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ID:15795982
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页数:21页
时间:2018-08-05
《新加坡含油废水处理方案》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、PCPPM7EFFLUENTTREATMENTPLANTPCPPM7TechnicalSpecificationForEffluentTreatmentPlantSubmittedby:ZHEJIANGSUPERMAXENVIRONMENTALENGINEERINGCO.,LTD.4.0May18,20123.0May16,20122.0May15,20121.0Dec.22,20110.0Mar.8,2011RevDateRemarks21PCPPM7EFFLUENTTREATMENTPLANTChapte
2、r1:ProjectProfile1.1TreatmentCapacityDesignTreatmentCapacity=8,000m3/d1.2InfluentWasteWaterQualityItemInfluentQualityCOD<5000mg/lBOD5<2000mg/lSS<3500mg/lT<40±2oCpH6~91.3TreatedEffluentQualityRequirementItemEffluentQualityCOD<160mg/lBOD5<80mg/lSS<50mg/lpH6~9
3、21PCPPM7EFFLUENTTREATMENTPLANTChapter2:WastewaterTreatmentProcess2.1EffluentTreatmentProcessPumpPumpPumpInfluent8000m3/dBarscreen&InletTankRotaryScreenCoagulation&FlocculationTankPrimarySedimentationTankCoolingTowerA/OSystemSecondarySedimentationTankChart2-
4、1:WasterwaterTreatmentProcessEffluentTankPumpDehydratorSludgeCakeDisposalSludgeTankMiddlePit21PCPPM7EFFLUENTTREATMENTPLANT2.1WastewaterTreatmentProcessintroduction(1)PretreatmentSolids(>5mm)wasremovedbybarscreen.SuspendingsolidswereremovedbyRotaryscreenwhic
5、hmeshis100eyes.TheeffluentofrotaryscreeninflowscoagulatingandFlocculatingTank.TheeffluentofprimarysedimentationtankwillbeMiddlepit.Thenpumpedtothecoolingtower.Iftherawwastewatertemperatureisbelow38℃,itrequiresnocooling,sothewastewaterwillbepumpedtotheA/Otan
6、kdirectly.(2)AerobictreatmentTheeffluentwillbetreatedbyaerobicprocess(A/O).Anoxictankwassetbeforeoxictank.WastewaterandbackflowsludgeweremixedinAnoxictank.Microorganismwasselectedthroughanoxicandoxictwo-phase.MostBODwasadsorbedbymicroorganisminAnoxictank.Th
7、erestoforganicandabsorptionorganicbymicroorganismwereremovedinoxictank.Filamentousbacteriawasrestrainedinanoxictank.Sosludgebulkingwasavoided.(3)SludgeTreatmentItisconvenienttoadoptbeltpresstodewaterpulpandpapermill’ssludge.Dewateredsludgeisdisposedsafety.b
8、ackwashwaterandfiltratefromthebeltpresstogetherwithotherplanteffluentsarecollectedinasumpandreturnedtotheinletchannel.21PCPPM7EFFLUENTTREATMENTPLANT2.1EffluentTreatmentEffectForecastChart2-2EffluentTre
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