COD色度同步降解的酱油废水处理工艺研究

35520035JOURNALO[e-mail]7.0~7.2SBRCa2+COD.SBR.X703A0367-6234200305-0597-05SaucewastewatertreatmentprocessbasedonsynchronousdegradationofCODandcolorTIANYuZHENGLei1.SchOOIOfMunicipaIandEnvirOnmentaIE[e-mail]IysisOfthecharacteristicsOfsaucewastewateranditstreatmentdifficuItiesanefficienttreatmentprOcesshasbeensuccessfuIIydesignedtOsOIvetheprObIemOfcOIOrIighteninginanaerObiccOnditiOnanddarkeninginaerObiccOnditiOnwhichresuItsinasynchrOnOusdegradatiOnsOfcOIOrandCOD.ThestudyOntheef-fectOfOxidantreducertemperatureandmetaIiOnsOnthedecOIOratiOnindicatesthatmaintainingpHinarangeOf7.0~7.2andaddingabitOfOxidantsOrapprOpriatemetaIiOnsespeciaIIyCa2+synchrOnOusdegradatiOnOfCODandcOIOrcanbeachievedandrepeatedcOIOrtransfOrmcanbeavOidedeffectiveIy.TheimprOvedsaucewastewatertreatmentprOcessmOduIatiOn-depOsitiOn-hydrOIizatiOn-!SBRcandecOIOrizewastewaterindependentOffIOatatiOnreducetheamOuntOfactivesIudgeprOducedandshOrtentheprOcesseffectiveIythustheOperatingcOstisIOweredwhiIethetreatingcapacityisimprOved.KeywordssaucewastewatercOIOrsynchrOnOusdegradatiOn2003-02-21.1968-..1t7~10t1t6~9t.1BODCODSS23..AOSBR.COD50~70mg/L30!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.1!!COD3000mg/L500.COD1300mg/L300~400SBRSBRCOD750mg/L.!#SBR15L10L1.12345!SBR6SBR71SBRFig.1Diagramoftwo-stageSBRreactorinseriesSBRSBR!SBR!4.5~5.012.01!SBR!4.51!2.01!.!$JH-12CODpH.pHpHS-WCOD.2#!COD!SBRSBRCOD2~5.2~5!SBR51-19.4%COD49.6%.SBR2113027.8%.4.5138.9%COD52.2%.SBR4.01CODCOD120~150mg/L110.2!SBRFig.2Variationof!SBRcoIorwit1aerationtime3!SBRCODFig.3Variationof!SBRCODwit1aerationtime4SBRFig.4VariationofSBRcoIorwit1aerationtime895355!SBRCODFig.5Variationof!SBRCODwithaerationtimel4.SBRCOD.2!SBRCOD.!SBRCOD.SBRCOD.!!NaCIONa2SO3SBR!SBR.l0mg/L.NaCIONa2SO34.5hCOD6~9.6NaCIOFig.6VariationofhydroIyticwastewatercoIorbeforeandafteraerationatdifferentNaCIOdosage7NaCIOCODFig.7VariationofhydroIyticwastewaterCODbeforeandafteraerationatdifferentNaCIOdosage8Na2SO3Fig.8VariationofhydroIyticwastewatercoIorbeforeandafteraerationatdifferentNa2SO3dosage9Na2SO3CODFig.9VariationofhydroIyticwastewaterCODbeforeandafteraerationatdifferentNa2SO3dosage67COD.CODlmg/LCODCOD56.0%8.4%2.7%33.5%l~7mg/L3mg/LCOD7mg/LCODCOD.9955CODCODCODCOD.896mg/LCODCOD.CODCOD510.1COD2COD.2.31011.101135C506070C8090C90C80C.1035~70CFig.10VariatiOnOfhydrOiyticwastewatercOiOrwithtempera-ture35~70C118090CFig.11VariatiOnOfhydrOiyticwastewatercOiOrwithtempera-ture8090C.34.10C3~524.35C.506070C.8090C.COD.COD.2.4Ca2+SBRCODCa2+CaCH3COO2SBR4.5hCOD1213.1213Ca2+SBRCODCOD700mg/LSBRCa2+1.8g/L.!SBRCOD90mg/L40.4%4089.7%109.1%.Ca2+00635SBR.12CaCH3COO2Fig.12VariationofhydroiyticwastewatercoiorbeforeandafteraerationatdifferentCaCH3COO2dosage13CaCH3COO2CODFig.13CurveofhydroiyticwastewatercoiorbeforeandafteraerationatdifferentCaCH3COO2dosageCa2+SBRCa2+.Ca2+Ca2+CODCOD.Ca2+!SBR!SBR3hSBRCa2+2~3h.Ca2+.!SBRSBRSBR.31COD.2pH7.0~7.2SBRCa2+COD.3SBR.1.J.199511221-23.2.J.199022115-20.3RODRIGUEZCBARCELGMARTZNEZG.Wastewaterfermentationandnutrientremovaiinseguencingbatchreac-torsJ.WaterSci.&Tech1998381255-264.4.J.19932521-8.5.M.1984.6.M.2000.7JAHNMBAYNESWJSPITELLERG.ThereactionofhyaiuronicacidanditsmonomersgiucuronicacidandN-acetyigiucosaminewithreactiveoxygenspeciesJ.Carbo-hydrateResearch19993213228-234.8RAYMONDMDVJULESBREN#Oetal.Phagedis-piayseiectsforamyiaseswithimprovediowpHstarch-bindingJ.JournaiofBiotechnoiogy2002961103-118.9.M.1995.10FRIEDMANM.FoodbrowninganditspreventionanoverviewJ.JAgricFoodChem199644631-648.1065COD