给水曝气生物滤池内置粉末活性炭复合净水效果的研究廖伟

59Vol．5No．920119ChineseJournalofEnvironmentalEngineeringSep．2011510006。8mg/L、CODMn、0.02mg/L1.82mg/L0.46NTU699.6%、71.2%、99.1%80.6%《》GB5749-2006《》CJ94-2005。20%～60%。CODMnTU991．2A1673-9108201109-2013-05StudyonwaterpurificationeffectofwatersupplyBAFincludingbuilt-inpowderedactivatedcarbonLiaoWeiLuShaomingCollegeofEnvironmentalScience＆EngineeringSouthChinaUniversityofTechnologyGuangzhou510006ChinaAbstractThroughaddingpowderedactivatedcarbonbeforewatersupplyBAFwaterpurificationeffectofthevariousprocessunitwascomparativelyanalyzedthentheeffectandthebestaddingdosagewasdetermined．StudiesshowedthatactivatedcarbonwaswithheldinthefilterofwatersupplyBAFwhichcansubstantiallyin-creasetheutilizationrateofpowderedactivatedcarbon．Partofunsaturatedactivatedcarbonasabiologicalcar-riercanstillplaytheroleofbio-enhancementeffectwhentheywerebackwashedintothefollow-upconventionaltreatmentsystems．Whenthedosagewas8mg/LtheaveragevaluesofammonianitrogenCODMnturbidityandchromawere0.02mg/L1．82mg/L0.46NTUand6degreesandremovalratesreached99．6%71.2%99.1%and80.6%respectively．YieldingwaterindexreachedtheStandardsforDrinkingWaterQualityGB5749-2006andWaterQualityStandardsforFineDrinkingWaterCJ94-2005．Comparedwiththedosageofthataddingbeforeconventionalprocessthedosageofpowderedactivatedcarbondecreasedby20%～60%．KeywordsBAFpowderedactivatedcarbonwaterpurificationCODMnchroma“”2008ZX07423-002-1-42010－07－062010－08－131987～。[e-mail]、、1。2、、。3。、CODMn、、+。4CODMn。55。。11．1Q=48m3/hL×B×H=2m×2m×8mA=2m×2m=4m212m/h3.5mHRT17.5min16L×B×H=0．5m×0．5m×4mL×B×H=3m×2．5m×8.5mA=6m2q=8m/h2L×B×H=2m×2m×5mA=7m2。1Fig．1Flowchartofbiologicalpretreatmentandconventionaltreatment1．2pH6.30～7.1717.3～25.9℃32．1～81.3NTU3．72～7.62mg/LCODMn4．97～9.45mg/L20～40。1．3NH3-NCODMnHACH2100N。1．4211+21①+3。。6、BAF。≤5%3257≥900mg/g≥180mg/g≤10%。22．12．1．1CODMn1329～4172418～52。12CODMn9．45mg/L8．13mg/L4．97mg/L4.76mg/L6．55mg/L6．54mg/LCODMn4．83mg/L3．83mg/L25.1%40.9%CODMn2.62mg/L1．92mg/L58.6%70.2%。2CODMnFig.2ChangecurvesofdailyaveragecontentofCODMn23CODMn《》GB5749-2006CODMn＜3mg/L《》CJ94-2005CODMn＜2mg/L410293CODMnFig．3ChangecurvesofremovalrateofCODMn。、。8CODMn15．2%CODMn12．5%。2．1．212404220193131252019.4%35.5%201135.5%64.5%。4Fig．4Changecurvesofdailyaveragecontentofchroma45《5Fig．5Changecurvesofremovalrateofchroma》GB5749-2006＜15。30min917.5min-10-＜15。16.1%29%。2．2《》“5～30mg/L”1135、810mg/L67。6BAFFig．6BAFeffluentremovalratesunderdifferentdosages510257Fig．7Sandfiltereffluentremovalratesunderdifferentdosages67BAFBAF3CODMn8mg/L。8mg/L。2．38178．3cm71．5cm7cm。29．2cm。。8mg/L8Fig．8ChangecurvesofdailyaveragecontentofheadlossbeforeandafteraddingPAC10～20mg/L20%～60%。31CODMn12.5%29%。28mg/L、CODMn、99.6%、71.2%、99.1%80.6%。《》GB5749-2006＜0．5mg/L、CODMn＜3mg/L、＜1NTU＜15CODMn《》CJ94-2005CODMn＜2mg/L。10～20mg/L20%～60%。36．8cm9．2cm。。。1GayleN．DavidC．Influencesontheremovaloftastsandodoursbypowderedactivatedcarbon．WaterSupplyRe-sarchandTechnology2002518463-4742．．200531818-20ZhaoZhenyeZhangShifangSunWeietal．Adsorptioncapabilityofpowderactivecarbon．TechnologyofWaterTreatment200531818-20inChinese3．．200836121670-1673JinWeiXuZuxinCaoDawen．Studyonremovalofdis-solvedorganiccompoundsinrawwaterbypowderedactiva-tedcarbon．JournalofTongjiUniversityNaturalScienceEdition200836121670-1673inChinese4．．2009251865-70LuShaomingYangLiChenYiyunetal．High-rateUBAFforpretreatmentofmicro-pollutedrawwater．China61029Water＆Wastewater2009251865-70inChinese5．．200423512-14HuangTinglinLiuChengHeWenjieetal．StudyontheremovaloforganicpollutantfromthedrinkingwaterwiththecombinedprocessofpermanganateoxidationandPACabsorption．WaterPurificationTechnology200423512-14inChinese6．．200839819-21LiuXunLuShaoming．Effectofmicroorganismsinefflu-entfrombiologicalaeratedfilteronconventionalfeedwatertreatmentprocess．IndustrialWater＆Wastewater200839819-21inChinese7．．199938-108．．200935399-101DingYuLiuXunYangLi．Comparisonofpurificationeffectofsedimentationtankbysludgeamongdifferentrecir-culation．TechnologyofWaterTreatment200935399-101inChinese9．．200218447-4910．．2006254-56ZhangWenyiZhaiJianpingLiJin．Mechanismoftrea-tingwastewaterusingflyashabsorption．FlyAshCompre-hensiveUtilization2006254-56inChinese11．．201036141-437102