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32-*150090—CEPT-SFCW。0.05~0.1m3/(m2·d)CEPT-SFCWCOD>85%。CEPT-SFCWGB8978-1996。10%。X703A1003-6504(2009)08-0134-05EffectivenessofIntegratedChemicallyEnhancedPrimaryTreatmentandConstructedWetlandforTreatingDomesticWastewaterLIANGGuan-liangZHAOQing-liang*SchoolofMunicipalandEnvironmentalEngineeringHarbinInstituteofTechnologyHarbin150090ChinaAbstractBasedonthelabscaleexperimentthispaperstudiestheeffectivenessofanintegratedsewagetreatmentsystemofconstructedwetlandprocesswithchemicallyenhancedprimarytreatmentasthepre-treatmentparticularconcernsbeinggiventotestingaself-preparedlow-costsubstitutecoagulant.Thesystemasawholecanremovemorethan85%ofCODandaprettymoreTPbutpoorinremovingofNH3-Nabout10%dependingongrowthoftheplantinthewetland.Keywordschemicallyenhancedprimarytreatmentsubsurfaceflowconstructedwetlanddomesticwastewater、、、。—CEPT-SFCW。CEPT[1]90%[2-4]。CEPT、[5]。PAC、PFS[6]。2080。[7]。10%~30%[8]、、、、。[9]。CEPTSFCWCEPTSSCOD90%。2008-06-132008-08-252006-02081984-0451-86284774liang925cs@yahoo.com.cn*0451-86283107zhql1962@yahoo.com.cn。EnvironmentalScience&Technology32820098Vol.32No.8Aug.20098CEPT。CEPT-SFCWCOD、、CEPT-SFCW。11.11。1.2。XXRF2。1.75ASMTF。-1Table1WaterqualityofdomesticwastewaterpHCOD(mg/L)TP(mg/L)NH4+-N(mg/L)7.0~7.5349~6504.164~5.69930.33~60.812Table2ChiefchemicalcompositionofflyashSiO2Al2O3CaOFe2O3K2OMgO(%)55.6820.933.673.282.430.25mNa2CO3/mFA0.06805℃1hV/mmL/g34mol/L[H+]0.5h。Al2SO4332.7g/L、Fe2SO437.1g/L1mL/L。1.3CEPT-SFCW80L/d、。150mm×50mm×50mm。50mm×50mm×100mm。2。10mm×20mm20×20mm。120r/min、70r/min、70r/min、40r/min。3100mm×100mm150mm30mm30mm。7mm60°。80L/d0.1m3/m2·d、、0.36。2。0.7m0.6m0.1m0.5m。0.4m1m1%。CEPT-SFCW1。1.4CEPT2.3min。12min。。10cm。16L/d。27。COD、、。1.5[10]。3222.1COD0.05m3/m2·d、0.075m3/m2·d0.1m3/m2·dCEPT40L/d、60L/d80L/d。COD2。2COD88.6%、86.0%、85.2%CEPT。140~190mg/L。COD73.0%、64.5%、62.9%。。40L/d58.9%31.1%。60L/d39.8%80L/d40.0%40.8%41.9%。。。COD40L/d47mg/L60L/d80L/d58mg/L61mg/LGB8978-1996。2.23CEPT。92%~96%。pH698%。CEPT-SFCWCEPT。。。4SRP。。、[11]。。HPO42-8Ca、Fe、Al[12]。H2PO4-[13]。CEPTCa。。。。0.600~0.800mg/LGB8978-1996。2.35。CEPT。80L/d5%~10%。。--。DO0.1mg/L。。、。。[14]。[15]。。3140~80L/dCEPT。COD60%140~190mg/L92%~96%。2SFCW0.05~0.1m3/(m2·d)COD60%~70%COD61mg/LSFCW0.600~0.800mg/L10%。3CEPT-SFCWCOD85%80%CODGB8978-19965%~10%。[][1]JKEdzwaldJETobiason.EnhancedcoagulationUSre-quirementandabroaderview[J].WaterScienceandTech-nology,199940963-70.[2]DRFHarlemanSMurcott.Theroleofphysical-chemicalwastewatertreatmentinthemega-citiesofthedevelopingworld[J].WaterScienceandTechnology,1999404-575-80.[3]CSPoonCWChu.Theuseofferricchlorideandanionicpolymerinthechemicallyassistedprimarysedimentationprocess[J].Chemosphere,199939101573-1582.[4]GRXuWTZhangGBLi.AdsorbentobtainedfromCEPTsludgeinwastewaterchemicallyenhancedtreatment[J].WaterResearch,200539205175-5185.[5]JCHuangLLi.Aninnovativeapproachtomaximizepri-marytreatmentperformance[J].WaterScienceandTechnol-ogy,20004212209-222.[6].32[C].[A].2007602-605.TangFengLiYa-qiangZhaoQing-liangetal.Thepro-ductionofflyash-basedcoagulantanditsapplicationinsewagetreatment[C].ProceedingoftheEleventhMainland-TaiwanEnvironmentalProtectionAcademicConference[A].Harbin2007602-605.inChinese[7].[M].200610-12.YinJunCuiYu-bo.ConstructedWetlandinWaterPollu-tionControl[M].BeijingChemicalIndustryPress200610-12.inChinese[8].[J].200632432-37.LiuZhi-xiaoCuiFu-yiDingLeietal.Choiceofwastew-atertreatmentprocesswithhighefficiencyandlowenergyconsumptioninmiddleandsmallcities[J].Water&Wastew-aterEngineering200632432-37.inChinese[9].[J].,2004191233-39.LiLing.Man-madewetlandtechnologiesandtheirapplica-tionpresentstateandpolicies[J].ModernUrbanResearch2004191233-39.inChinese[10]《》.[M]..2002.EditorBoardofMinistryofEnvironmentalProtectionofChina.AnalyticalMethodoftheWaterandWastewater[M].ed.4th.BeijingChinaEnvironmentalSciencePress2002.inChinese[11].[J].,20062911112-114.HuangHuiZhaoHaoRaoQunetal.Reviewoninflu-entialfactorsofphosphorusremovalbysubstratesincon-structedwetland[J].EnvironmentalScience&Technology,20062911112-114.inChinese[12]IRLantzkeDSMitchellADHeritageetal.Amodeloffactorscontrollingorthophosphateremovalinplantedverticalflowwetlands[J].EcologicalEngineering19991293-105.[13].[J].,2006319116-118.XiongGuo-xiangLuoJian-zhongFengAi-kun.Researchonthebehaviorandremovalofphosphorusinwetland[J].EnvironmentalScienceandManagement2006319116-118.inChinese[14].[J].2007284736-741.YanLuWangShi-heZhongQiu-shuangetal.Studyonrunningcharacteristicsofaeratingsubsurfaceflowwetlands[J].ChineseJournalofEnvironmentalScience2007284736-741.inChinese[15].[J].2008202257-262.KeFanWangLeiLiHai-yingetal.Experimentalstudiesonaeratedvertical-flowwetlandforlowconcentrationdo-mesticwastewatertreatment[J].JournalofLakeScience2008202257-262.inChinese
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