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

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

: ,,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·  

1 / 3
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功