qiong(School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China)

机构地区：[1]上海理工大学环境与建筑学院,上海200093

出　　处：《化学教育（中英文）》2019年第2期63-67,共5页Chinese Journal of Chemical Education

基　　金：上海理工大学2018年度教师教学发展研究一般项目(CFTD18043Y);精细化教学研讨与培训项目上海市教委本科重点课程建设项目;上海市课程思政教育教学改革试点课程;上海理工大学课程思政建设项目;上海理工大学优质在线课程建设项目

摘　　要：制备一种钙钛矿催化剂并对其微波诱导降解碱性品红染料废水性能进行了研究,同时将微波诱导催化技术和现代表征技术与环境化学实验教学相结合。采用溶胶-凝胶法制备钙钛矿催化剂,通过N2吸附-脱附(BET)、扫描电子显微镜(SEM)、傅里叶红外光谱(FT-IR)、X射线光电子能谱(XPS)以及热重分析(TGA)表征了催化剂的结构、形态以及微波催化性能。结合材料的表征数据及性能测试结果分析探讨不同B位元素对钙钛矿微波催化降解碱性品红活性的影响,进一步探究该催化反应的进行机制。该综合性设计实验有利于学生获取高级氧化技术的前沿知识,拓宽专业视野,培养综合思维、科研精神以及创新能力。A perovskite catalyst was prepared and its microwave induced catalytic degradation of basic fuchsin (BF)dye wastewater performance was tested.The microwave catalytic technology and modern characterization technology were combined with environmental chemistry experimental teaching.The LaMO3 (M=Fe,Ni,Co,Cu,Mn)catalyst was prepared by sol-gel method.N2 adsorption-desorption instrument (BET),scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FT-IR),X-ray photoelectron spectroscopy (XPS)and thermogravimetric analysis (TGA)were used to characterize the structure,morphology and microwave catalytic activity of the catalyst.The effects of the different B-site metal of perovskite on the microwave catalytic activity of BF were investigated by characterization data and performance test results.The mechanism of the catalytic reaction was further explored.This comprehensive design experiment will enable students to acquire the frontiers of the advanced oxidation technology,broadening their professional vision,and training their comprehensive thinking,scientific research spirit and innovation ability.

关 键 词：钙钛矿 微波诱导催化 表征技术 环境化学 

分 类 号：X703-4[环境科学与工程—环境工程] G642[文化科学—高等教育学]