HCPACUF组合工艺处理微污染水的启动试验陈江涛

。、。UFMF、、[1-3]。。[4]。PACUF[5-6]PAC[4,7]。、、[8-14]80%[15-17]。。50g·L-1HCPAC-UF。11.1HCPAC－UF1121.4300652.150090－HCPAC-UF。HCPAC-UF、UV254、TOCNH3-N98%、82.95%、69.96%95%、UV254、TOCNH3-N94%、18.48%、8.12%、4.08%。45d70%。NH3-N、NO2--NNO3--NNO2--NNH3-NNO3--NNO2--N。HCPAC-UF。TQ028.8TU991.2A1000-3770(2011)[e-mail]3712201112TECHNOLOGYOFWATERTREATMENTVol.37No.12Dec.,2011115DOI:10.16796/j.cnki.1000-3770.2011.12.027。NOMNH4Cl1。1.21。UF0.01μm1.2mm0.8mm0.6m2。PACPAC50g·L-1。1.3HCPAC－UF、、、、、、、、,。HRT5h。PAC301HCPAC-UF。6L·h-1。28min2min30L·h-1。1.4TOCTOC-VCPNTOCUV254UV-2550-pHHANNApH211HACH2100NN-1--。22.12HCPAC-UF5.61～8.69NTU0.15NTU98%0.35NTUHCPAC－UF。2.2HCPAC－UFUV2543。HCPAC-UFUV2541～358.12%UV25418.48%PAC3UV254。NH3-N、NO2--N。HCPAC-UF1Tab.1Qualityofsourcewater/℃/NTUUV254/cm-1UV350/cm-1ρ(TOC)/mg·L-1ρ(NH3-N)/mg·L-1ρ(NO2--N)/mg·L-1ρ(NO3--N)/mg·L-1ρ(TN)/mg·L-18～117.4～8.50.152～0.3430.0569～0.1334.061～5.6116.344～8.9840.00164～0.1362.835～3.82410.458～11.8511HCPAC－UFFig.1ThesketchmapofHCPAC－UFsystem

 !#$%&2Fig.2Removalcharacteristicsofturbidity0510152025303540450123456789
/NTU/d
37121163、。HCPAC-UFUV25480%。HCPAC-UFTOC4。4HCPAC-UFTOC。TOC8.12%HCPAC-UF45dTOC69.96%TOCUV254TOCHCPAC-UF。2.3NH3-N、NO2--N、NO3--NTN5HCPAC-UF4dNH3-N6.94%11.02%NH3-N1.02%NH3-N4.08%NH3-N527NH3-N11.02%87.67%3.48%2745NH3-NNH3-N95%27d。67HCPAC-UF14dNO2--N14NO2--N3.03mg·L-1、、、[8]24dNO2--N45d0.03mg·L-1NO2--N。NO3--N24d24373UV254Fig.3RemovalcharacteristicsofUV2540510152025303540450.020.040.060.080.100.120.140.160.180.20
/%UV/cm/d20304050607080904TOCFig.4RemovalcharacteristicsofTOC05101520253035404501234567
/%
(TOC)/cm/d20304050607080905NH3-NFig.5RemovalcharacteristicsofNH3-N051015202530354045012345678910
/%
(NH-N)/mgL/d01020304050607080901006NO2--NFig.6RemovalcharacteristicsofNO2--N051015202530354045-0.50.00.51.01.52.02.53.03.5
(NO-N)/mg
L/d
7NO3--NFig.7RemovalcharacteristicsofNO3--N0510152025303540451.52.02.53.03.54.04.5
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HCPAC－UF117NO3--N37。8TN43d43d70%43d。HCPAC-UFNH3-N、NO2--NNO3--NNO2--NNH3-NNO3--NNO2--NNH3-NNO2--NNH3-NNO2--NNH3-NNO2--NNO2--NNO3--N[18]。2.49HCPAC-UF4d4。、。4,,。HCPAC-UF0.04MPa。3HCPAC-UF5.61～8.690.15NTU98%。HCPAC-UF45UV254TOCUV254TOC82.95%69.96%UV254TOC18.48%8.12%50g/L。HCPAC-UFNH3-N95%27d,43d4370%NH3-N、NO2--NNO3--NNO2--NNH3-NNO3--NNO2--N。HCPAC-UF,。[1]ShannonMA,BohnPW,ElimelechM,etal.Scienceandtechnol-ogyforwaterpurificationinthecomingdecades[J].Nature,2008,452(20):301-310.[2],.-[J].,2007,33(4):1-4.[3]StevenJD.Thefutureofmembrane[J].JAWWA,2000,92(2):70-71.[4],,,.[J].,2001,34(3):60-64.[5],,.[J].,2010,30(4):75-78.[6],,.UF[J].,2001,27(2):80-83.8TNFig.8RemovalcharacteristicsofTN0510152025303540452468101214
/%
(TN)/mgL/d01020304050607080901009HCPAC－UFFig.9TMPchangesofHCPAC－UFcombinationtechnologyset-upprocess0510152025303540450.0050.0100.0150.0200.0250.0300.0350.040
/MPa/d
3712118STUDYONRECYCLINGTREATMENTOFWASTEWATERFROMSTURGEONREARINGSYSTEMBYINTEGRATEDCONSTRUCTEDWETLANDSUNDERAERATIONLinYuliang1,2,LiGu2,ZhangShiyang2,TaoLing2,LiXiaoli2,ZhangKe2(1.FisheriesCollegeofHuazhongAgricultureUniversity,Wuhan430070,China;2.YangtzeRiverFisheriesResearchInstitute,ChineseAcademyofFisherySciences,Wuhan430023,China)Abstract:Arecirculatingaquaculturesystem(RAS)comprisedsettlingtanks,filtrationsystem(consistedofthree-stage,i.e.down-,up-andhorizontalinturn,subsurfaceflowconstructedwetlands(CWs)),aerationtanksandculturetanks.ThepresentstudyfocusedonthetransportandpurificationmechanismofwastewaterpollutantswithintheCWsandtheimpactofdifferentaerationmanners(continuouslyandintermittently)onpurifyingefficiency.Theresultsshowedthatundertheconditionofhighhydraulicloadingratethatupto6.6m·d-1,theremovalrateforNO2--Nwasupto57.8%inthefirststage;inthesecondstagemostofNO3--N,TNandTSSwasremoved,andtheremovalratewere27.9%,11.0%and67.44%;whileinthethirdstageitwasNH4+-N,CODandTPbeingmainlyremoved,andtheremovalratewere14.8%,22.8%and18.5%.ThewaterqualityofoutletfromCWswithaerationcouldmeetthestandardofsturgeoncultivationmainly.Thedistributionconditionofdissolvedoxygenwassignificantlyimprovedafterartificialaerationundertheratioofgasversuswaterflowbeing2:3,whichaccordinglyresultedinobviousaerobic\anoxiczonesinsidetheCWs.ThepurifyingcapacityoftheCWswasobviouslyincreasedbyaeration.Continuousaerationandintermittentaeration,eachhadanadvantageinwatertreatment,andcontinuousaerationhadabetterremovaleffectforNH4+-N,TN,TP,intermittentaerationhadabetterremovaleffectforNO3--N,NO2--N,whiletheremovalofNH4+-N,NO3--N,NO2--N,COD,TN,TPhadnosignificantlydifferencebetweencontinuousandintermittentaeration.Consideringsavingenergyandpurifyingeffect,intermittentmannerwasmoresuitableforaerationinthissystem.Keywords:constructedwetland;recirculatingaquaculturesystem;hydraulicloadingrate;aeration;purificationeffectTHETESTFORSLIGHTLYPOLLUTEDWATERINHCPAC-UFCOMBINATIONPROCESSChenJiangtao1,ZhuLei1,RuanTing1,2(1.SchoolofUrbanConstruction,Wuha