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为使阿胶废水处理后达到回用指标,采用IC+A/O+BAF工艺流程对废水进行治理。运行结果表明,系统对COD的去除率可达到98.6%,对NH3-N的去除率可达到99.6%,对SS的去除率达到98.9%,最终出水COD、NH3-N、SS平均值分别为32.93、0.63、8.55 mg/L,处理效率高,出水水质稳定且优于《城市污水再生利用景观环境用水水质》(GB/T 18921—2002)观赏性景观用水标准。现出水排至厂区景观湖用作景观用水。
In order to achieve reuse gelatin wastewater reuse indicators, the use of IC + A / O + BAF process for wastewater treatment. The results showed that the removal rate of COD was 98.6%, the removal rate of NH3-N was 99.6%, the removal rate of SS was 98.9%. The average effluent COD, NH3-N and SS were 32.93 , 0.63 and 8.55 mg / L, respectively. The treatment efficiency is high, the effluent quality is stable and superior to the ornamental landscape water standard of “Landscape Water Quality for Urban Sewage Recycling” (GB / T 18921-2002). Water is discharged to the factory landscape lake for landscape water.