UASB反应器处理PTA废水的研究王世明

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:,,1969,2001,。UASB反应器处理PTA废水的研究王世明1,2 崔中利1 李顺鹏1(1., 210095;2., 210094) UASB,PTA,,(TA)PTA,29~32h、CODCr4600~7000mg/L、TA1800~2080mg/L,CODCr80%,TA70%;PTACODCr61%,TA40%。TA,、PTA。    UASB StudyonthePTAwastewatertreatmentbytheUASBreactor WangShiming,CuiZhongli,LiShunpeng.CollegeofLifeSciences,NanjingAgriculturalUniversity,Nanjing210095Abstract:TheeffectonthedegradationofPTAwastewaterbytwokindsofacclimatedsludgewasstudied.Theresultsshowedthat:Thesludgeacclimatedbyterephthalicacid(TA)canstablelytreatthepurifiedterephthalicacid(PTA)wastewater.UndertheconditionofHRT=29~32h,influentCODCr=4600~7000mg/L,TAconcentration=1800~2080mg/L,theCODCrremovalefficiencyisabove80%,andtheTAremovalefficiencyisabove70%.WhileunderthesameconditionthesludgeacclimatedbythePTAwastewatercanonlydegradeatmost61%CODCr,40%TA.ThebioticandphysiccharacteristicsofthesludgeacclimatedbyTAhaveimprovedmuchthanthoseofthesludgeacclimatedbyPTAwastewater.Keywords:PTAwastewater Terephthalicacid Sludgeacclimation UASBreactor Anaerobictreatment  (PTA),、、。19906.52×108t,1.0×107t[1]。,1tPTA3~4m3,(TA)、、,[2],CODCr10kgCODCr/m3,PTA。PTA-,PTATA,,PTA[3,4]。UASB,TA,PTA。1 1.1 试验装置UASB,10L,1m。1.2 试验污泥和废水来源 PTAUASB,20.6g/L,VSS47.7%。PTA PTA、。CODCr4600~7000mg/L,TA1800~2080mg/L,pH7.4~8.0。TA PTANaOH,CODCr∶N∶P=300∶5∶1N、P,pH7.4~8.0。1.3 试验方法UASB(A、B),,,29~32h。ATA,TA,50%TA,CODCr80%,TA,TA3500mg/L,120d,PTA;BPTA。·237· UASBPTADOI:10.15985/j.cnki.1001-3865.2003.04.0191.4 分析方法COD、VSS[5];TA242nm;TA:2mL,10μL,15min;2mL3%NaCl,3。2 2.1 对苯二甲酸的急性毒性TA、,1。TA500mg/L,45.4%,TA1000mg/L,21.2%。1 TA1,TA,,:T=-0.0597X+79.3 R2=0.96:T;X。[3]TA480mg/L,CODCr∶TA=6∶1,15d40%,,,TA。PTATA1700~2100mg/L,PTA。2.2 反应器运行结果CODCr4600~7000mg/L,TA1800~2080mg/L,CODCrTA2、3。2TAPTA,CODCr81%~92%,TA72%~80%。BCODCr41%~61%,TA32%~37%。PTA,TAPTA。2 APTA3 BPTA4 SVI2.3 污泥的沉降性能的变化4,ASVI()BSVI。ASVI,129mL/g,60dSVI41mL/g,(120d)SVI25mL/g,PTASVI23mL/g,。B60dSVI92mL/g,120d34mL/g,,32mL/g。2.4 污泥量的变化A、B20.6g/L,A(120d)24.3g/L,18%,,PTA44d24.8g/L,。B120d,21.5g/L,,22.3g/L,B。2.5 污泥结构的变化,。A60d,120d,,0.1~0.5mm,120d。B。·238·  25 4 200382.6 污泥中的生物量变化5,AVSS,VSS47.7%,57.8%,21.2%,58.3%,。BVSS,120dVSS48.3%,1.3%,48.5%。5 VSS2.7 两个反应器的处理效果差别的解释PTA,PTA、,TA,TA,B。TA,,,TA,A、PTA。3  TA、PTA,、,,PTA。,PTAPTA,、(SVI)。1 SavostianoffD,DidierR.DMT-TPAAsiaadvancestowardsacrushingdomination.InformationsChimie,1993,352:119~1292 RoffiaP,CaliniP,MottaL.Byproductidentificationintheterephthalicacidproductionprocessandpossiblemechanismoftheirformation.Ind.Eng.Chem.Prod.Res.Dev.,1984,23:629~6343  ,..,1993,(3):179~1864 KuangX,WangJ.Anaerobicbiodegradabilityofterephthalicacidanditsinhibitoryeffectonanaerobicbigestion.JEnviron.Sci.,1994,6(2):180~1885 ..:,1989责任编辑:陈泽军 (:2003-01-10)(上接第210页)。、(5μm)、、。(2),。1 ..:,19802 ,, ..:,19863 AmesL.Zeoliticremovalofammoniumionsfromagriculturalwastewaters.Proc.13thPacificNorthwestIndustryWasteConference.WashingtonStateUniversity,19674 HaralambousA,MaliouE,MalamisM.Useofzeoliteforammoniumuptake.WaterScienceandTechnology,1992,25(1):139~1455 MercerB.Ammoniaremovalfromsecondaryeffluentsbyselectiveionexchange.WaterPollutionContror,1970,42(1):95~1076 ,..,1995,14(1):41~427 ..,1997,17(5):21~24责任编辑:闵 怀 (:2003-06-05)350、、、、、350(SAEGⅢ)(SOLVEⅡ)。(VINTERSOL),。kiruna,1999~2000,30,。1170%,。。·239· UASBPTA

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