:0253-2468(2002)-06-0792-04 :X703 :AEGSB-CAAS任洪强,丁丽丽,王晓蓉* (, 210093):“EGSB-CAAS”,COD36960—43182mgL、SS6562—10904mgL,,“EGSB-CAAS”,CODSS99%,.:;EGSB;FullscaleEGSBandCAAScompositeprocessfortreatingteaployphe-nolswastewaterRENHongqiang,DINGLili,WANGXiaorong (SchoolofEnvironment,NanjingUniversity,Nanjing 210093)Abstract:ThecompositesystemofEGSBandCAASreactorfortreatingteaployphenolswastewaterwasstudied.Theresultshowedthat,whentheinfluentwithCODconcentration36960—43182mgLandSS(6562—10904mgL)waspretreatedbythecoagulativefloatationunit,theremovalrateofCODandSSwereover99%andtheeffluentCODandSSofthecompositesystemreachedtotheintegratedwastewaterdis-chargestandard.Keywords:anaerobicdigestion,expandedgranularsludgeblanketreactor(EGSB),teaployphenolswastewater:2002-01-21;:2002-02-24:(1964—),,(), *,Email:ekxr@nju.edu.cn.,、、、、[1],..,,(ExpandedGranularSludgeBlanket,EGSB),(CAAS),.1 1.1 ,:COD36960—43182mgL;pH6.5—7.2;SS6562—10904mgL.1.2 1.,,EGSB,EGSB.CAAS,、.226200211 ACTASCIENTIAECIRCUMSTANTIAEVol.22,No.6Nov.,2002DOI:10.13671/j.hjkxxb.2002.06.021 EGSBCAAS 1 Fig.1 Theprocessofteaployphenolswastewatertreatment1.3 EGSB,75m3,.4,,、.,;CAAS,(ZL99228259.4).1.4 pH、COD、SS[2]2 2.1 (SS).,1‰—1.5‰.,,,,.18.1 Table1 Theeffluentofcoagulativefloatationunit,COD()SS(),mgL,mgL,%,mgL,mgL,%123456783696039815375804120240976431823965038586259062731426096289652816029728261012664930.931.430.629.731.331.234.230.99785109049912656274098692780490432165266919821276152216791674200377.875.580.080.579.580.678.577.9 1,COD36960—43182mgL,SS6562—10904mgL,,COD29.7%—34.2%,SS75.5%—80.6%,.2.2 EGSBEGSBUASB[3].,:,;、,.2.2.1 7936:EGSB-CAAS2 Fig.2 TheresultsofEGSBreactorstart-up,:COD4000—5000mgL,COD1.0—1.5kg(m3·d).7d,COD60%87.5%.,,50%.20d,COD3.5kg(m3·d),95%.2.2.2.2 .COD.:COD,COD85%,3—5d,30%—50%.25d,COD4000—5000mgL26210—28960mgL,COD3.5kg(m3·d)12.5—12.7kg(m3·d),.3.3 EGSBFig.3 TheresultsofEGSBreactorathigherCODloading,..EGSB63d,COD14.4kg(m3·d),COD82%,COD,6d(3).3,69d,COD21.5kg(m3·d),COD71.8%,、,7d,,EGSBCOD10kg(m3·d)—12kg(m3·d),COD85%.2.3 CAAS4 CAASCODFig.4 TheCODremovalrateandHRTofdifferentregionsinCAAS,,,,[4],.CAASCOD.、、、,,,.4COD7.4,CAAS18h,、、4.9h—5.2h、1.8h—2.2h、2.9h—3.5h、8.7h—9.6h,COD794 2213.6%—16.2%、21.9%—23.1%、9.6%—11.5%、40.1%—45.2%.2 CAAS()Table2 TheoperationresultsoftheCAASreactor,dCOD,mgLCOD,mgLCOD,%1—56—1011—1516—2021—3031—4041—5051—602922315730192954287530512998311729830631929124427823425389.890.389.490.291.590.992.291.9 ,CAASEGSB.EGSBCOD2875—3117mgL,CAAS.(DO)0.5mgL—1.0mgL,,,;(DO)1.5mgL,,;,,COD,2CAAS60d,CAAS,COD89.8%—92.2%.2.4 ,、.3.3 Table3 TheexperimentalresultsoftheprocessCODSS,mgL,mgL,%,mgL,mgL,%136960—4318225906—2972830.56562—109041276—266978.82EGSC25906—297283212—375991.31276—2669452—51994.43CAAS2875—3117234—31999.2452—51997—15198.54234—31925099.497—15152—6599.3COD250mgLSS70mgL 3,CODSS99%.,SS78.8%(),,EGSBCOD,COD60.8%;“CAAS+”COD,.3 ,EGSB-CAAS,.,,COD36960—43182mgL,SS6562—10904mgl,COD250mgL,SS70mgL,CODSS99%,.:[1] ,,.[J].,1998,14(2):235—239[2] 《》.()[M].:,1989[3] LettingaG,FieldJ,vanLierJ,etal.Advancedanaerobicwastewatertreatmentinthenearfuture[J].WaterScienceTechnology,1997,35:5—12.[4] Tanaka,Naoya,Hvitved-Jacobsen,Thorkild.Transformationsofwastewaterorganicmatterinsewersunderchangingaerobicanaerobicconditions[J].WaterScienceandTechnology.1998,37:105—1137956:EGSB-CAAS