含磺胺嘧啶和酮基布洛芬的化学合成制药生产废水处理研究陈曦

:　,,1972,,。＊“863”(No.2002AA647020)。含磺胺嘧啶和酮基布洛芬的化学合成制药生产废水处理研究＊陈　曦(,400047)　　　(SD)(KP)。,、,,/COD、BOD5NH3-N;,COD85%,15h,COD94%,。　　　　　　Treatmentofapharmaceuticalplantwastewatercontainingsulfadiazineandketoprofen　ChenXi.(SchoolofChemis-try,ChongqingNormalUniversity,Chongqing400047)Abstract:　Atreatabilitystudywasperformedonthewastewater(pH=11.5,COD=2525mg/L,BOD5=915mg/L,NH3-N=258mg/L)fromapharmaceuticalplantproducingsulfadiazine(SD)andketoprofen(KP).Excel-lenttreatmentresultswereobtainedby3sequentialbatchtreatmentstepsofacidification/neutralization,anaerobicbiodegradationandaerobicbiodegradation.DuplicatedexperimentalrunswereconductedtoobtaindataofCODde-clineduringacidification/neutralization,CODdeclineandgasproductionduringanaerobicdegradationat34℃,andCODdeclineduringthefinalaerobictreatmentsteptodefinethemostcosteffectivetreatmentprocedure.ThewastewaterpHwasfirstloweredtopHto2.0topromotehydrolysisthenneutralizedafter40minintheacidification/neutralizationreactor;thepretreatedwastewaterwasthentreatedintheanaerobicreactorfor72handfinallyintheaerobicbioreactorfor15h.SuchsequentialtreatmentachievedanoverallCODreductionof94%.Keywords:　biologicaltreatment;sulfadiazine(SD);ketoprofen(KP);pharmaceuticalwastewater　　(SD)(KP)[1]。SD,,,、、。KP,,、。,,,。,、、,[2,3]。　　[4,5]。,,,,,。,SDKP,,。　　,/[6-8]SDKP,。1　1.1　废水来源与水质指标　　(),,、、、、、、、、、,,,,,1。1　Table1　CharacteristicsofthewastewatersampleCOD/(mg·L-1)BOD5/(mg·L-1)NH3-N/(mg·L-1)pH252591525811.51.2　实验流程及主要步骤　　,1。·5·　　DOI:10.15985/j.cnki.1001-3865.2008.02.0231　Fig.1　Schematicflowdiagramofthelabwastewatertreatmentruns　　(1):,1∶1(),。:。　　(2)　　　2L(Ⅱ-0425),pH、COD、BOD5、NH3-N。Ⅱ-0426。　　(3)　　500mLⅡ-0426,,2650mL。34℃,12h,COD,。　　(4)　　350mL,Ⅱ-0427,2h150mL100mL(600mL)。30min(SV)20%。6hCOD,。1.3　主要测试项目及方法　　COD:;BOD5:;NH3-N:;pH:PHS-25。1.4　主要试验装置　　(1):Ф120mm×500mm,。　　(2):Ф80mm×1000mm,,,。　　(3):Ф80mm×500mm,,,,,。2　2.1　酸　析　　,pH2.0,2,1#、2#,COD2。,,,,,,,。pH≤2.0,,pH,pH2.0。pH8.2。2,COD,2525mg/L2178mg/L,COD14%,;40min2#COD,40min。2　pH2.0CODFig.2　CODprofileoftheacidifiedwastewater(duplicatedruns,pH=2.0)2.2　厌氧处理　　Ⅱ-0426,、,Ⅱ-0426。COD3。3,60COD3　CODFig.3　CODprofileoftheanaerobicreactorcontent(duplicatedruns)·6·　　30　2　200822　Table2　SummaryoftreatmentresultsofthethreetreatmentstepspHNH3-N/(mg·L-1)COD/(mg·L-1)BOD5/(mg·L-1)40min11.525825259158.2163217873872h7.816321787.015238015h7.01013607.030145,60～72hCOD,72h,COD380mg/L,83%。　　12h4。4,36h12h,;60～72h,,。4　12hFig.4　Profilesof12-handcumulativegasproductionintheanaerobicreactor2.3　好氧处理　　Ⅱ-04272h,,COD360mg/L。,,COD5。5,24h,COD,COD100mg/L,《》(GB8978—1996)。,,15h,COD145mg/L,COD5　CODFig.5　CODprofileoftheaerobicreactorcontent60%,《》。　　2。COD85%,15hCOD94%,。3　　　　(1)SDKP,/,,COD2525mg/L150mg/L,《》,。　　(2)COD2525mg/L2178mg/L,14%,,;,COD2178mg/L380mg/L,83%;15hCOD145mg/L,60%;COD94%。[1]　,.[J].,2005,26(5):49-51.[2]　,,,.[J].,1998,16(3):3-7.[3]　,,.[M].:,2000:205-220.[4]　,.--SBR[J].,2000,20(11):25-27.[5]　.[J].,2005,9(9):79-82.[6]　.[M].:,1998:1-37.[7]　,,.[J].,2002,21(4):48-49.[8]　Metcalf&EddyInc.Wastewaterengineering:treatment,dis-posalandreuse[M].4thed.NewYork:McGrawHill,2004:480-576.责任编辑:黄　苇　(:2007-09-27)·7·