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通榆河是江苏省沿海地区重要的饮用水源,近年来,随着沿岸城镇化及工农业的发展,导致通榆河沿线水质下降,呈微污染特性。通榆河地区某新建水厂(5×104m~3/d)以通榆河水为原水,其CODMn、NH3-N、TP季节性超Ⅲ类水标准,为确保出水稳定达标,采用了生物接触氧化预处理+常规处理+臭氧活性炭深度处理工艺。详细介绍了其工艺流程的选择及主要处理构筑物的设计。
Tongyu River is an important source of drinking water in the coastal areas of Jiangsu Province. In recent years, with the urbanization along the coast and the development of industry and agriculture, the water quality along the Tongyu River has declined, showing slight pollution. Tongyu River area of a new water plant (5 × 104m ~ 3 / d) Tongyu River water as raw water, its CODMn, NH3-N, TP seasonal super-class water standards, in order to ensure the stability of effluent standards, the use of biological contact Oxidation pretreatment + conventional treatment + Ozone activated carbon depth treatment process. The selection of the process and the design of the main structures are introduced in detail.