SBR法处理氯丁橡胶生产废水的研究

26520065ActaScientiaeCircumstantiaeVo.l26,No.5May,2006:(No.021185)SupportedbytheKeySci&TechProjectofShanx,iChina(No.021185):(1961),,,Emai:[e-mail];*()Biography:LIRiqiang(1961),male,associateprofessor,Emai:[e-mail];*Correspondingauthor,.2006.SBR[J].,26(5):803-807LiRQ,ZhaoYZ.2006.Studyonneoprenewastewatertreatmentwithsequencingbatchreactorprocess[J].ActaScientiaeCircumstantiae,26(5):803-807SBR李日强1,*,赵由之21.山西大学环境与资源学院,太原0300062.中国科学院地球化学研究所,贵阳550002:20050430:20060322:20060323:SBR,.,CODCr1020mgL-1,1h4h2h0.5h0h,CODCr100mgL-1,CODCr90%.:SBR;;:02532468(2006)05080305:X7031:AStudyonneoprenewastewatertreatmentwithsequencingbatchreactorprocessLIRiqiang1,*,ZHAOYouzhi21.SchoolofEnvironmentandResources,ShanxiUniversity,Taiyuan0300062.InstituteofGeochemistry,ChineseAcademyofSciences,Guiyang550002Received30Apirl2005;receivedinrevisedform22March2006;accepted23March2006Abstract:Theneoprenewastewaterwastreatedwithsequencingbatchreactor(SBR)process,andtheparametersaffectingtreatmentefficiencywereexaminedincludinginfluenttime,reactiontime,sedimentationtime,idletimeandaerationmode.TheresultsshowedthatremovalrateofCODCrwashigherthan90%fromabout1020mgL-1tobelow100mgL-1undertheoptimalconditionofinfluenttimefor1h,thereactiontimefor4h,thesedimentationtimefor2h,thedrainagetimefor0.5h,theidletimefor0handaerationoverinfluent.Keywords:SBRprocess;neoprenewastewater;wastewatertreatment(SequencingBatchReactor,SBR),,,SBR(,2002;,1998;,2003;;2001;Johnetal.,2000;Rodriguesetal.,2001;,2002).,,.,,,(,1990),.,,.,.,,SBR,,,.261(Experimental)1.1试验装置300mm200mm250mmSBR,10.8L,,3,,,25~30!.1.1(1.SBR,2.,3.,4.,5.,6.,7.,8.,9.)Fig.1Sketchofexperimentalequipment(1.SBRreactor,2.Watertank,3.Liquidflowmeter,4.Airpump,5.Gasflowmeter,6.Wateroutlet,7.Sludgeoutlet,8.Airstonebars,9.Underwaterthermostate)1.2废水来源pH,CODCr1020mgL-1.1.3分析项目与方法(CODCr):(∀#,2002),(SV30):,(MLSS):,(MLVSS):.1.4试验条件方法与数据分析MLSS3.2gL-1MLVSS2.8gL-1SV3022%SVI67.7mLg-1.1.4.1不同反应时间1h2h0.5h,0h,0123456810hCODCr,5.1.4.2不同充水时间4h,2h0.5h0h,0.5101.5202.5hCODCr,5.1.4.3不同曝气方式1h4h2h0.5h0h,CODCr,5.1.4.4不同沉淀时间1h4h0h,1234hCODCr,5.1.4.5不同闲置时间1h4h2h0.5h,0123hCODCr,5.1.4.6数据分析(Quinnetal.,2002).Duncan.2(Results)2.1不同反应时间对SBR出水的影响,,,,,.SBR,1.1SBRCODCr(x∃s)()Table1CODCr(!x∃s)andremovalrateofeffluentwaterinSBRatdifferentreactiontime/hCODCr/(mgL-1)CODCr/(mgL-1)01024.5317.5∃2.769.0%11024.5226.1∃2.977.9%21024.5158.3∃2.484.5%31024.5129.6∃1.587.3%41024.598.9∃1.490.3%51024.5109.6∃1.789.3%61024.5108.9∃2.689.4%81024.5115.4∃3.288.7%101024.5114.9∃2.888.8%2.2不同充水时间对SBR出水的影响8045:SBR,.SBR,2.2SBRCODCr(x∃s)()Table2CODCr(!x∃s)andremovalrateofeffluentwaterinSBRatdifferentinfluenttime/hCODCr/(mgL-1)CODCr/(mgL-1)0.51020.8244.6∃3.676.0%1.01020.897.9∃1.590.4%1.51020.8108.2∃2.389.4%2.01020.8111.6∃1.689.1%2.51020.8119.9∃1.588.3%2.3不同曝气方式对SBR出水的影响SBR3.,,.3SBR,3.3SBRCODCr(x∃s)()Table3CODCr(!x∃s)andremovalrateofeffluentwaterinSBRunderdifferentaerationmodesCODCr/(mgL-1)CODCr/(mgL-1)1015.395.0∃1.490.6%1015.3117.9∃2.288.4%1015.3139.4∃1.986.3%2.4不同沉淀时间对SBR出水的影响,,SBR,.SBR,4.4SBRCODCr(x∃s)()Table4CODCr(!x∃s)andremovalrateofeffluentwaterinSBRatdifferentsedimentationtime/hCODCr/(mgL-1)CODCr/(mgL-1)11028.4134.8∃2.886.9%21028.497.8∃1.290.5%31028.496.5∃1.790.6%41028.497.2∃1.890.5%2.5不同闲置时间对SBR出水的影响,,,.SBR,5.5SBRCODCr(x∃s)()Table5CODCr(!x∃s)andremovalrateofeffluentwaterinSBRatdifferentidletime/hCODCr/(mgL-1)CODCr/(mgL-1)01010.798.9∃2.790.2%11010.795.8∃1.990.5%21010.794.5∃2.190.7%31010.795.1∃1.890.6%2.6优化条件下的连续运行试验结果,1h4h2h0.5h0h,90,3CODCr,6.6SBRCODCrTable6CODCrandremovalrateofeffluentwaterinSBRfor90cyclesduring30daysCODCr/(mgL-1)CODCr/(mgL-1)1008.8~1130.289.8~99.290.2%~92.0%3(AnalysisandDiscussion)SBRCODCr7.3.1反应时间对出水的影响SBR,.,SBRCODCr(p0.01).Duncan,SBRCODCr(p0.01),4hCODCr(p0.01),CODCr(98.9mgL-1),90.3%.805267SBRCODCrTable7ANOVAforCODCrofeffluentwaterofSBRwithdifferentreactiontime,influenttime,aerationmodes,sedimentationtimeandidletime()()()()F129705.005816213.1261202.6083633.406485.336**53494.523413373.6311040.3472052.017257.101**2708.01121354.006792.0731266.00620.513**3602.10631200.7021392.5261687.03313.796**98.216332.739490.9561630.6851.067**p0.01,SBRCODCr(Y)(X).:Y=120.219-16.391X(F=22.005,p0.01)(1)(1),,CODCr.,4hCODCr,SBR,,,.,4h.32充水时间对出水的影响,SBRCODCr(p0.01).Duncan,101.520h,SBRCODCr(p0.05),1.52.02.5h,SBRCODCr(p0.05),0.5h1h0.5h1.5h0.5h2.0h0.5h2.5h1h2.5h(p0.01).,SBRCODCr(Y)(X).:Y=225.901-43.025X(F=7.627,p0.05)(2),0.5h,,,CODCr,1h,CODCr(979mgL-1),90.4%,,CODCr,,,,.,.SBR,1h.3.3曝气方式对出水的影响,SBRCODCr(p0.01).Duncan,SBRCODCr(p001),CODCr(95mgL-1),90.6%.,3.3.4沉淀时间对出水的影响,SBRCODCr(p0.01).Duncan,234h1hSBRCODCr(p0.01),234hSBRCODCr(p0.05).,SBRCODCr(Y)(X).:Y=98.517-13.546X(F=12.127,p0.05)(3)(3),,SBRCODCr,,2h,CODCr97.8mgL-1,90.5%,,,2h.3.5闲置时间对出水的影响,SBRCODCr(p0.05).2hCODCr,,2h0.5h,,.8065:SBR,0h,SBRCODCr98.9mgL-1,90.2%.4(Conclusions)1)SBR,CODCr1020mgL-1(pH),1h4h2h0.5h0h,CODCr100mgL-1,CODCr90%.2)2h0.5h,SBR,SBR.,.References:CuiYR,SunJH,HuB.2002.SBRprocesstreatmentofgourmetpowderwastewater[J].ChongqingEnvironmentalScience,24(3):3840(inChinese)Hu