水中石油类污染物的光纤荧光在线测量技术研究

根据水中石油类污染物质的光谱特性,采用荧光光谱技术,结合光纤传感技术和CCD探测技术,研制了一种可用于现场测量水中石油类污染物质的荧光光谱测量仪器。鉴于现场环境的特殊性,设计了水中自动取样预处理系统,可以实现真正意义上的实时分析,方便了现场操作。通过现场实验和性能测试,证实了其可行性,可以对水中石油类污染物质进行现场测量,从而进行污染物质的定性识别与定量分析,为水中污染物质监测提供了新的技术手段。

Study on Online Fluorescence Measurement Technology for Petroleum Pollutants in Water with Optical Fiber Technique

According to the fluorescence spectral characteristic of the petroleum pollutants in water, using the fluorescence spectral technology, optical fiber sensor technology and CCD detection technology, a fluorescence spectral measurement instrument used to online measure petroleum pollutants in water is developed. In consideration of the particular environment, the automatic sampling and pretreatment system is designed. The real-time analysis is realized and the measuring is conducted conveniently. By experimental research and performance test of the instrument in situ, the feasibility is verified. The instrument is used to measure the petroleum pollutants in water, and then qualitative identification and quantitative analysis are conducted. The research provides a novel technical means for the petroleum pollutants monitoring in water.