新加坡含油废水处理方案

《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.8,2011RevDateRemarks21PCPPM7EFFLUENTTREATMENTPLANTChapter1:ProjectProfile1.1T

2、reatmentCapacityDesignTreatmentCapacity=8,000m3/d1.2InfluentWasteWaterQualityItemInfluentQualityCOD＜5000mg/lBOD5＜2000mg/lSS＜3500mg/lT＜40±2oCpH6~91.3TreatedEffluentQualityRequirementItemEffluentQualityCOD＜160mg/lBOD5＜80mg/lSS＜50mg/lpH6~921PCPPM7EFFLUENTTREATMENTPLANTChapter2:Was

3、tewaterTreatmentProcess2.1EffluentTreatmentProcessPumpPumpPumpInfluent8000m3/dBarscreen&InletTankRotaryScreenCoagulation&FlocculationTankPrimarySedimentationTankCoolingTowerA/OSystemSecondarySedimentationTankChart2-1：WasterwaterTreatmentProcessEffluentTankPumpDehydratorSludgeCa

4、keDisposalSludgeTankMiddlePit21PCPPM7EFFLUENTTREATMENTPLANT2.1WastewaterTreatmentProcessintroduction(1)PretreatmentSolids(>5mm)wasremovedbybarscreen.SuspendingsolidswereremovedbyRotaryscreenwhichmeshis100eyes.TheeffluentofrotaryscreeninflowscoagulatingandFlocculatingTank.Theeff

5、luentofprimarysedimentationtankwillbeMiddlepit.Thenpumpedtothecoolingtower.Iftherawwastewatertemperatureisbelow38℃,itrequiresnocooling,sothewastewaterwillbepumpedtotheA/Otankdirectly.(2)AerobictreatmentTheeffluentwillbetreatedbyaerobicprocess(A/O).Anoxictankwassetbeforeoxictank

6、.WastewaterandbackflowsludgeweremixedinAnoxictank.Microorganismwasselectedthroughanoxicandoxictwo-phase.MostBODwasadsorbedbymicroorganisminAnoxictank.Therestoforganicandabsorptionorganicbymicroorganismwereremovedinoxictank.Filamentousbacteriawasrestrainedinanoxictank.Sosludgebu

7、lkingwasavoided.(3)SludgeTreatmentItisconvenienttoadoptbeltpresstodewaterpulpandpapermill’ssludge.Dewateredsludgeisdisposedsafety.backwashwaterandfiltratefromthebeltpresstogetherwithotherplanteffluentsarecollectedinasumpandreturnedtotheinletchannel.21PCPPM7EFFLUENTTREATMENTPLAN

8、T2.1EffluentTreatmentEffectForecastChart2-2EffluentTre