球磨法制备的Cu基催化剂应用于乙酸乙酯催化燃烧反应的研究

O643.3; 挥发性有机废气(volatile organic compounds,VOCs)的大量排放对环境造成了严重危害,催化燃烧是去除VOCs的有效方法之一.使用简单且环保的催化剂制备方法一直是催化燃烧中催化剂研究的重点与难点之一.以CeO2,Al2O3,La2O3和ZrO2等氧化物以及相应的氢氧化物为载体前驱体,采用球磨法制备了一系列负载型Cu基催化剂,比较了不同氧化物和相应氢氧化物载体前驱体对乙酸乙酯(ethyl acetate,EA)催化燃烧性能的影响,并用XRD、TEM、XPS和H2-TPR等对催化剂进行了表征.结果表明,除Al(OH)3 外,以氢氧化物为载体前驱体的催化剂还原...

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Published in浙江大学学报(理学版) Vol. 50; no. 4; pp. 472 - 482
Main Authors 陈韩, 叶雨航, 王晴, 叶育川, 蒋越, 彭东, 徐婧, 臧绍宏, 莫流业
Format Journal Article
LanguageChinese
Published 浙江海洋大学 国家海洋设施养殖工程技术研究中心,浙江 舟山 316022 01.07.2023
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ISSN1008-9497
DOI10.3785/j.issn.1008-9497.2023.04.011

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Abstract O643.3; 挥发性有机废气(volatile organic compounds,VOCs)的大量排放对环境造成了严重危害,催化燃烧是去除VOCs的有效方法之一.使用简单且环保的催化剂制备方法一直是催化燃烧中催化剂研究的重点与难点之一.以CeO2,Al2O3,La2O3和ZrO2等氧化物以及相应的氢氧化物为载体前驱体,采用球磨法制备了一系列负载型Cu基催化剂,比较了不同氧化物和相应氢氧化物载体前驱体对乙酸乙酯(ethyl acetate,EA)催化燃烧性能的影响,并用XRD、TEM、XPS和H2-TPR等对催化剂进行了表征.结果表明,除Al(OH)3 外,以氢氧化物为载体前驱体的催化剂还原性能更好、表面高分散CuO相对质量分数更高、EA催化燃烧的性能更优.除 10%-Cu-Al(AlH)催化剂外,10%-Cu-YH比10%-Cu-Y具有更高催化活性的原因之一是前者形成了更小尺寸的纳米复合物.此外,催化剂的活性与催化剂表面的氧物种比例(Oads/Olatt)呈正相关.在所制备的Cu基催化剂中,以Ce(OH)4 和Zr(OH)4 为载体前驱体制备的 10%-Cu-CeH(T50=214℃,T95=238℃)和 10%-Cu-ZrH(T50=217℃,T95=239℃)催化剂在EA催化燃烧中的性能更好,具有潜在的工业应用价值.研究结果可为VOCs催化燃烧的负载型非贵金属催化剂设计和制备提供参考.
AbstractList O643.3; 挥发性有机废气(volatile organic compounds,VOCs)的大量排放对环境造成了严重危害,催化燃烧是去除VOCs的有效方法之一.使用简单且环保的催化剂制备方法一直是催化燃烧中催化剂研究的重点与难点之一.以CeO2,Al2O3,La2O3和ZrO2等氧化物以及相应的氢氧化物为载体前驱体,采用球磨法制备了一系列负载型Cu基催化剂,比较了不同氧化物和相应氢氧化物载体前驱体对乙酸乙酯(ethyl acetate,EA)催化燃烧性能的影响,并用XRD、TEM、XPS和H2-TPR等对催化剂进行了表征.结果表明,除Al(OH)3 外,以氢氧化物为载体前驱体的催化剂还原性能更好、表面高分散CuO相对质量分数更高、EA催化燃烧的性能更优.除 10%-Cu-Al(AlH)催化剂外,10%-Cu-YH比10%-Cu-Y具有更高催化活性的原因之一是前者形成了更小尺寸的纳米复合物.此外,催化剂的活性与催化剂表面的氧物种比例(Oads/Olatt)呈正相关.在所制备的Cu基催化剂中,以Ce(OH)4 和Zr(OH)4 为载体前驱体制备的 10%-Cu-CeH(T50=214℃,T95=238℃)和 10%-Cu-ZrH(T50=217℃,T95=239℃)催化剂在EA催化燃烧中的性能更好,具有潜在的工业应用价值.研究结果可为VOCs催化燃烧的负载型非贵金属催化剂设计和制备提供参考.
Author 陈韩
彭东
叶雨航
王晴
叶育川
徐婧
臧绍宏
蒋越
莫流业
AuthorAffiliation 浙江海洋大学 国家海洋设施养殖工程技术研究中心,浙江 舟山 316022
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JIANG Yue
ZANG Shaohong
PENG Dong
MO Liuye
YE Yuchuan
CHEN Han
WANG Qing
XU Jing
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DocumentTitle_FL The study of Cu-based catalysts by ball-milling for ethyl acetate catalytic combustion
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Issue 4
Keywords VOCs
Cu-based catalyst
球磨法
ball milling
catalytic combustion
ethyl acetate(EA)
Cu基催化剂
乙酸乙酯
催化燃烧
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Title 球磨法制备的Cu基催化剂应用于乙酸乙酯催化燃烧反应的研究
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