Citation: Wenyue Qing, Qiyou Chen, Along Jia, Shanshan Li, Ming Zhao, Caihong Guo. Ce_0.75Zr_0.25O₂的制备及其催化净化汽车尾气[J]. University Chemistry, ;2022, 37(5): 211108. doi: 10.3866/PKU.DXHX202111081 shu

Ce_0.75Zr_0.25O₂的制备及其催化净化汽车尾气

College of Chemistry, Sichuan University, Chengdu 610065, China

Corresponding author: Caihong Guo, guocaihong@scu.edu.cn
Received Date: 29 November 2021

基于CeO₂基氧化物制备及应用于环境保护的已有创新性成果，将其设计转化成为适合本科生的综合创新实验。在转化过程中设计了一系列的对照组，考察了沉淀pH、沉淀剂种类、过滤方式等制备条件及不同铈锆比例等因素对氧化物性能的影响。结果表明，采用环境友好的碳酸钠沉淀剂，pH控制在8-10范围内，通过简单易行的共沉淀法制得的Ce_0.75Zr_0.25O₂氧化物，催化性能优异，污染物转化效率可达95%。本实验将前沿科技与经典实验结合，体现了科教融合和创新发展的教学理念，顺应了科技治污的号召，有益于培养学生的科学思维和创新能力，有利于提高学生环保和稀土资源战略意识，增强社会责任感和民族自豪感。
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Ce0.75Zr0.25O2的制备及其催化净化汽车尾气

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Ce_0.75Zr_0.25O₂的制备及其催化净化汽车尾气