高盐度废水的新型膜法处理研究

、。413×105m3·d-117%。、、、、。、。。1、、。[1-4]。。3%～5%。COD。。[5-6]。、。COD。。。[7-11]、、[e-mail]。11,1121.3100122.310012。。;;;TQ028.8A1000-3700(2009)02-050-0335220092TECHNOLOGYOFWATERTREATMENTVol.35No.2Feb.,200950。。。。。3～7d、、、、、。、。。、、。。。22.1、、、。2.2、。1。、。NF200、、、。33.10.48MPa25℃NaCl2000mg·L-115%NF20035L·m-2·h-130%38L·m-2·h-135%。。。3.23.2.12。COD。1。。5dpH/mS·cm-1/%COD/mg·L-1NH3-N/mg·L-13.5～4.5185.3014.5～16.032000～40000500～7005.2541.102.15500109.57.3049.702.15600135.61Table1Qualityofmustardtuberwastewater1Fig.1Flowchartofantifoulingpropertytestingprocess
 !#$%&’(’(’()*+,-./051。。3.2.21.5MPa22～5。、NH3-NCOD2。NF200。NF20095%。99%。412L·m-2·h-1COD93%NaCl34%NH3-N74%。7d97%。[1]PanswadT,AnanC.Impactofhighchloridewastewateronananaerobic/anoxic/aerobicprocesswithandwithoutinoculationofchlorideacclimatedseeds[J].WatRes.,1999,33:1165-1172.[2]KargiF,UygurA.Biologicaltreatmentofsalinewastewaterinanaeratedpercolatorunitutilizinghalophilicbacteria[J].EnvironTechnol.,1996,17:325-330.[3]DincerAR,KargiF.Performanceofrotatingbiologicaldisesys-temtreatingsalinewastewater[J].ProcessBiochemistry,2001,36:901-906.[4],,,.[J].,1999(3):104-106.[5]LiuW,HowellJA,ArnotTC,etal.Anovelextractivemem-branebioreactorfortreatingbiorefractoryorganicpollutantsinthepresenceofhighconcentrationsofinorganic:applicationtoasyntheticacidiceffluentcontaininghighconcentrationsofchlorophenolandsalt[J].JournalofMembraneScience,2001,181:127-140.[6],,,.[J].,1999,19(5):441-444.[7],,.[J].,2000,18(2):12-16.[8],,,.[J].,2005,31(11):16-19.[9],,.[J].,2000,26(6):311-314.[10],,.[J].,2000,2(7):43-46.[11],,,.[J].,2001,14(2):51-53.02468101214024681012
Lmh d2Fig.2ChangeoffluxwithrunningtimefordifferentNFmembranes024681012148688909294
 d3CODFig.3ChangeofCODremovalratewithrunningtimefordifferentNFmembranes024681012142022242628303234NaCl
 4Fig.4ChangeofNaClrejectionwithrunningtimefordifferentNFmembranes024681012146062646668707274NH-N
 d5NH3-NFig.5ChangeofammonianitrogenremovalratewithrunningtimefordifferentNFmembranes7135252STUDYOFHIGHSALINITYWASTEWATERTREATMENTWITHMEMBRANEJINKe-yong1,ZHOUYong1,JINShui-yu1,WANGQi1,LIULi-fen2（1.DevelopmentCenterofWaterTreatmentTechnology,Hangzhou310012,China;2.ZhejiangUniversityofTechnology,Hangzhou310012,China）Abstract:Itisdifficulttotreathighsalinitywastewaterwithnormalbiologicalormembranetechnologybecauseofhighrunningcostorloweffi-ciency.Anewprocesscombinednanofiltrationandbio-chemicalmethodwasusedtotreathighsalinitywastewater,antifoulingmembraneandcraft-workwereinvestigated.Keywords：salinitywastewater;NFmembrane;combinedprocess;biologicaltreatmentANENHANCEDCOAGULATION+HYPOXIAACIDHYDROLYSIS+BIOFILM-ACTIVATEDSLUDGESYMBIOSISSYSTEMTREATINGTHEDYEINGWASTEWATERSUNGen-xing,HUANGJian-cheng（CollegeofResourceandEnvironment,ShanXiuniversityofsciencetechnology,Xi’an710021,China）Abstract:Anenhancedcoagulation+hypoxiaacidhydrolysis+biofilm-activatedsludgesymbiosissystemwasusedtotreatthedyeingsewage.TheresultsshownthattheprocesscanremovecolorandCODeffectivelyinthedyeingsewageandreduceoperatingcostof56.5%.WhenthesewageCOD800～1300mg·L-1,thecolorof500～600,Aftertreatment,CODwas95～130mg·L-1,thecolorwas50below,whichachieved“WeiheRiverBasinwaterpollutionemissionstandardsforindustrialenterprises”andthefirststandardof“textileindustrialpollutiondischargestandards”.Keywords：dyeingwastewater;SUSU-TF1;sewagereturn;biofilm-activatedsludgesymbiosissystem[1],.[J].,1990,12(3):22.[2],.[J].,1999,19(5):8.[3],,,.[J].,1991,12(12):20-21.[4].[J].,1997,18(4):26-27.[5],.[J].,2002,(3):15.[6],.[J].,2008,(4):37-40.[7],.[J].,2004,18(2):179-182.[8],,.[J].,2002,33(2):230-233.[9],.()[M].:,2004.234-235.[10],,,.[J].2006,20(2):36-39.APPLICATIONOFPOTATOSTARCHWASTEWATERBYCOAGULATIONPRECIPITATIONHANDong1,ANXing-cai2,LIJie1（1.SchoolofEnvrionmentalandMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China;2.GansuAcademyofMembraneScienceandTechnology,Lanzhou730020,China）Abstract:Thewastewaterfrompotatostarchwastreatedbycoagulation.Theresultshowedthatcoagulationnature,dosageofcoagulation,dosageform,pHandsedimentationtimehaveplayedanimportantrole.UndertheconditionsofbydosingPAC5000mg·L-1and3.2mg·L-1PAM,aswellaspHisabout10andsedimentationtimeis30minutes,theremovalratesofCODwouldbeupto58.14%,removalratesofturbidityandSSachieved91.97%and91.11%separately.Hence,coagulationprecipitationisnotonlycanlightthefollowingbiologicalprocessingsystem’sburden,butalsocanimprovetherecoveryratesofalbumenwhenapplyingitinalbumenreclaimsystems.Keywords：coagulationprecipitation;potatostarchwastewater;albumenreclaim!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!5267!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!71