大型UASB处理阿维菌素废水厌氧污泥颗粒化研究李再兴

1　8环境工程学报Vol.1,No.820078ChineseJournalofEnvironmentalEngineeringAug.2007UASB李再兴1,2　宋存义1　杨景亮2　郭建博2　邢丽楠2(1.,100083;2.,050018)　　UASB,,189d,。,。UASBpH4～5、COD8890～12100mg/L、10.5kgCOD/m3·d,COD85%,COD1308～1670mg/L。　　UASB　　　X703　　　A　　　1673-9108(2007)08-0062-04Studyonthesludgegranulationinlarge-sizedUASBreactortreatingavermectinwastewaterLiZaixing1,2　SongCunyi1　YangJingliang2　GuoJianbo2　XingLinan2(1.CivilandEnvironmentalEngineeringSchool,UniversityofScienceandTechnologyBeijing,Beijing100083;2.SchoolofScienceandEngineering,HebeiUniversityofScienceandTechnology,Shijiazhuang050018)Abstract　Afull-scaleUASBseedingwithactivatedsludgewasoperatedtotreatavermectinfermentationwastewater.Thebioreactorwasstart-upsuccessfullyandthesludgewascompletelygranulatedafter189days.Theresultssignifiedthat:throughcontrollingtheconcentrationofAVMintheinfluentbyadjustingwastewaterqualityandcultivatingtheanaerobicsludgeforalongtime,theinhabitingeffectofavermectinonanaerobicdi-gestionwasalmosteliminated.WhenthepHvalueofUASBinfluentwas4～5,theinfluentCODwere8890～12100mg/L,thevolumetricCODloadingratereached10.5kgCOD/m3·d,theCODremovalratereached85%,theeffluentCODwere1308～1670mg/L.Keywords　avermectinwastewater;full-scaleUASB;wastewatertreatment;sludgegranulation:(06276705);:2006-12-01;:2007-05-24:(1973～),,,,。E-mail:[e-mail]　　,、、、、,[1]。-[2],UASB,UASB、[3,4]。UASB,[5,6];,,,,,、。(avermectin,AVM),UASB,。1　1.1　500m3(UASB),9m,8m。1.2　,:pH3.5～4.5、COD27000～32000mg/L、SS1500～1800mg/L、8:UASBAVM195～215μg/L。1.3　,25gVSS/L,57.3mLCH4/gVSS·d。1.4　pH:pHS-3[7];COD:[7];SS:[7];(VSS):[7];:。2　,,,189d。,4。(1)(1～44),。,,。1kgCOD/m3·d,pH8.0～8.5,COD3220～4140mg/L。44d,3.4kgCOD/m3·d,COD76.8%,,,。,,。40,,,0.1～0.2mm。,,。(2)(45～96),。,,COD80%,3～5d,,1kgCOD/m3·d。COD4080mg/L6546mg/L,3.2kgCOD/m3·d5.1kgCOD/m3·d。60,,,,0.6mm,,,、,,。,,、,,,,。90,,1mm,,,、。(3)(97～163),。COD6450～11100mg/L,,1kgCOD/m3·d。4.9kgCOD/m3·d9.8kgCOD/m3·d。,、,,,。120,1～1.5mm,,、。160,,,,,1～2mm,,,,。(4)(164～189),。25d,:COD8890～12100mg/L,10.5kgCOD/m3·d,COD86%,COD1308～1670mg/L。,。,,,,631,1～2.5mm,1.082g/cm3,65.3m/h,299mLCH4/gVSS·d。,,,。12。1　CODFig.1　RelationshipbetweeninfluentandeffluentCOD2　CODFig.2　RelationshipbetweenremovalrateofCODandorganicloadrate3　3.1　AVMAVM[8],:25μg/L、50μg/L、100μg/L,、。AVM200μg/L,。,,AVM15～20μg/L,AVM。40d,AVM,。AVM,AVM50～95μg/L,AVM5～8μg/L。,AVM,、,AVM,[9]。3.2　2,,,,1kgCOD/m3·d,。,,COD85%。,178、1842,13.4kgCOD/m3·d14.3kgCOD/m3·d,,。3.3　HRTCOD3。3　HRTCODFig.3　RelationshipbetweenHRTandCODremovalrate,,(HRT)。,HRT71h30h,COD1.1kgCOD/m3·d10.1kgCOD/m3·d,COD80%,。,COD,,,HRT,,。3.4　()(648:UASB)、。。4。4　Fig.4　Relationshipbetweeninfluentliquidup-flowvelocityandgasup-flowvelocity4,,,,。44d,3.3kgCOD/m3·d、0.22kgCOD/kgVSS·d、0.26m3/m2·h、0.49m3/m2·h,;5.1kgCOD/m3·d、0.40kgCOD/kgVSS·d、0.29m3/m2·h、0.96m3/m2·h,。,。3.5　pH,pH。,,pH8～8.5,CODCOD,。,1200mg/L,pH,pH4～5,pH7.6～8.4,,。4　　(1)UASB,,189d,。(2),。AVM50～95μg/L,AVM5～8μg/L。(3)UASBpH4～5、COD8890～12100mg/L、10.5kgCOD/m3·d,COD85%,COD1308～1670mg/L。[1],,,..,1997,18(3):83～85[2],,..,2002,35(2):44～48[3],,..,2006,7(6):19～23[4],,,.UASB.,2005,28(2):22～25[5],,,..:,2003[6],,.UASB.,1997,15(3):11～15[7]《》.().:,2002[8],,,..,2001,19(1):13～15[9],,,.--.,2002,3(4):5～865