南方某水厂臭氧/活性炭深度处理工艺运行效果

以南方地区微污染水源水为对象,研究臭氧/活性炭深度处理工艺对有机物综合指标UV(254)、COD(Mn)、TOC的去除效果以及对消毒副产物的控制效果,并结合三维荧光光谱技术分析溶解性有机物的荧光特性。结果表明,与常规处理工艺相比,增加臭氧/活性炭深度处理工艺后,对UV(254)、COD(Mn)、TOC、三卤甲烷前体物的去除率分别提高了47.05%、20.24%、31.11%、37.70%。三维荧光光谱分析结果表明,该地区微污染水源水主要由芳香性蛋白质类物质、溶解性微生物代谢产物类物质和富里酸类物质组成,臭氧/活性炭深度处理工艺对荧光溶解性有机物的去除效果明显。

Performance of Ozone/Biological Activated Carbon Advanced Treatment Process in a Water Treatment Plant in South China

The removal of UV254,CODMn,TOC,and the control of disinfection by-products in micro-polluted source water using ozone/biological activated carbon(O3/BAC)advanced treatment process were researched in south China.The fluorescence characteristics of the dissolved organic matter was analyzed by the three-dimensional fluorescence spectrum.The results showed that in comparison with the conventional treatment process,the removal rate of UV254,CODMn,TOC and the trihalomethane formation potential(THMFP)was increased by 47.05%,20.24%,31.11%and 37.70%,respectively,in the O3/BAC advanced treatment process.Three-dimensional fluorescence spectrum results indicated that aromatic proteins,soluble microbial metabolic wastes and the fulvic acids were the major components of dissolved organic matter.The removal of fluorescent dissolved organic matter by the O3/BAC advanced treatment process was evident.