超滤与混凝沉淀单元短流程适配的中试研究

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1,2,2,3,1,2,2,3,1,2,2,3,4,1,2,1(1.,528200;2.(),528200;3.,150090;4.,215152)[]、、,。,、CODMn、UV254,-。,,;;,,。[];;;[]X703.1[]A[]1005-829X(2015)05-0019-04Pilotstudyontheshortenedprocessbyultrafiltrationadaptingtoconventionalcoagulation/sedimentationfordrinkingwatertreatmentXieYizhong1,2,DuanYuhao2,3,FengQilan1,2,TianJiayu2,3,JiangShenghui1,2,ZhaoZhiwei2,3,ChenJie4,YangWenjie1,2,ChenWeipei1(1.GrandblueEnvironmentCo.,Ltd.,Foshan528200,China;2.GuangdongProvincialKeyLaboratory(Teaching,Studying&Research)TrainingBaseofUrbanWaterCirculatingandWaterQualitySecurityTechnologyCo.,Foshan528200,China;3.StateKeyLaboratoryofUrbanWaterResourceandEnvironment,HarbinInstituteofTechnology,Harbin150090,China;4.SuzhouLitreeUltrafiltrationMembraneTechnologyCo.,Ltd.,Suzhou215152,China)Abstract:Aimingattheinfluentinsedimentationtank,thewatersamplesfromthecentralpartofthesedimentationtank,andtheeffluentfromthesedimentationtank,respectively,pilot-scaleexperimentshavebeencarriedout.Whencouplingwithcoagulation/sedimentationatdifferentsections,thechangesoftheultrafiltration(UF)membraneeffluentwaterqualityandthefoulingcharacteristicsofultrafiltrationmembraneareinvestigated.Theresultsshowthat,asfarasturbidity,CODMnandUV254areconcerned,thecouplingprocessofcoagulation/sedimentation-ultrafiltrationatdifferentsectionsisbasicallyequivalenttothepurificationofwaterquality.However,fromtheviewpointofmembranefouling,itisfoundthatwhenthecouplingsectionwassetattheinletofsedimentationtank,themembranefoulingoftheUFmembranewasveryserious.Ontheotherhand,ifthecouplingsectionwassetattheoutletofthesedimentationtank,themembranefoulingwassignificantlyreduced.Whenthecouplingsectionwassetatthecentralpartofthesedimentationtank,themembranefoulingratewasnottooserious,althoughaslightlyhigher.Meanwhile,thefloorareaofthewaterplantcanbereducedremarkably.Keywords:coagulationandsedimentation;immersedultrafiltration;shortenedprocess;membranefouling,。,,、、、“”、〔1〕,,[](51208140);(2012A061600010)35520155IndustrialWaterTreatmentVol.35No.5May,201519〔2〕。,,;,,、。、、〔3-4〕。--,〔5-6〕。,,、。,、、,。11.1,,“--”(D)。,1。1—;2—;3—;4—;5—;6—;7—;8—;9—;10—;11—;12—;13—;14—;15—;16—;17—;18—;19—;20—;21—。1、,,1m,,。PVC,44m2,0.02μm。,1.5m3。PLC,:50L/(m3·h),90min,60s,80L/(m3·h),,,25m3/(m3·h)();16(24h),1m3。,A,B,C。,(40~50kPa),,NaOH,。1.2、、,、、CODMn、UV254NH4+-N。、CODMn、NH4+-N〔7〕,2100N,UV254UV-2550(0.45μm)。,(TMP),TMP,〔8〕TMP20℃TMP(TMP20),。1.31(A4d,B、C14d)。122.12.1.12。ABC/℃13.7±0.723.8±0.420.8±1.1/NTU13.16±4.3417.08±2.0523.82±12.50CODMn/(mg·L-1)2.40±0.341.78±0.081.86±0.12UV254/cm-10.034±0.0050.030±0.0040.036±0.004NH4+-N/(mg·L-1)0.396±0.1310.216±0.0390.212±0.0672015-05,35(5)2022,;,。,0.1NTU,0.10±0.005、0.10±0.010、0.099±0.007NTU,(0.249±0.047、0.160±0.01、0.192±0.033NTU)。,,,,。,、〔2〕,,,。2.1.2CODMn3。3CODMn3,,,A、B、C3CODMn2.40±0.34、1.78±0.08、1.86±0.12mg/L,CODMn1.19±0.06、0.98±0.11、1.14±0.10mg/L。,CODMn,49.41%±7.55%、44.63%±5.91%38.41%±5.61%。,,,CODMn。,,,。,,CODMn1.2mg/L,(GB5749—2006)。UV254:,UV254,0.033±0.005、0.030±0.004、0.036±0.004cm-1;A、B、C3UV254,27.05%±6.89%、27.48%±4.77%、27.73%±5.34%。,,UV254/,UV254。UV254,,。,UV254,(/),,,。2.1.3-NH4+-N。,/NH4+-N,,A、B、C3NH4+-N0.330±0.10、0.160±0.023、0.207±0.046mg/L;NH4+-N0.318±0.095、0.024±0.005、0.109±0.016mg/L;NH4+-N2.82%±2.14%、64.67%±7.43%、40.41%±11.80%。,NH4+-N。A2015-05,35(5),:2113.7℃,;,4d,NH4+-N。B23.8℃,,,NH4+-N。C20.8℃,,NH4+-N。,NH4+-N,,NH4+-N,。2.2,TMP204。4TMP204,ATMP20,4d,12.49kPa39.42kPa,7.69kPa/d。B、CTMP20A,14d,BTMP2012.82kPa53.49kPa,2.91kPa/d;CTMP2041.90kPa,1.96kPa/d。,A,,,,,TMP20。B,,,,,,TMP20。C,,B,TMP20。3(1)-,“--”。(2)3。(3),TMP207.69kPa/d;TMP201.96kPa/d;,,2.91kPa/d,。,,,,,。[1]AntonyA,BlackbeardJ,AnglesM,etal.Nonmicrobialindicatorsformonitoringvirusremovalbyultrafiltrationmembranes[J].JournalofMembraneScience,2014,454:193-199.[2],.———[J].,2007,33(4):1.[3],,,.[J].,2013,29(22):64-70.[4],,,.--[J].,2012,18(8):51-52.[5],,,.[J].,2012,38(6):9-13.[6],,,.[J].,2012,6(5):44-47.[7].[M].4.:,2002:20-30.[8]LiangHeng,YangYanling,GongWeijia,etal.Effectofpretreatmentbypermanganate/chlorineonalgaefoulingcontrolforultrafiltration(UF)membranesystem[J].Desalination,2008,222(1/2/3):74-80.——————————[](1964—),,。E-mail:nhxyz@sina.com。:,,,。E-mail:tjy800112@163.com。[]2015-04-05()2015-05,35(5)22

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