Comparison between Farmer Household Tourism Wastewater and Municipal Wastewater Based on 3DEEM Fluorescence Spectroscopy

Xie Zhi-gang, Z. Yan-ling
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Abstract

Three-dimensional fluorescence spectrometry is a rapid analyzing method and is widely used in dissolved organic matter (DOM) characterizing and fingerprinting. In this present work, three-dimensional emission and excitation matrix (3DEEM) fluorescence spectrum was applied to characterize the fluorescence properties of dissolved organic matter in farmer household tourism wastewater and municipal wastewater. The results show that DOM fluorescence properties from various farmer household tourisms are characterized by protein-like, and high-excitation wavelength tryptophan-like peak is the strongest among all protein-like fluorescence peaks. Municipal wastewater also has same typical fluorescence peaks, while their fluorescence intensities are very relatively. Many protein-like fluorescence intensities of weir water are still close to it of municipal wastewater, though the wastewater is diluted and purified by the receiving water body. The polluting of wastewater from farmer household tourism to receiving water body shouldn¡¯t be ignored.
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基于3DEEM荧光光谱的农户旅游废水与城市污水比较
三维荧光光谱法是一种快速分析方法,广泛应用于溶解性有机物(DOM)的表征和指纹识别。本文采用三维发射激发矩阵(3DEEM)荧光光谱对农户旅游废水和城市污水中溶解有机物的荧光特性进行了表征。结果表明,各农户旅游DOM的荧光性质具有蛋白样特征,其中高激发波长色氨酸样荧光峰是蛋白样荧光峰中最强的。城市污水也具有相同的典型荧光峰,但它们的荧光强度非常相对。尽管污水被接收水体稀释和净化,但堰水的许多蛋白样荧光强度仍接近城市污水。农户旅游废水对接收水体的污染不容忽视。
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