超滤纳滤工艺在高盐印染废水处理中的应用及脱盐效果分析焦涛

+（，210036）：+，、pH，。：NaCl，CODTOC80%；5∶2，，63.4%60.3%，93.8%；pHCODTOC77.2%93.6%，98.4%，，9500mg/L563mg/L，94%，。：；；:X7:B:1674-4829（2010）06-0004-040，，，，。，。，2006，40×109m，30%。6，COD4，，，，，、，[1]。，，，、、COD、BOD/COD，、，、、，，、、[2-4]。、，，、、、、：2010-09-06：（1981－）,,,,,.ApplicationofUltrafiltrationandNanofiltrationProcessinTreatmentofDyeingWastewaterwithHighSaltandItsDesaltingEffectJIAOTaoAbstract：Inthedyeingwastewatertreatmentprocessofultrafiltrationandnanofiltration,thetypeofsaltandpHofwastewaterwerechangedtoanalyzetheeffectsofrelevantfactorsonthewastewatertreatment.TheresultsshowthatthetotalremovalratesofCODandTOCaremorethan80%,respectively,byusingthemixtureofNaClconcentrationasthemainauxiliarywashing.Whenalkalinevatdyewastewaterinwhichsulfateisthemainadditiveandthefirstformedrinsewateraremixedby5∶2involume,thenanofiltrationprocesscanremoveelectricalconductivityandsaltwell,theremovalratesare63.4%and60.3%,respectively,andtherateofcolorremovalis93.8%.AfteradjustingpH,forthedyevattotalwastewater,thetotalremovalratesofCODandTOCare77.2%and93.6%,respectively,andtherateofcolorremovalis98.4%,meanwhile,itsdesaltingeffectiswell.Inthisprocesstotalsaltvolumecandecreasefrom9500mg/Lto563mg/L,andthedesalinationratearrivetoabout94%,whichcanreducethevolumeofsaltinthedischargedwastewater.Keywords：Ultrafiltration;Nanofiltration;Dyeingwastewater236201012EnvironmentalScienceandTechnologyVol．23No．6Dec．201023657606380208063.95320106049.081.6CODCr50364320659.1164987.4857.582.6TOCρρρ/％/％mg·L-12CODTOCρρ/％，[5-10]。+。+，，，。11.1：（1）：。，，（）。（2）：，250L，5∶2，250L，80L。（3）：H2SO4pH6.34，，。1.2，，：，；，，，、，、，、。，。1NF，2，2NF。1。22.12.1.1，1。2．1．2CODTOC，，CODTOC2，2。2，COD63.9%，TOC59.1%。COD49.0%；TOC57.5%。CODTOC，CODTOC80%，。2.1.3312、321423，3。3+，99%，3，，，，。2.1.44。4，NaCl，5.35％。11ρ（TOC）/(mg·L-1)367～503/(μs·cm-1)38.4～40.5ρ（CODCr）/(mg·L-1)3400～5760/3000～4500+/％/％4500510042006.710000899.899.830003125250016.75099.999.932142/％352010122.25。5，5∶2，pH12，ρ（TOC）441mg/L，ρ（CODCr）5330mg/L，，8/％/％/％/％pH6.346.726.79-8.487.65-8.569.05--ρ（TOC）3022882952.384958.380.218867.4-77.2ρ（CODCr）29903090231022.7815047579.489314868.893.6ρ（SO42-）29702050191035.71030078459.063215580.291.9ρ（Cl-）40026225735.8160279-6662712.9-ρ（Na＋）3850358035607.51380071280.0173024665.493.1/（μs·cm-1）137001370013800-58300332075.97300137058.790.1ρ（）9500110009310-3570089691.9140056337.294.9/5121020128754100893.832275.098.4ρ（）369093--8-238--mg·L-1pH6.34ρ（TOC）302ρ（CODCr）2990ρ（SO42-）2970ρ（Cl-）400ρ（Na＋）3850/（μs·cm-1）13700ρ（）9500/512ρ（）367mg·L-1TOCCOD37.6％14.4％。75％。SO42-，Cl－，Na＋，，。6。pH12.068.978.24ρ（TOC）ρ（CODCr）ρ（SO42-）ρ（Cl-）ρ（Na＋）/（μs·cm-1）ρ（）//％-27580311358.945609540238047.86801370043236.5608180624-404013100162059.91970023600722063.41200014900476060.32050205012893.86mg·L-1/％/％38.4381.0435.17.638.592.432.410.822.34.565.35/（μs·cm-1）ω（）/％/％4/％pH121212.06-ρ（TOC）441300027537.6ρ（CODCr）533015200456014.4ρ（SO42-）348114680-ρ（Cl-）31787.6608-ρ（Na＋）395048604040-/（μs·cm-1）187002040019700-ρ（）1220029000120001.6/81908190205075.05mg·L-16，128，4760mg/L。，，/0.2Pa/0.19Pa，3min，90L/h54L/h，，，，。2.32.3.1H2SO4pH6.34，，。518～530，7，pH，SO42-，COD。2.3.28。8，H2SO4pH6.34，SO42-680mg/L2970mg/L，SO42-35.7％，75％，。6236[12]LINY,WALMSLEYAR,ROSENBP.Anarsenicmetal-lochaperoneforanarsenicdetoxificationpump[J].PNAS,2006,103(42):15617-15622.[13]SELCKH,FORBESVE.Therelativeimportanceofwateranddietforuptakeandsubcellulardistributionofcadmiuminthedeposit-feedingpolychaete,CapitellaspI[J].MarineEnvironmentalResearch,2004(57):261-279.[14]STEENREDEKERE,CAMPENHOUTK,BERVOETSL,etal.Blust.SubcellulardistributionofCdintheaquaticoligochaeteTubifextubifex,implicationsfortrophicavail-abilityandtoxicity[J].EnvironmentalPollution,2007(148):166-175.[15]STORELLIMM,MARCOTRIGIANGO.Subcellulardis-tributionofheavymetalsinliversandkidneysofStenellacoeruleoalbaandTursiopstruncatesfromtheMediterraneanSea[J].BaselineMarinePollutionBulletin,2002(44):71-81.[16]LUISE,HEMANDEZ,ESTHERL,RODRIGUEZ,etal.Influenceofcadmiumontheuptake,tissueaccumulationandsubcellulardistributionofmanganeseinpeaseedlings[J].PlantScience,1998(132):139-151.[17],.[J].,2008,27(2):452-456.[18],.[J].,2005(2):1-5.[19]，，.[J].,2006,27(2):147-151.[20]，.[J].,2008,18(2):29-32.[21]，.[J].,2009,24(5):19-22.[22],,,.Hg2+[J].，2009,37（33）：16727-19728.[23]，，.[J].，2009,28(1):31-37.（）（3）!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!+2，ρ（）563mg/L，ρ（SO42-）155mg/L，，，，ρ（）9500mg/L563mg/L，94%，。ρ（TOC）67.4mg/L，ρ（CODCr）148mg/L，77.2%93.6%。3（1）NaCl，CODTOC80%，，99%，，5.35％。（2）5∶2，pH12，，63.4%60.3%，93.8%。（3）pHCODTOC，77.2%93.6%，，98.4%。，9500mg/L563mg/L，94%，。[][1],,．[J]．,2005,31(8):46-48．[2],，．[J]．,2000,26(10)：33．[3],,,．[J]．,2006（4）:63-65．[4]SCHOEBERLP.Treatmentandrecyclingoftextilewastewater-casestudyanddevelopmentofarecyclingconcept[J].Desalination,2005,171(2):173-183.[5],,．TiO2[J]．,2000(1):79-82．[6],,．PDMDAAC-[J]．,2005,31(12):16-19．[7]MARCUCCIM,NOSENZOG,CAPANNELLIG,etal.Treatmentandreuseoftextileeffluentsbasedonnewultrafiltrationandothermembranetechnologies[J].Desalination,2001（138）:75-82.[8]MARCUCCIM,CIARDELLIG,MATTEUUCCiIA,etal.Experimentalcampaignsontextilewastewaterforreusebymeansofdiffere