2020年 03期

Spectral Characteristics of Soluble Microbial Products in Urban Waste-water Treatment Process


摘要(Abstract):

分别采用三维荧光光谱(3D-EEM)技术、傅里叶变换红外光谱(FTIR)法对城镇污水处理中厌氧/缺氧/好氧(A~2/O)工艺中溶解性微生物产物(SMP)的光谱学特性进行测定,并结合高效凝胶过滤色谱的分子量分布测定结果及水质检测结果对A~2/O工艺中SMP变化进行分析。结果表明,不同表征手段分析结果具有一致性, 3D-EEM显示SMP的主要成分为芳香类蛋白类物质、类富里酸物质及腐殖酸类物质,FTIR显示SMP中主要存在蛋白质、多糖和碳水化合物相关官能团,分子量分布测定结果显示SMP的分子量主要分布在小分子区域,主要是一些小分子有机酸和氨基酸。

关键词(KeyWords): 污水处理;溶解性微生物产物;光谱学特性;三维荧光光谱;红外光谱

基金项目(Foundation): 国家自然科学基金项目(21906064)

作者(Author): 孟倩倩,李明润,丁祥伟,闫涛,魏东

DOI: 10.13349/j.cnki.jdxbn.2020.03.014

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