江口污水处理厂一期工程提标改造工艺设计

工业用水与废水陨晕阅哉杂栽砸陨粤蕴宰粤栽耘砸驭宰粤杂栽耘宰粤栽耘砸灾燥造援51晕燥援1Feb.袁2020杜蓉袁林虹袁卢伟袁刘艳袁史彦伟渊北控水务渊中国冤投资有限公司袁北京100124冤1工程概况黄岩江口污水处理厂位于浙江台州江口街道袁于圆园园员年员圆月投入运行袁一期工程设计规模为愿万皂3辕凿袁主要处理黄岩经济开发区的污水袁主体处理工艺为卡鲁塞尔氧化沟工艺渊圆园员源年改造为酝月月砸工艺冤袁出水水质执行郧月愿怨苑愿要员怨怨远叶污水综合排放标准曳中的二级标准遥由于进厂的部分重污染工业废水水质高于原设计标准袁且水量波动较摘要院江口污水处理厂一期工程受重污染工业废水影响袁处理出水不达标袁同时根据新颁布叶台州市城镇污水处理厂出水指标及标准限值表曳渊台州地标冤的要求袁污水处理厂主要出水指标需要达到地表水郁类排放标准渊总氮除外冤袁因此需对其进行提标改造遥改造后主工艺采用工业废水单独预处理后与生活污水混合进入酝月月砸生化处理系统袁后续增加组合生物滤池尧活性炭混凝沉淀过滤尧臭氧等深度处理工艺遥主要介绍了工艺的选择和说明尧工艺流程尧主要设计参数及实际运行情况遥运行结果显示袁提标改造后出水平均悦韵阅质量浓度为圆猿皂早辕蕴袁杂杂质量浓度在缘皂早辕蕴以下袁氨氮平均质量浓度为员援员皂早辕蕴袁总氮平均质量浓度为愿皂早辕蕴袁总磷质量浓度在园援猿皂早辕蕴以下袁出水各项指标均达到野台州地标冶的要求遥关键词院工业废水曰MBBR曰深度处理曰提标改造中图分类号院载505文献标志码院B文章编号院摇员园园怨原圆源缘缘渊圆园20冤园1原园园74原园5Technologicaldesignofupgradingandreconstructionprojectforfirst-stageconstructionofJiangkousewagetreatmentplant阅哉砸燥灶早袁蕴陨晕匀燥灶早袁蕴哉宰藻蚤袁蕴陨哉再葬灶袁SHIYan-wei渊BeijingEnterprisesWaterGroup(China)InvestmentLimited,Beijing100124,China冤Abstract院Duetotheinfluenceofheavypollutedindustrialsewage,thequalityofthetreatedeffluentfromthefirst-stageconstructionofJiangkousewagetreatmentplantcannotmeetthedischargestandard.Accordingtotherequirementofthenewlypromulgatedlocalstandard:EffluentWaterIndexesandLimitingValuesofMunici鄄palSewageTreatmentPlantofTaizhou,themainindexesoftheeffluentwaterfromthesaidtreatmentplantshouldmetthedischargestandardfor郁classsurfacewater(excepttotalnitrogen),therefore,projectupgradingandreconstructionwasnecessary.Afterthereconstruction,themixtureofpretreatedindustrialwastewateranddomesticsewageflowedintoMBBRbiochemicaltreatmentsystem,andthen,combinedbiofilter,activatedcarboncoagulationsedimentationfiltration,ozonetreatmentandsomeotheradvancedtreatmentprocessesweresupple鄄mented.Theselectionandexplanationofeachprocess,theprocessflow,themaindesignparametersandtheac鄄tualoperationconditionwereintroduced.Theoperationresultsshowedthat,aftertheupgradingandreconstruc鄄tion,theaveragemassconcentrationsofSSandtotalphosphorousintheeffluentwaterofJiangkousewagetreat鄄mentplantwerelowerthan5and0.3mg/Lrespectively,andtheaveragemassc