丁苯橡胶生产废水的生物降解特性

29620166ＲesearchofEnvironmentalSciencesVol．29No．6Jun．2016．J．2016296887-893．SHANGHaiyingXIHongboZHOUYuexietal．Treatmentofstyrene-butadienerubberwastewaterbyaerobicbiodegradationJ．ＲesearchofEnvironmentalSciences2[e-mail]．*[e-mail]1232323*111．7300702．1000123．100012-、、．ρCODCrρDOC15576mgLCODCrDOC76.07%70.08%、919d．λExλEm225nm340nm、215nm290nm275nm340nm3、、、、93.87%、、4-、、190～230、230～250、250～400nmUV25452%．GB31572—2015《》．X783.21001-6929201606-0887-07ADOI10.13198j．issn．1001-6929．2016．06．13TreatmentofStyrene-ButadieneＲubberWastewaterbyAerobicBiodegradationSHANGHaiying123XIHongbo23ZHOUYuexi23*WANGYa'e1LIJie11．CollegeofEnvironmentalandMunicipalEngineeringDepartmentLanzhouJiaotongUniversityLanzhou730070China2．ＲesearchCenterofWaterPollutionControlTechnologyChineseＲesearchAcademyofEnvironmentalSciencesBeijing100012China3．StateKeyLaboratoryofEnvironmentalCriteriaandＲiskAssessmentChineseＲesearchAcademyofEnvironmentalSciencesBeijing100012ChinaAbstractTheaerobicbiodegradationabilitiesofstyrene-butadienerubberwastewaterwasdetectedbyliquid-liquidextractioncoupledwithgaschromatographymassspectrometryGCMSthree-dimensionalfluorescencespectraandultravioletspectrum．TheresultsshowedthatCODandDOCofthestyrene-butadienerubberwastewaterafteraerobicbiodegradationweredecreasedto155mgLand76mgLandtheremovalefficiencieswere76.07%and70.08%respectively．NinekindsofmainorganicpollutantsinthewastewaterincludingdibenzylaminestyreneandNN-dimethyldodecylaminecouldbecompletelydegradedin19days．FluorescentregionsmainlyconsistedofthreefluorescencepeaksλExλEm=225nm340nm215nm290nmand275nm340nm．ThreepeakswerecausedbyaminebenzenesandaromaticcompoundssuchasdibenzylamineNN-dimethyldodecylaminestyrenetolueneandbenzaldehyde．Mostofthefluorescentsubstancesinthiskindofwastewatercouldberemovedbyaerobicbiodegradation．Totalremovalefficienciesofthethreefluorescencepeakintensitiesreached93.87%．UVabsorptionspectrophotometryfocusedaround190-230nm230-250nmand250-400nmwhichwerecausedmainlybydibenzylamineNN-dimethyldodecylamine4-methylcyclohexanonestyrenetolueneandbenzaldehydeinthewastewater．TheremovalratesofUV254reached52%inaerobicbiodegradationofstyrene-butadienerubberwastewater．Theresearchshowedthatstyrene-butadienerubberwastewatercannotreachthesewageemissionstandardinEmissionStandardofPollutantsforSyntheticＲesinIndustryGB31572-2015byaerobicbiologicaltreatmentprocessalone．Keywordsstyrene-butadienerubberwastewateraerobicbiodegradationgaschromatographymassspectrometryGCMSthree-dimensionalfluorescencespectroscopyultravioletspectrum29SBＲ、NＲ、、SＲ．、、1-45．6FentonMADHU7．、、、8-10．、．ISO9888—1999《Zahn-Wellens》11．11.17890A-5975CAgilentKL-512F-7000HitachiLimitedUV-1700ShimadzuCTL-12VCPHTOCShimadzu．J．T．Baker350℃2h．1.2．ρCODCr、ρBOD5、ρSS、ρTOCTOC、ρTP、ρTN680、52、135、245、121.4、84.2mgL．1.3ISO9888—1999．1∶13～4．3000mL25℃、pH7.0±0.5ρMLSS1209mgL28d．1、3、5、8、13、19、27、28d110mL．1.41.4.1GCMS12-13100mLpH＜2pH＞12310mL2min6、1mLGCMS．HP-5MSUI60m×250μm×0.25μm280℃5∶11μL1.0mLmin．40℃2min→5℃min→200℃2min→10℃min→300℃1min．EI280℃．SCANmz30～400amu5.7min．1.4.214-15λEx200～500nmλEm200～500nm．5nm5s12000nmminPMT700V．16-17190～400nm0.5nm．22.111～5d5ρCODCrρDOCDOC272113mgLCODCrDOC56.56%55.18%．5～13dρCODCrρDOC1319295mgLCODCrDOC70.14%62.62%．13dCODCrDOC888618．28dρCODCrρDOC15576mgLCODCrDOC76.07%70.08%GB31572—2015《》．1CODCrDOCFig.1ＲemovaleffectsofCODCrandDOCbybiodegradation2.22976.61%、、．4、、N-、67.78%63.71%N-2.15%1.39%27.18%6.65%1.42%．9．11ρ18-19．35ρ13N-199．1—2—3—4-4—5—6—7—8—N-9—1133-．2GCMSFig.2TheGCMSofstyrene-butadienerubberwastewaterbybiodegradationpre-andpost1Table1Changesofcharacteristicorganiccompoundsinbiodegradationofstyrene-butadienerubberwastewatermgLd01358131927281ρ0.78————————2ρ9.750.160.140.100.08————3ρ4-2.360.570.550.42—————4ρ1.610.380.16——————5ρ3.221.95———————6ρ0.830.33———————7ρ234.31193.37158.24——————8ρN-2.571.731.370.120.100.10———9ρ1133-0.820.520.360.330.32—————．98829N-8．2.33λExλEm200～300nm275～400nm3121λExλEm225nm340nm9027a．u．〔2λExλEm215nm290nm3λExλEm275nm340nm〕3361391a．u．．3Fig.3Three-dimensionalfluorescencespectraofstyrene-butadienerubberwastewaterλExλEm230nm305nmλExλEm220～320nm230～440nm．、20-24．λExλEm230nm305nmλExλEm230nm345nm2、3280nm345nm、225-27．1、N-2123、．2．211、N-23．13131λEx10nmλEm5nm2519222λEm5nm．133．3λExλEm135nm．93.87%．2Table2Changesoflocationandstrengthofthethreedimensionalfluorescencespectraindegradationofstyrene-butadienerubberwastewaterdλExλEmnmnma．u．123123a．u．0225340215290275340902733613911075412253402152952753408865351143510651322534021528527534098101831508115015225340—2753409362—1477108399225340—2753408913—13681028113235345—280345830—268109819225340215290280345530531147120827230340215295—400260—66028230340215295—400260—660λExλEm、、、28-29、、098630-32．2、N-．2.44190～400nm190～250nm＞1cm－1．5200～230nm28195nm300nm．d1—02—53—28．4Fig.4ChangesofUVspectrumindegradationofstyrene-butadienerubberwastewater33200～400nm200～250nmα、β、250nm250～300nm．190～230nm、230～250nm4-、250～400nm、．UV254