摘要
综述了近年有关含氯挥发性有机化合物(CVOCs)在氧化钴基催化剂上催化燃烧的研究进展,详细介绍了三种提高氧化钴基催化剂催化燃烧CVOCs的活性、稳定性和合乎环境要求产物选择性的策略,包括酸性载体负载、负载高Deacon反应活性组分及制备氧化钴基复合氧化物.从催化剂设计的角度出发,构建具有优异低温氧化还原性能及合适酸性质的氧化钴基催化剂是目前持续关注的研究重点.从催化工艺的角度上看,可以尝试耦合多种反应场景,利用多场协同的策略以提高氧化钴基催化剂的低温活性、稳定性及普适性.
Research progress in the catalytic combustion of chlorinated volatile organic compounds(CVOCs)on cobalt oxide-based catalysts was summarized briefly in recent years.Three strategies were introduced in detail to improve the activity,stability,and the selectivity of products with environmental acceptable over cobalt oxide-based catalysts,including loading on the supports with acidic properties,loading high Deacon reaction active components,synthesizing cobalt oxide-based mixed oxides for the catalytic combustion of CVOCs.From the perspective of catalyst design,the construction of cobalt oxide-based catalysts with excellent lowtemperature redox properties and suitable acid properties is the focus of ongoing research.From the perspective of catalytic technology,coupling a variety of reaction scenarios using multi-field synergy strategy can be selected to improve the low temperature activity,stability and versatility of cobalt oxide-based catalysts.
作者
郭利民
周兆宇
邓威
汪大闪
GUO Limin;ZHOU Zhaoyu;DENG Wei;WANG Dashan(School of Environmental Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China;School of Optoelectronic Materials and Technology,Jianghan University,Wuhan 430056,China;Xurihua Environmental Protection Technology,Wuhan 430030,China)
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2022年第10期26-37,共12页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
湖北省自然科学基金杰出青年人才资助项目(2019CFA070)
国家重点研发计划政府间科技创新合作重点专项(2017YFE0127400)
华中科技大学学术前沿青年团队支持计划资助项目(2018QYTD03).
关键词
氧化钴
含氯挥发性有机物
催化燃烧
沸石分子筛
贵金属
层状双氢氧化物
cobalt oxides
chlorinated volatile organic compounds(CVOCs)
catalytic combustion
zeolites
noble metal
layered double hydroxides
