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中文摘要：
研究紫外-可见吸收光谱用于工业污水色度表征的替代方法，并用以比较消毒剂对污水的脱色效果。结果表明，对于色度组成变化较大的工业污水，应使用可见吸收光谱（350-600nm）而非紫外吸收光谱表征色度。可见吸收光谱的特征值与污水的真色值相关性良好。三种消毒剂中臭氧和二氧化氯的脱色性能好于氯，但二氧化氯自身色度对脱色有负面影响。可见吸收光谱特征值能有效反映消毒处理后污水色度的变化。
英文摘要：
The UV-Visible absorption spectrum of industrial wastewater was explored to introduce a substituting method determining the color of water, and to compare the decolorization efficacy of different disinfectants. The results show that the visible absorption spectrum（350-600 nm）, instead of ultraviolet absorption spectrum, should be applied to characterize the color of wastewater. There is a good correlation between the features of visible absorption spectrum and the true color of wastewater. Both ozone and chlorine dioxide has a better decolorization performance than chlorine. However, the color of chlorine dioxide itself has a negative effect on decolorization. The changes in the features of visible absorption spectrum effectively reflect the variations in the color of wastewater after disinfection.
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