第43卷第2期2023年2月Vol.43No.2Feb.,2023工业水处理IndustrialWaterTreatmentDOI:10.19965/j.cnki.iwt.2022-0294167河南某县产业集聚区污水处理工艺设计及效果朱勍1,田敏敏2,赵同谦3,肖春艳3,陈睿2(1.同济大学,上海200092;2.北京中外建建筑设计有限公司上海分公司,上海200030;3.河南理工大学,河南焦作454003)[摘要]河南某县产业集聚区污水处理厂收集该区生产废水及部分城区生活污水,进水以有机类工业废水为主,占比在70%以上,且进水水质波动大、氮磷等污染物浓度高。污水处理厂设计近期规模2万m3/d,远期规模4万m3/d。针对进水特点,生化段设计采用改良A2O+MBR工艺,并设置双缺氧池及两级硝化液回流以强化脱氮除磷。出水指标执行《地表水环境质量标准》(GB3838—2002)Ⅳ类标准,其中出水TN参考《河南省辖海河流域水污染物排放标准》(DB41/777—2013),TN≤15mg/L。冬季低温期3个月的运行结果表明,该污水处理厂运行稳定,出水COD、NH3-N、TN、TP的去除率分别为94.26%、98.77%、87.76%、95.19%,出水水质全部优于设计出水标准,该工艺对水质冲击有较好的承受能力。本工程运营成本为1.47元/m3。[关键词]改良A2O+MBR工艺;产业集聚区;工业废水处理[中图分类号]X703[文献标识码]B[文章编号]1005-829X(2023)02-0167-05WastewatertreatmentprocessdesignandperformanceofanindustrialclusterinacountyofHenanprovinceZHUQing1,TIANMinmin2,ZHAOTongqian3,XIAOChunyan3,CHENRui2(1.TongjiUniversity,Shanghai200092,China;2.BeijingCCIArchitecturalDesignCo.,Ltd.,ShanghaiSubsidiary,Shanghai200030,China;3.HenanPolytechnicUniversity,Jiaozuo454003,China)Abstract:Thewastewatertreatmentplant(WWTP)intheindustrialclusterareaofacountyinHenanprovincecol⁃lectedtheindustrialproductionwastewaterintheclusterareaandpartofdomesticsewageofthecounty.Theinflu⁃entproportionofindustrialwastewaterwasover70%,andtheinfluentqualityfluctuatedgreatlyandhadhighcon⁃centrationofnitrogenandphosphorus.TheWWTP’sshorttermdesigncapacitywas20000m3/d,andlongtermca⁃pacitywas40000m3/d.Accordingtothecharacteristicsofinfluent,theWWTPadoptedmodifiedA2O+MBRpro⁃cess,whichhaddoubleanoxictanksandtwo-stagenitrificationrefluxtostrengthennitrogenandphosphorusre⁃moval.Thee...