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Mg掺杂钙钛矿复合催化剂的CO2甲烷化催化性能研究

白露露 吴畏

陈国庆, 高继慧, 龚泽儒, 高建民, 秦裕琨. 复合喷动塔内蒸发特性的数值模拟与实验研究[J]. 环境工程, 2009, 27(6): 79-84. doi: 10.13205/j.hjgc.200906024
引用本文: 白露露, 吴畏. Mg掺杂钙钛矿复合催化剂的CO2甲烷化催化性能研究[J]. 环境工程, 2024, 42(1): 215-222. doi: 10.13205/j.hjgc.202401028
BAI Lulu, WU Wei. CATALYTIC PERFORMANCE OF Mg DOPED PEROVSKITE COMPOSITE CATALYST FOR CO2 METHANATION[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(1): 215-222. doi: 10.13205/j.hjgc.202401028
Citation: BAI Lulu, WU Wei. CATALYTIC PERFORMANCE OF Mg DOPED PEROVSKITE COMPOSITE CATALYST FOR CO2 METHANATION[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(1): 215-222. doi: 10.13205/j.hjgc.202401028

Mg掺杂钙钛矿复合催化剂的CO2甲烷化催化性能研究

doi: 10.13205/j.hjgc.202401028
详细信息
    作者简介:

    白露露(1997-),女,硕士,主要研究方向为固体废弃物处理及资源化。2530108051@qq.com

    通讯作者:

    吴畏(1967-),男,副教授,主要研究方向为固体废弃物处理及资源化。wuwei@smm.neu.edu.cn

CATALYTIC PERFORMANCE OF Mg DOPED PEROVSKITE COMPOSITE CATALYST FOR CO2 METHANATION

  • 摘要: 为促进CO2转化与利用技术深入发展,助力“双碳”政策顺利实施,通过开展基础研究的方式,在调制具有钙钛矿复合结构的催化剂基础上,开展了一系列CO2加氢合成甲烷(CH4)的实验研究。对比考察了催化剂各构成要素对催化性能的影响。通过单因素变量实验,详细探究了温度与催化性能之间的关系,借助XRD、BET、SEM、CO2-TPD、XPS等分析手段对催化剂微观结构进行详细分析和表征,解析了催化剂理化性质对催化活性的影响,明确了在钙钛矿型催化剂中掺杂Mg对调控CH4选择性的积极作用。结果显示,催化剂La0.9Mg0.1Co0.5Ni0.5O3在常压下具有优异的催化性能,在350~500℃内,可以获得接近100%的CH4选择性。表征方法证明Mg的掺杂可以提供更多的CO2吸附位点,对提升催化性能具有重要的辅助作用。
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  • 收稿日期:  2023-03-29
  • 网络出版日期:  2024-04-29

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