MBBR-臭氧电磁催化氧化用于污水处理厂提标扩建-王瑞
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2020-03-09 21:39:04
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MBBR+臭氧电磁催化氧化用于污水处理厂提标扩建王瑞1,夏文辉1,原建光2(1.天津市市政工程设计研究院,天津300392;2.康达环保水务有限公司,河南焦作454000)摘要:焦作市工业集聚区万方污水处理厂总规模为5×104m3/d,分两期建设。一期于2009年7月建成投产,处理量为2.5×104m3/d,进水以生物制药废水为主,采用水解酸化+A2O工艺,设计出水水质执行《城镇污水处理厂污染物排放标准》(18918—2002)一级B标准。目前实施二期提标扩建工程,总规模达到5×104m3/d,出水执行一级A标准,提标扩建工程采用生化池投加悬浮填料工艺(MBBR)、增加精密过滤和臭氧电磁催化氧化等措施,改造后出水水质达标。关键词:污水处理厂;提标扩建;MBBR;精密过滤;臭氧电磁催化氧化中图分类号:X703文献标识码:C文章编号:1000-4602(2017)08-0086-04MBBR+OzonationtogetherwithElectromagneticCatalyticOxidationforUpgradingProjectofWastewaterTreatmentPlantWANGRui1,XIAWen-hui1,YUANJian-guang2(1.TianjinMunicipalEngineeringDesignandResearchInstitute,Tianjin300392,China;2.KangdaEnvironmentalProtectionWaterCo.Ltd.,Jiaozuo454000,China)Abstract:ThetotaltreatmentcapacityofWanfangwastewatertreatmentplant(WWTP)inJiaozuoindustrialareais5×104m3/d.TheWanfangWWTPwouldbeconstructedintwophases.Theconstruc-tionofthefirst-phaseprojectwiththecapacity2.5×104m3/dwasfinishedintheJulyof2009.Mostoftheinfluentwaspharmaceuticalwastewater.TheeffluentqualitymetthefirstlevelBcriteriaintheDis-chargeStandardofPollutantsforMunicipalWastewaterTreatmentPlant(GB18918-2002)viacombi-nationprocessesofhydrolyticacidificationandA2O.Atpresent,thesecond-phaseupgradingprojectwithcapacityof5×104m3/dhasbeenfinishedconstructionandputintowastewatertreatment.Aftertreat-mentviamovingbedbiofilmreactor(MBBR),precisefiltration,ozonationtogetherwithelectromagneticcatalyticoxidation,theeffluentofthesecond-phaseprojectcouldmeetthefirstlevelAcriteriaspecifiedintheDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlant(GB18918-2002).Keywords:wastewatertreatmentplant(WWTP);upgradingproject;movingbedbiofilmre-actor(MBBR);precisefiltration;ozonationtogetherwithelectromagneticcatalyticoxidation焦作市万方污水处理厂服务范围为万方工业集聚区,占地面积为6.74hm2,总建设规模为5×104m3/d,分两期实施。一期工程建设规模为2.5×104m3/d,于2009年7月正式投产运行。一期设计出水水质执行《城镇污水处理厂污染物排放标准》(GB18918—2002)一级B标准。为响应国家节能减排号召,根据河南省和焦作市相关规定和要求,出水水质要求达到一级A标准。同时结合园区的发展规划,实施二期提标扩建工程,总规模为5×104m3/d。1一期工程设计及运行情况一期原设计进水水质:BOD5为150~200mg/L,COD为500mg/L,SS为300mg/L,NH3-N为3
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