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Application of floating-NSBR-filtrer-disinfection process in wastewater treatment plant upgrading project in industrial district
Author(s): 
Pages: 65-68
Year: Issue:  11
Journal: Water & Wastewater Engineering

Keyword:  工业园区提标改造喷水织机废水NSBR;
Abstract: 太湖流域工业园区某废水处理厂原处理工艺为调节—初沉-NSBR-沉淀工艺,随出水水质标准要求的提高,最初在原废水处理厂主工艺NSBR池前增加气浮、水解酸化工艺,后续增加过滤和消毒.实际运行发现,因进水水质波动较大,含油量高,进水量超过设计负荷且水解酸化池对该类喷水织机废水B/C的改善有限,导致后续生化处理效果不佳,出水COD无法稳定达标,故将水解酸化池改为NSBR池,即生化处理段改为两级NSBR池串联运行,最终改造为气浮—两级NSBR— 过滤—消毒处理工艺,处理出水可稳定达到《城镇污水处理厂污染物排放标准》(GB 18918-2002)的一级A标准.
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