UASB处理高盐制药废水的试验研究吴建华

38320093　　　AppliedChemicalIndustryVol.38No.3Mar.2009:2008-12-26　　:2009-01-14:(1974-),,,,。:13862117956,E-mail:[e-mail]吴建华1,张贵清2,李娟红1,马三剑1(1.,　215011;2.(),　215011)　:3LUASB。COD2000～5000mg/L,2～5kgCOD/(m3·d),NaCl。Cl-1000mg/L5000mg/L,COD90%85%,83%。Cl-5000mg/L,,,。:;;UASB:X703　　　:B　　　:1671-3206(2009)03-0460-03TheexperimentalstudyonhighlyCl-concentratedpharmaceuticalwastewatertreatedbyUASBWUJian-hua1,ZHANGGui-qing2,LIJuan-hong1,MASan-jian1(1.InstituteofEnvironmentalProtectionApplicationTechnology,USTS,Suzhou215011,China;2.COBDHoldings(Suzhou)Co.,Ltd,Suzhou215011,China)Abstract:3LMesophilicUASB(UpflowAnaerobicSludgeBed)reactorwasusedforthetreatmentofpharmaceuticalwastewaterwithhighconcentrationofCl-.Whentheconcentrationofinfluent-CODwaskeptbetween2000～5000mgCOD/Landthevolume-load2～5kgCOD/(m3d),theconcentrationofCl-isincreasedgraduallyfrom1000～5000mgCl-/L,CODremovalefficiencyhadadecreasefromover90%toabout85%,butover83%.Itprovesthatmesophilicmicroorganismwhichisdomesticatedproperlystillcanfunctionstablyundertheconditionofhighremovalefficiencywhentheconcentrationofchlorinereaches5000mg/L.Thisoffersthedesigndataforengineering.Keywords:highlyCl-wastewater;granularsludge;UASB　　、、、,,(Cl-、Na+)。,,,、、;-,Cl-,Cl-COD、[1-3]。[4]Cl-,3000mgCl-/L,,COD,COD85%。5000mgCOD/L,5000mgCl-/L。,,、。1　1.1　　　,Cl-,,HRT24h,COD90%,COD2000～5000mg/L。,NaClCl-,Cl-。,,。:COD4500～5000mg/L,pH4～6,Cl-4800～5000mg/L。DOI:10.16581/j.cnki.issn1671-3206.2009.03.0433:UASB1.2　　　UASB,1,3:、。90mm,3L,(37±2)℃,,,,,,。1　UASBFig.1　TheUASBreactortestequipment1.3　　　(90%,1.20×103kg/m3),50.5gSS/L,VSS/SS0.63。1.4　　　、COD、pH、、,[5]。1.4.1　COD指标　(GB11914—89)。1.4.2　Cl-指标　。1.4.3　TSS、VSS指标　。1.4.4　VFA指标　。2　2.1　　　,COD1000～2000mg/L,pH[6]。,Cl-。20d,、COD2。　　2,,COD,。2　、CODFig.2　TheCODchangeofinfluentandeffluentinsludgeculturalstage　　COD,3L/d,1000mgCl-/L5000mgCl-/L,COD1500mg/L5000mg/L,14d,70d,3。3　Cl-CODFig.3　TherelationshipofCODremovalefficiencywithCl-inloadingincreasingstage　　3,Cl-,COD90%83%,COD;Cl-,Cl-。,Cl-,Cl-,,COD,。2.2　2.2.1　UASB进、出水COD与去除率变化关系　,30d,COD4。　　4,UASBCOD1500mg/LCl-=4928mg/L,COD900mg/L,80%,,46138。4　、CODFig.4　VariationsofCODandCODremovalefficiencyinthetreatingpharmaceuticalwastewaterstage2.2.2　UASB进、出水pH及VFA变化　pH,,,,pH6.8～7.2,5。5　、pHVFAFig.5　VariationsofpHandVFAinthetreatingpharmaceuticalwastewaterstage　　5,,,pH6.5,,,。,VFA1～3mmol/L,pH7.2～8.0,。2.2.3　容积负荷与产气量的关系　6。　　6,1.5kgCOD/(m3·d),2.2L,,,UASB4.5kgCOD/(m3·d),7.5L/d。UASB,,,。,UASB,1kgCOD0.6～0.68m3,。6　Fig.6　ThechargecurveofrelationbetweenVLRandbiogasproduce3　　　(1)COD2000～5000mg/L,Cl-2000～5000mg/L,COD83%。,,,。(2)COD4500～5000mg/L,4.5～5kgCOD/(m3·d),30d,COD80%,,1kgCOD0.6～0.68m3,。(3),UASB,,pH。:[1]　SmytheG.Biologicaltreatmentofsaltywastewater[J].EnvironmentProcess,1997,16(3):179-183.[2]　,,.[J].,2000,18(2):12-16.[3]　,,.[J].,2003,21(1):22-25.[4]　,,,.[J].:,2003,2(11):34-38.[5]　.[M].:,2002:210-215.[6]　RE.[M].:,2001:60-62.462