ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY 2010301[]2009-08-12;[]2009-10-12。[](1984—),,,,。13770602108,conquer1984@hotmail.com。:,025-83596781,hqren@nju.edu.cn。[](108150)。EGSB—MBBR , ,,(,210093)[](EGSB)—(MBBR)、(COD≥10000mg/L,BOD5/COD0.3)。:(37±1)℃、(HRT)15.4h、COD10000mg/L,EGSB5.31kg/(m3·d),COD95%;、HRT48.0h,MBBRCOD100mg/L,BOD530mg/L,GB8978—1996《》。[];;;[]X703 []A []1006-1878(2010)01-0048-04TreatmentofHigh-concentrationPolyesterWastewaterbyEGSB-MBBRProcessWangXiang,WangZhao,DingLili,RenHongqiang(StatekeyLaboratoryofPollutionControlandResourceReuse,SchoolofEnvironment,NanjingUniversity,NanjingJiangsu210093,China)Abstract:Anexpandedgranularsludgebed(EGSB)-movingbedbiomembranereactor(MBBR)systemwasusedtotreathigh-concentrationandrefractorypolyesterwastewater(COD≥10000mg/L,BOD5/COD0.3).Theexperimentalresultsshowthat:Undertheconditionsoftemperature(37±1)℃,HRT15.4h,influentCOD10000mg/L,thevolumeloadingofEGSBcanreach5.31kg/(m3·d)andtheCODremovalratecancomeuptoabove95%;UndertheconditionsofambienttemperatureandHRT48.0h,theCODandBOD5ofMBBReffluentcanbelessthan100mg/Land30mg/Lrespectively,whichcanmeetthefirstgradestandardsofGB8978-1996.Keywords:polyester;expandedgranularsludgebed;movingbedbiomembranereactor;wastewatertreatment (PVA),COD(50~20000mg/L),、、、[1]。—。————[2]———[3],COD20000mg/L,COD150mg/L。——()[4~6],COD2000~8400mg/L,COD150mg/L,BOD530mg/L。UASB(AFFFBR)—(ASP)[7,8]。PVA。,,,。PVA,·48· 1.EGSB—MBBR(EGSB)—(MBBR)PVA,,。1 实验部分1.1 PVA。,,,pH3.0~5.0;,COD(0.8~1.2)×104mg/L,BOD5/COD0.3;NP;、(1μg/L);,。EGSBCUASB。,1~3mm,SSVSS71.82g/L48.6g/L。J-A1100(ICP):Jarrell-Ash。1.2 EGSB,MBBR,。EGSB1.8L,50mm,80mm;(37±1)℃;,24h,1L;6.0m/h,(HRT)15.4h;pH8.0~9.0,NP。MBBR2.0L;、,MBBR50%;,,DO5mg/L;,24h、,、1L,HRT48.0h。1.3 EGSBMBBREGSBMBBR。EGSB。(1~50)。(1~23),COD1000mg/L,COD500mg/L;(24~50)COD4000mg/L,。(51~67)。COD,1000mg/L。MBBR。(1~23),COD200mg/L,COD100mg/L。(24~67)MBBREGSB。1.4 pH、COD、BOD5、TN、TPSSVSS[9];ICP。2 结果与讨论2.1 EGSBEGSBpH1。EGSBCODCOD2。EGSB3。1 EGSBpH·49· ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY 2010303 EGSB 1、23:,,,,pH,COD,17%;6,23,pH7.5,COD400mg/L,COD90%。24,,EGSBpH,COD,,,,;,EGSBpH7.5,COD,([10](USSB),)。50d,EGSB,pH7.5,COD400mg/L,2.12kg/(m3·d)。51,1~2d,pH、COD;,pH,COD。[11]UASBCODCOD。,,2.50kg/(m3·d)5.40kg/(m3·d)。67,EGSBCOD10000mg/L,pH7.5,COD500mg/L,COD95%,5.31kg/(m3·d)。2.2 MBBRMBBRpH4。MBBRCODCOD5。45:5d,,COD,COD,COD;9,COD80mg/L,COD77%,,,COD;10,23,COD500mg/L,pH7.8,COD80mg/L,COD85%。4 MBBRpH,MBBREGSB。EGSB,EGSB1~2d,MBBRpHCOD;EGSB。EGSB,MBBR,·50· 1.EGSB—MBBR。,MBBRpHCOD,MBBR。,MBBRpH7.6~7.8,COD100mg/L,BOD530mg/L,GB8978—1996《》。3 结论a)(37±1)℃、HRT15.4h,EGSB70d,PVA,COD10000mg/L,pH7.5,COD500mg/L,COD95%,5.31kg/(m3·d)。b)EGSBMBBR,、HRT48.0h,,MBBRpH7.6~7.8,COD100mg/L,BOD530mg/L,GB8978—1996《》。 1 ,,..,2003,16(2):27~302 ,,..,2001,14(1):18~213 ..,1991,11(5):285~2884 ,..,1990,10(3):144~149,1535 ..,2005,18(6):32~346 ,,.UASB//.,2007,23(10):50~547 RobbertK,JudithB,LookW,etal.Highratetreatmentofterephthalicacidproductionwastewaterinatwo-stageanaerobicbioreactor.BiotechnolBioeng,2005,91(2):169~1798 PophaliGR,KhanR,DhodapkarRS,etal.Anaerobic-aerobictreatmentofpurifiedterephthalicacid(PTA)effluent;atechno-economicalternativetotwo-stageaerobicprocess.JEnvironManage,2007,85:1024~10339 《》..4.:,200210 ,.USSB.,2006,7(6):138~14111 ,..,2006,16(3):50~51,57(编辑 王 馨)··(PVA)--。PVA、50~100,2~10,2~20g/L,0.1~0.5g,、KCl10~50g/L、CaCl25~25g/L。,2mm,2~10h,,,。、,、。/CN101497880,2009-08-05。,:(1)pH2.5~4.5;(2);(3);(4)pH7~9,;(5);(6),。,,,,,,。/CN101519260,2009-09-02·51·