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光催化反应中气体产物在线评价系统

李娟 刘世君 李新军 苏秋成

李娟, 刘世君, 李新军, 苏秋成. 光催化反应中气体产物在线评价系统[J]. 分析测试技术与仪器, 2020, 26(4): 258-264. doi: 10.16495/j.1006-3757.2020.04.005
引用本文: 李娟, 刘世君, 李新军, 苏秋成. 光催化反应中气体产物在线评价系统[J]. 分析测试技术与仪器, 2020, 26(4): 258-264. doi: 10.16495/j.1006-3757.2020.04.005
LI Juan, LIU Shi-jun, LI Xin-jun, SU Qiu-cheng. On-Line Evaluation System of Gas Products in Photocatalytic Reaction[J]. Analysis and Testing Technology and Instruments, 2020, 26(4): 258-264. doi: 10.16495/j.1006-3757.2020.04.005
Citation: LI Juan, LIU Shi-jun, LI Xin-jun, SU Qiu-cheng. On-Line Evaluation System of Gas Products in Photocatalytic Reaction[J]. Analysis and Testing Technology and Instruments, 2020, 26(4): 258-264. doi: 10.16495/j.1006-3757.2020.04.005

光催化反应中气体产物在线评价系统

doi: 10.16495/j.1006-3757.2020.04.005
基金项目: 中国科学院仪器设备功能开发技术创新项目
详细信息
    作者简介:

    李娟(1976-), 女, 博士, 副研究员, 主要从事色谱分析及光催化材料研究, E-mail:lijuan@ms.giec.ac.cn

    通讯作者:

    苏秋成(1971-), 男, 博士, 研究员, 主要从事分析化学和仪器分析研究, E-mail:suqc@ms.giec.ac.cn

  • 中图分类号: O657.7

On-Line Evaluation System of Gas Products in Photocatalytic Reaction

  • 摘要: 基于气体产物在线分析, 搭建了光催化反应体系, 实现了多反应通道的批次实时在线色谱分析, 建立了光催化剂活性评价系统.通过与实验装置连接, 实现在线色谱分析, 可以实时定性定量检测催化反应产物, 提高分析效率, 为科研工作提供高效、便捷、系统的服务.同时, 在此基础上建立的光催化剂活性评价系统, 可为太阳能光化学转换利用及环保技术的研究奠定试验基础.光催化剂活性评价系统拓展了仪器的使用功能, 应用范围得到提升, 可为化工合成催化剂评价系统的研发提供借鉴.
  • 图  1  光催化反应装置

    Figure  1.  Photocatalytic reaction apparatus

    图  2  光催化反应气体产物传输路径

    Figure  2.  Transmission route of photocatalytic reaction gas products

    图  3  5通道气路装置

    Figure  3.  Five-channel gas circuit device

    图  4  在线色谱-光催化剂活性评价系统

    Figure  4.  On-line chromatography-photocatalyst activity evaluation system

    图  5  催化剂A上乙烯光热催化氧化在线色谱图随反应温度的变化

    Figure  5.  On-line chromatograms of photothermal catalytic oxidation of ethylene with reaction temperature on catalyst A

    图  6  催化剂A和商业P25对乙烯光热催化氧化活性比较

    Figure  6.  Comparison of photocatalytic oxidation activity for ethylene between catalyst A and commercial P25

    图  7  光催化氧化在线色谱图(a)甲醛,(b)甲醇

    Figure  7.  On-line chromatograms of photocatalytic oxidation for maldehyde (a) and methanol (b)

    图  8  光解水制氢反应在线色谱图

    Figure  8.  On-line chromatograms of hydrogen production by photocatalytic water splitting

    图  9  光催化降解葡萄糖水溶液生成CO2的在线色谱图

    Figure  9.  On-line chromatogram of photocatalytic degradation of aqueous solution of glucose to CO2

    图  10  水煤气变换反应在线色谱图

    Figure  10.  On-line chromatograms of shift reaction of water gas

    图  11  不同空速下水煤气变换反应性能

    Figure  11.  Performance of water-gas shift reaction at different airspeeds

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出版历程
  • 收稿日期:  2020-05-22
  • 修回日期:  2020-05-02
  • 刊出日期:  2020-12-30

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