| 铝合金极板表面涂覆Mn催化剂及其对臭氧的分解 |
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| 引用本文： | 邵明攀, 付天奥, 洪威, 朱天乐. 铝合金极板表面涂覆Mn催化剂及其对臭氧的分解[J]. 环境工程学报, 2022, 16(8): 2595-2601. doi: 10.12030/j.cjee.202112147 |
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| 作者姓名： | 邵明攀 付天奥 洪威 朱天乐 |
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| 作者单位： | 北京航空航天大学空间与环境学院，北京 100191 |
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| 基金项目： | 国家重点研发计划项目(2017YFC0211800) |
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| 摘 要： | 静电式空气净化器工作时会产生臭氧，因此，可通过在极板表面涂覆臭氧分解催化剂以实现对臭氧的原位分解。研究了6061型铝合金极板表面涂覆Mn基催化剂时，活性组分、粘结剂、反应时间和环境条件等因素对催化分解臭氧性能的影响。结果表明：在实际应用相适应的条件下，臭氧可实现原位高效分解；催化剂构成是影响臭氧分解的关键因素，Ag修饰可使MnO2催化分解臭氧效率提高约50%，但粘结剂的存在会导致催化分解臭氧效率下降；臭氧分解效率随入口臭氧浓度升高或空气湿度增大略有下降。本研究结果可为静电式空气净化器同时实现除尘提效与臭氧控制提供参考。
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| 关 键 词： | 空气净化器 静电 极板 臭氧 催化分解 |
| 收稿时间： | 2021-12-22 |
Ozone decomposition over Mn catalyst coated on aluminum alloy plate |
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| SHAO Mingpan, FU Tianao, HONG Wei, ZHU Tianle. Ozone decomposition over Mn catalyst coated on aluminum alloy plate[J]. Chinese Journal of Environmental Engineering, 2022, 16(8): 2595-2601. doi: 10.12030/j.cjee.202112147 |
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| Authors: | SHAO Mingpan FU Tianao HONG Wei ZHU Tianle |
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| Affiliation: | School of Space and Environment, Beihang University, 100191, China |
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| Abstract: | Ozone can be generated during the operation of electrostatic air purifier. The in-situ catalytic decompo-sition of ozone is possible by coating catalyst on the electrostatic precipitation plate. In this work, the effects of active composition and binding agent, reaction time and environmental conditions on catalytic decomposition efficiency of ozone were investigated by coating Mn catalysts on the 6061 aluminum alloy plate. The results show that ozone can be effectively decomposed under the conditions matching to actual application. The catalyst compositions are the key factor affecting ozone decomposition performance. The decomposition efficiency increases by 50% or so when the Mn catalyst was modified by dopping Ag. The presence of binding agent makes ozone decomposition efficiency decrease. The ozone decomposition efficiency slightly decreases with the increase of inlet ozone concentration and relative humidity. |
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| Keywords: | air purifier electrostatic plate ozone catalytic decomposition |
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