:UDC：图书馆收藏密级：编号：1331毕业设计徐州利t生活污水800m3/dMBR处理工艺设计毕业设计成绩评定书专业、班级____________________姓名____________________F1期_____________1、设计题0____________________________________________2、__________________________________________________设计指导教师（签名）_____________________________________________________3、设计评阅人（签名）______________________评阅日期__________________4、__________________________________________________评定意见及成绩_____________________________________________________________年月円徐州利国镇生活污水800m7dMBR处理工艺设计中文摘要本次毕业设计的题目是徐州利国镇生活污水800m7dMBR处理工艺设计，主要采用A2/0工艺加上MBR膜生物反应器处理工艺。该污进水水质见下表所示：表1-1污水进水水质单位：mg/L项HCODcrBOD5NH/-NSSTN0TP0PH含量450300352005056〜9本次设计所选用的是MBR膜反应器工艺，改良型A2/0工艺具有良好的脱氮除磷功能，而浸没式MBR反应器具有深度的脱氮除磷功能,能更好地处理污水。该工艺流程如不：污水从细格栅，进入调节池，再进入A2/0生化池，从生化池流入MBR膜池，敁后经过接触消毒池消毒后排到自然水体中；膜池所产生的活性污泥可以经污泥提升泵房和管道运回到生化池继续使用，膜池所产生的剩余污泥则排入到储泥池中，进入污泥脱水车间经过污泥脱水后，最后外运处置。出水水质要求达到《再生水水质标准》(sl368-2006)中排放标准。该标准的主要指标如下：项HCODcrBOD5NH/-NSSTN0TPoPH含量5010551536〜9关键词：A2/0工艺，MBR，脱氮除磷，污水处理AbstracttheThetopicofthisgraduationdesignisXuzhouLiGuoZhensewage800m3/dMBRprocessdesign,mainlyusestheA2/OtechnologywiththeMBRmembranebioreactorprocess.Thewastewaterqualityasshowninthetablebelow:Sewagewaterqualityunit:mg/LProjectCODcrBOD5NHANssTN0TP0PHContent450300352005056〜9ofTheselectionofthedesignoftheMBRmembranereactorprocess,theimprovedtypeA2/Oprocesshasthewellfunctionofnitrogenandphosphorusremoval,andsubmergedMBRreactorhasthedepthofnitrogenandphosphorusremovalinwastewatertreatment,canbetter.Theprocessisasfollows:thesewagefromthefinegrid,intotheregulationpool,andthenentertheA2/Obiochemicalpool,biochemicalpoolflowsfromMBRmembranepool,finallythroughthecontactdisinfectionbackintothenaturalwater;activatedsludgemembranepoolcanbegeneratedbythesludgepumpingstationandpipelinetransportedbacktotheuseofbiochemicalpond,sludgemembranepoolgeneratedisdischargedintothemudstoragepool,intothesludgedewateringworkshopafterthesludgedewatering,finallySinotransdisposal.Tomeetwaterqualityrequirements"standardofreclaimedwater"(sl368-2006)emissionstandard.Thefollowingmainindexofthestandard:TheKeywords:A2/O,MBR,sewageandnitrogenandphosphorusremovalprocessProjectCODcrBOD5NH4+-NssTN()TP（）PHContent5010551536〜9ofeffluentqualitystandardunits:mg/L□录1.设计说明15...........................................................................................................11.1概述..............................................................................................................11.1.1设计任务...............................................................................................11.1.2设计依据...............................................................................................1①法律法规依据.........................................................................................................1②技术标准及技术规范依据.........................................................................................11.1.3设计范围...............