城市污水二级硝化出水的离子交换脱氮除磷陈进军

28　62009　　11　　　ENVIRONMENTALCHEMISTRYVol.28,No.6November2009　2009217.　＊()(2008ZX07209-007).＊＊.E-mail:[e-mail]＊陈进军　王长伟　韩　蕙　郑少奎＊＊(,/,,100875)　　,3(201×4、D296、D301T),201×4(NaCl)、(HA)(1.1,2.89.4mg·l-1).,3,TP(0.1mg·l-1,92%),201×4(418BV),NO-3-N(69%)(97%—98%);3SO2-4HA97%—99%,71%—80%;12%;HA27%68%;HA281BV239BV,NO-3-N80%92%.　,,,.　　,A2/O,,,A,,、、.,[1—3],.,,,[4].　　,3:(1);(2).、;(3)(HA).1　1.1　　　(UEOS503,6000Da)、(20mm1　1　2　3　45　6　7　8Fig.1　Experimentaldeviceofionexchange()×510mm(),400mm)(EH-B10VC-220RI,IWAKI)(1),,.,()TP0.1mg·l-1.A2/O,1—3.　　5L·h-1,0.02MPa,10minHA.1.2　800　　　　　　　　28　　TP、SO2-4、NO-3-N、、;pH、、HANNA8424pH、HachSension5、HACH-2001P,HA254nmVarianCary50-.2　2.1　　　125.6mlGB/T5476-1996201×4、D296、D301T,21ml·min-1,1h.　　TP3、1—3.1　201×4、Table1　Effluentquality,removaleffectandexchangecapacityof201×4resincolumn/%/mg·ml-1/%/mg·ml-1/BV—285——418——pH8.28.46——8.27——/NTU0.50.45——0.42——/μS·cm-1975991——1037——TP/mg·l-11.30.1920.370.1920.51NO-3-N/mg·l-18.52.48712.312.61692.47SO2-4/mg·l-167.0———1.09927.59HA/mg·l-13.30.89730.740.92721.032　D296、Table2　Effluentquality,removaleffectandexchangecapacityofD296resincolumn/%/mg·ml-1/%/mg·ml-1/BV—162——229——pH8.28.27——8.26——/NTU0.50.51——0.58——/μS·cm-1975996——1029——TP/mg·l-11.30.1920.210.1920.28NO-3-N/mg·l-18.50.27971.340.26971.89SO2-4/mg·l-167.0———0.749915.20HA/mg·l-13.30.76770.380.98710.543　D301T、Table3　Effluentquality,removaleffectandexchangecapacityofD301Tresincolumn/%/mg·ml-1/%/mg·ml-1/BV—118——122——pH8.25.70——5.59——/NTU0.50.25——0.33——/μS·cm-19751163——1143——TP/mg·l-11.30.1920.150.1920.19NO-3-N/mg·l-18.50.26970.980.20981.02SO2-4/mg·l-167.0———2.12977.94HA/mg·l-13.30.71790.320.68800.33　6:801　　　　1—3,3(47%,41%3%),(38%,33%,27%)、NO-3-N(7%,41%,4%)HA(28%,30%,3%),.,,,3TP、、SO2-4、HA、,3:(1)201×4NO-3-N(69%)(97%—98%);(2)D301TpH,GB18918-2002pH(6—9),pH;(3)3TP、SO2-4、HA201×4、D296、D301T,201×4TP(0.51mg·ml-1),D296、D301T1.82.7;(4)201×4418BV,D296、D301T1.83.4.2.2　　　、NaCl201×4,125.6mL201×4,,:(1)(GB/T5476-1996);(2)1mol·l-1NaCl25min(16ml·min-1),40min(25ml·min-1),3.21ml·min-1(10BV·h-1),1hTP.2.2,383BV,NaCl344BV.,12%,,,,,,.2　Fig.2　Phosphatebreakthroughcurvesof201×4resinfollowingtwodifferentactivationmodes2.3　HA　　HA:(1)HA;(2).,3000Da,5000Da,10000Da2000DaHA70%[5],2000Da[6,7],6000DaHA,HA3.3,HA0—20min,60min,HA,27%(HA3.3mg·l-1),HAHA.HA0.45μm,HA,,.　　HA(4),4L4.5L,802　　　　　　　　28,0.4gO3·h-1,5min5mlHA.2hHA68%,HA1.1mg·l-1.　　,HAHA9.4mg·l-1,HA1.1mg·l-1,(HA=2.8mg·l-1),10BV·h-1HA,1hTPNO-3-N.3HAHA.3　HAFig.3　Pre-removalofHAbyultrafiltrationprocess4　HAFig.4　Pre-removalofHAbyozonationprocess　　HA,4.,1.1,2.8,9.4mg·l-1HA,3HA,201×4281,251239BV,HATP,TP0.27—0.31mg·ml-1,HAHA,,,HA.,4,HANO-3-NTP.HA,NO-3-N,NO-3-N80%92%,NO-3-N3.19—3.35mg·ml-1.4　HATable4　EffectofHAconcentrationinrawwastewaterontreatmentperformanceofionexchangeHA(mg·l-1)pH(μS·cm-1)(NTU)(BV)TPNO-3-N/mg·l-1/%/mg·ml-1/mg·l-1/%/mg·ml-11.18.5310000.582810.1920.313.04803.352.88.279830.402510.1920.291.88873.249.48.0510151.882390.1920.271.23923.193　　　(1).　　(2)NaCl,、.　　(3),HA.　　　[1]　ZengLe,LiXiaomei,LiuJindunetal.,AdsorptiveRemovalofPhosphatefromAqueousSolutionsUsingIronOxideTailings[J].WaterRes.,2004,38(5)∶1318—1326[2]　KaracaS,GǜrsesA,EjderMetal.,AdsorptiveRemovalofPhosphatefromAqueousSolutionsUsingRawandCalcinatedDolomite[J].J.Hazard.Mater.,2006,128(2—3)∶273—279　6:803　　[3]　LiY,LiuC,LuanZetal.,PhosphateRemovalfromAqueousSolutionsUsingRawandActivatedRedMudandFlyAsh[J].J.Hazard.Mater.,2006,137(1)∶374—383[4]　ZhaoDY,SenguptaAK,UltimateRemovalofPhosphatefromWastewaterUsingaNewClassofPolymericIonExchangers[J].WaterRes.,1998,32(5)∶1613—1625[5]　LoweJ,HossainMM,ApplicationofUltrafiltrationMembranesforRemovalofHumicAcidfromDrinkingWater[J].Desalination,2008,218(1—3)∶343—354[6]　,,,[J].,2007,133(11)∶49—52[7]　LiLS,ZhuWP,ZhangPYetal.,UV/O3-BACProcessforRemovingOrganicPollutantsinSecondaryEffluents[J].Desalination,2007,207(1—3)∶114—124SIMULTANEOUSNITROGENANDPHOSPHORUSREMOVALFROMMUNICIPALSECONDARYTREATMENTEFFLUENTBYIONEXCHANGECHENJin-jun　　WANGChang-wei　　HANHui　　ZHENGShao-kui(TheKeyLaboratoryofWaterandSedimentSciences,MinistryofEducation/StateKeyLabofWaterEnvironmentSimulation,SchoolofEnvironment,BeijingNormalUniversity,Beijing,100875,China)ABSTRACT　　Simultaneousremovalofnitrogenandphosphorousfrommunicipalsecondarynitrificationeffluentbyionexchangewereinvestigatedusing3kindsofstrong-baseanion-exchangeresins(201×4,D296,D301T)inadynamicmodeinacolumnreactor.Subsequently,theeffectsofresinactivationmethods(conventionalacid-basealternateactivation,NaClregenerantactivation),theconcentrationofhumicacid(HA)(1.1,2.8and9.4mg·l-1)onthedynamicadsorptionperformanceofthe201×4resinwerealsoinvestigated.Thefollowingresultswereobtained:(1)All3resinsshowedexcellentsimultaneousphosphorusandnitrogen(ni-trate)removalperformancewhile201×4resinachievedthelargestbreakthroughvolumesof418BVataleak-agelevelof0.1mgP·l-1andthelowestNO-3-Nremovalefficiency(69%),anditsSO2-4andHAremovalamountedto97%—99%and71%—80%respectively.(2)Thebreakthroughvolumesof201×4resinincreasedbyonly12%usingconventionalacid-basealternateactivationratherthanNaClre