UBF物理化学组合工艺处理Zn5ASA医药废水的研究孙剑辉

　　,、、、,:,:13908301930,[phone]　:401147　:126B17-8:2002—12—11:(1957-),,,,。(001200216)UBF-Zn5-ASA孙剑辉1,买文宁2,倪利晓1(1.,　453002;2.,450002)　　　:-UBF-Zn5-ASA。,COD8000～10000mg/L,7000～9000Zn5-ASA,H2SO4,,COD20%;UBF,HRT10.57h,COD83%～89%;,,COD1000mg/L,GB8978-96,10。:,UBF,,:X703　　　:A　　　:1001-2141(2002)04-0044-03StudyonTreatmentofZn5-ASAMedicalWastewaterbyUBF-PhysicalChemistryProcessSunJianhui1,MaiWenning2,NiLiaoxiao1(1.EnvironmentalScienceandEngineeringKeyOpenLaboratoryofHenanUniversities,CollegeofChemistryandEnvi-ronmentalScience,HenanNormalUniversity,Xinxiang,453002;2.ZhengzhouUniversity,Zhengzhou450002)Abstract:Theprocessofsandfilter-UBFanaerobic-flocculantprecipitationhasbeenemployedtotreathigh-strengthZn5-ASAmedicinewastewater.Theexperimentresultsshowedthatadjustingbeforehand8000-10000mg/LZn5-ASAwastewaterofCODconcentrationwithlimeandH2SO4couldproducealargenumberofflocculantprecipitation,andCODcouldremove20%orsothroughsandfiltercolumn.ThesandfiltereffluentwasusedasinfluentofUBFreactorwithpolypropyleneringfilter.WhenHRTwascontrolledat10.57h,theremovalrateofCODcouldachieve83%-89%.Afterchemicalflocculantprecipitation,theeffluentCODconcentrationwasmuchlessthan1000mg/L,thecoloritywaslessthan10bei.TheeffluentconformedtoGB8978-96thethirdemissionstandard.Keywords:Medicinewastewater,UBFanaerobic,Sandfilter,Flocculant.　　1984,Guiot[1]AFUASB-(UpflowBlangketFilter,UBF),,,,,[2-3],COD20%[4],。5-(Zn5-ASA),,COD、、(5-)。UBF-,,。1　1.1　UBF,9.456L,6.03L,3.15L;79.4%,1/3。,35±1℃。,1:1.2　Zn5-ASA,7000～9000,pH=6.8～7.0,COD8000～10000mg/L,BOD55000mg/L,BOD5/COD0.22～0.26,。、(H2SO4)、(),:Ca2+、Mg2+5-ASA24　4　　　　　　　　　200281　;5-ASA;Ca2+5-ASA,OH-Zn2+Zn(OH)2。1.3　UBFUASB,4,HRT10.57h,COD3000mg/L,。50%COD,,COD340mg/L,89%,13%。,,。1.4　COD:5B-1COD,;(VSS):;BOD5、pH、[5]。　　(、):1.SBR;2.XCS();3.QHS;4.;5.CLO2,;6.2　2.1　,,pH8～9,,,,,。15min,H2SO4pH6.5～7.0,,,COD20%50%。2.2　UBF2.2.1　UBF,COD3000～8000mg/L,KH2PO4,COD∶N∶P=200∶5∶1,,UBF,HRT10.57h,1:1　UBF:()OLR(kgCOD/m3·d)6.776.879.7711.8817.0919.35COD(mg/L)298030254304523075258010COD(mg/L)39162058483113043720COD(mg/L)34052955665610923448(%)1314.74.82116.37.3COD(%)88.68387.187.585.556.9pH6.56.66.76.66.96.8pH7.27.27.37.47.47.3VSS(mg/L)104711422659189220322897VSS(mg/L)7569310121221437L/L·d3.493.495.085.616.075.681:(1)COD3000～6000mg/L,COD500～656mg/L,COD85～87%。COD7525mg/L,85%,COD1092mg/L;COD8010mg/L,COD3448mg/L,56.9%,。(2),13～21%,972～2460mgVSS/L,90%。,。(3),pH6.5～6.9,pH7.2～7.4,。2.2.2　,,COD4000～8000mg/LUBF,,2、3:2　OLRCOD　　2、3,,,COD1200～3630mg/L,COD58～76%,454　:UBF-Zn5-ASA3　OLRCOD。,,,,2.3　UBF(3000),。pHAl2(SO4)3、FeSO4、FeCl3、CaCl2(PSAF)。0.2/1000(200ppm)PSAF,,,,COD1000mg/L,10,COD20%99.8%,CODGB8978-96《》。3　3.1　,20%COD50%,,。3.2　UBF,13～21%COD。COD3000～7000mg/LUBF,COD83～89%,PSAF,20%COD,COD1000mg/L,,10。3.3　-UBF-,,。4　1　Guiot.S.R.andVandenBergL.,Performanceandbiomassreten-tionofanupflowanaerobicreactorcombiningasludgeblanketandfilter,Biotechnol.Lett.,1984,6,161～1642　Juu-EnChang,Treatmentoflandfillleachatewithupflowanaerobicreactorcombiningsludgebedandafilter,Wat.Sci.Tech.,1989,21,133～1433　Morval.,L.,etal.,ApplicationofUASB-reactorsindustrialwaste-watertreatment;Performancedataandresultsingranulationcon-trol,ActaBiotech.,1991,11(5):409～4184　.,:,19935　,,,,1989　　(40)。,,。,,,。,,。3　3.1　,—,,65.2%,COD62.4%,。3.2　,。3.3　,,。、、,。4　1　,..,1998,24(7):60～632　.,,1997,17(5):33～343　,.,,1995,21(3):166～1694　,.COD,,1994,15(2):153～1565　,.TiO2,,1999,18(3):144～1466　,.,,1985,11(3):19～25;7.、;8.MS;9.CHN.:33363-2　:023-65326947　68612703　:46　　　　　　　　24