烟气
透射率
材料科学
分光计
分析化学(期刊)
傅里叶变换红外光谱
光谱学
傅里叶变换光谱学
红外线的
气体分析
光学
环境科学
化学
光电子学
物理
环境化学
量子力学
有机化学
作者
Jimmy Bak,Sønnik Clausen
标识
DOI:10.1088/0957-0233/13/2/302
摘要
Diagnostic tools for real time and direct gas analysis have been developed. The simultaneous measurements of gas and particle temperatures (280-330 °C) and gas concentrations (CO, CO2, HCl, H2O) are demonstrated in a hot particle-laden flue gas with a fibre-optic probe connected to a Fourier transform infrared spectrometer. The gas temperature is found from the thermal radiation at the 2350 cm-1 CO2 fundamental band, whereas the gas concentrations are determined by comparing the measured transmittance spectra with a spectroscopic database and validation measurements using the Hotgas facility at Risø. Measurement uncertainties are discussed. The measured local gas temperatures and concentrations are in good agreement with measurements made with conventional equipment.
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