Volatile organic compound photo-thermal linkage catalytic decomposition efficiency real-time evaluation system and catalytic efficiency uncertainty analysis and evaluation method
A volatile organic compound, catalytic decomposition technology, applied in chemical analysis by catalysis, material analysis by optical means, material analysis, etc., can solve the uncertainty evaluation, cannot accurately find the best catalytic decomposition conditions of the system, evaluation Real-time catalytic decomposition efficiency and other issues, to achieve the effect of wide applicability and high gas detection sensitivity
Pending Publication Date: 2020-08-21
HENAN PROVINCE INST OF METROLOGY
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Problems solved by technology
At present, the commonly used methods for detecting the content of each component are gas chromatography, spectrophotometry, and gas chromatography-mass spectrometry. It is impossible to accurately seek the optimal catalytic decomposition conditions of the system and evaluate the real-time catalytic decomposition efficiency, and it is impossible to accurately seek the optimal catalytic decomposition effect
Therefore, it is impossible to accurately and efficiently evaluate the uncertainty of the decomposition effect
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[0064] In the following, the present invention will be described in more detail through specific embodiments, so as to facilitate the understanding of the technical solution of the present invention, but it is not used to limit the protection scope of the present invention. The following takes toluene gas in volatile organic compounds as an example to describe in detail.
[0065] Such as figure 1 As shown, the present invention provides a real-time evaluation system for photo-thermal catalytic decomposition efficiency of volatile organic compounds, the system includes sequentially connected calibration gas distribution device, photo-thermal catalytic decomposition device, detection device and data acquisition and processing device; The calibration gas distribution device is used to provide gas; the photo-thermal catalytic decomposition device is used for the catalytic decomposition of volatile organic gases; the detection device is used to detect the gas; the data acquisition ...
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The invention discloses a volatile organic compound photo-thermal linkage catalytic decomposition efficiency real-time evaluation system and a catalytic efficiency uncertainty analysis and evaluationmethod. The system comprises a calibration gas distribution device, a photo-thermal linkage catalytic decomposition device, a detection device and a data acquisition and processing device which are sequentially communicated. The system can detect the process of catalytically decomposing volatile organic compounds by a catalyst in real time, so that uncertainty analysis is accurately performed on the catalytic efficiency, and a method basis is provided for establishing real-time efficiency evaluation of efficient catalytic decomposition of the volatile organic compounds. According to the invention, toluene gas is used as one of the representatives of volatile organic compounds; firstly, toluene infrared spectrum qualitative and quantitative data are collected and analyzed, a catalytic decomposition efficiency evaluation mathematical model is established, an uncertainty source is analyzed, the measurement uncertainty of the catalytic decomposition efficiency of toluene gas under the photo-thermal combined action in a continuous flowing environment is evaluated, and a method basis is provided for establishing real-time efficiency evaluation of efficient catalytic decomposition of volatile organic compounds.
Description
technical field [0001] The invention belongs to the technical field of photocatalytic decomposition of volatile organic compounds, and in particular relates to a real-time evaluation system for photocatalytic decomposition efficiency of volatile organic compounds and an uncertainty analysis and evaluation method for catalytic efficiency. Background technique [0002] Volatile organic compounds are the main source of air pollution and have great harm to human beings and the environment. Therefore, the effective treatment of volatile organic compounds has always been an issue of widespread concern in this field. Among the many methods of dealing with volatile organic compounds, the use of natural light sources and The method of thermal catalytic decomposition of volatile organic compounds (light-thermal linkage catalysis) can not only efficiently decompose the generated volatile organic compounds, but also the degraded substances can be recycled and reused without secondary pol...
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Login to View More IPC IPC(8): G01N21/3504G01N31/10
CPCG01N21/3504G01N31/10
Inventor 路兴杰朱永宏赵芳王晓伟方东李玉广谷田平张柯师恩洁刘文思马振奇段云冯鑫陈飞徐冰王琳
Owner HENAN PROVINCE INST OF METROLOGY