化学·生活·社会
铜铝尖晶石“缓释催化”*
程丽红1** , 冯刚2** , 石鎏2 , 庆绍军3 , 高志贤4**
1.江西科技师范大学材料与机电学院 江西南昌 330038;
Cu-Al Spinel “Sustained Release Catalysis”
CHENG Li-Hong1** , FENG Gang2** , SHI Liu2 , QING Shao-Jun3 , GAO Zhi-Xian4**
1. Department of Material Science and Engineering, Jiangxi Science and Technology Normal University, Nanchang 330038, China;
摘要： 催化化学是物理化学中的重要内容,有着较强的实践意义。催化剂寿命是催化剂的主要指标之一,关系工业催化的经济成本。常用的负载型催化剂常由于反应温度高导致活性金属聚集长大而失活,采取增加载体表面积、提高负载量、增强金属/载体的相互作用等方法可以在一定程度上提高催化剂的稳定性和寿命,却无法从根本上阻止活性金属聚集长大的热力学趋势。近年来笔者将活性铜组分均匀分散到氧化铝体相中形成尖晶石型缓释催化剂,从而有效增加了催化剂的稳定性,有望充实物理化学中关于催化化学的内容。
关键词： 催化 ,
缓释催化剂 ,
铜铝尖晶石
基金资助: *江西省学位与研究生教育教学改革研究项目(JXYJG-2016-024);南昌大学教学改革研究课题项目(NCUJGLX-17-103);国家自然科学基金项目(21763018, 21673270)
通讯作者:
**E-mail:chenglihong001@126.com; fenggang@ncu.edu.cn; gaozx@lnpu.edu.cn
引用本文:
程丽红, 冯刚, 石鎏, 庆绍军, 高志贤. 铜铝尖晶石“缓释催化”* [J]. 化学教育（中英文）, 2021, 42(22): 7-11
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