OMBR处理焦化废水的运行条件优化与运行效果

117Vol．11No．720177ChineseJournalofEnvironmentalEngineeringJuly20172016－05－272016－07－081992—。[e-mail]*[e-mail]/A/OMBＲ1112*1．1000842．314006//AnMBＲ/A/OMBＲ。OMBＲpHNH3-N。An-MBＲ/A/OMBＲHＲT61.3hTP2.3±0.3mg·L－1OMBＲpH7.5±0.2、DO4～6mg·L－12∶1。COD、TOC、NH3-NTN1790±17mg·L－1、447.3±9.1mg·L－1、107.3±5.2mg·L－1221.9±5.6mg·L－1254±76mg·L－1、53.8±3.2mg·L－1、3.9±1.1mg·L－170.0±8.8mg·L－185.7±0.9%、88.0±0.7%、96.4±1.1%68.5±3.7%。Ⅰ、ⅡⅣ88.5%Ⅱ40%。AnMBＲ/A/OMBＲX703.1A1673-9108201707-4043-08DOI10.12030/j．cjee．201605225OperatingconditionsoptimizationandcharacteristicsstudyofanAnMBＲ/A/OMBＲProcessforcokingwastewatertreatmentZHUJiadi1LIFeifei1CHENLyujun12*1．SchoolofEnvironmentTsinghuaUniversityBeijing100084China2．ZhejiangProvincialKeyLaboratoryofWaterScienceandTechnologyZhejiangJiaxing314006ChinaAbstractAlaboratoryscaleanaerobicmembranebioreactor/anoxic/aerobicmembranebioreactorAnMBＲ/A/OMBＲwasdevelopedandtheoperatingconditionsoptimizedfortreatmentofcokingwastewater．Itsperform-anceunderoptimumoperatingconditionswasinvestigated．Theresultsindicatedthattheadditionofaphosphorussourceintheinfluentcouldmeetthegrowthneedofmicroorganismsandpromotethedenitrificationprocess．ThecontrolofpHintheOMBＲensuredsteadyammonia-nitrogenremovalintheAnMBＲ/A/OMBＲsystem．ThebestperformancewasobtainedattotalHＲT61.3hinfluentTP2.3±0.3mg·L－1pH7.5±0.2andDO4—6mg·L－1ofOMBＲwithrefluxratio2∶1．UndertheseoperatingconditionsandwiththeinfluentconditionsofCOD1790±17mg·L－1TOC447.3±9.1mg·L－1NH3-N107.3±5.2mg·L－1andTN221.9±5.6mg·L－1theeffluentCODTOCNH3-NandTNwere254±76mg·L－153.8±3.2mg·L－13.9±1.1mg·L－1and70.0±8.8mg·L－1．Theremovalrateswere85.7±0.9%88.0±0.7%96.4±1.1%and68.5±3.7%respectively．ThetotalproportionofＲegionⅠandⅡaro-maticproteinanaloguesandＲegionⅣsolublemicrobialby-productsintheinfluentwas88.5%．ThecontentofＲegionⅡaromaticproteinanalogueswashighestintheAnMBＲ/A/OMBＲsystemeffluentandaccountedfor40%．KeywordscokingwastewateranaerobicmembranebioreactorAnMBＲ/A/OMBＲprocessoperatingcharacteris-tic11。、。A/O2、A2/O、A/O。membranebioreactorMBＲ1-3。4-5COD。、、、、6、。。anaerobicmembranebioreactorAnMBＲ7-10、11-12、13-1415。//AnMBＲ/A/OMBＲAnMBＲ/A/OMBＲ。11.1AnMBＲ/A/OMBＲAnMBＲV=4.9L、AV=4.5LOMBＲV=9L1。。AnMBＲ、37℃AOMBＲ。PVDF0.02μm3.24L·m2·h－1OMBＲ。AnMBＲAnMBＲ。AnMBＲAOMBＲ。OMBＲ2∶1A。1.2、1。pH3～4NaOHpH7.0～8.0。。AnMBＲ3。AnMBＲ、AOMBＲMLSS15、104g·L－1。1Table1EffluentqualityofcokingplantregulationpoolCODTOCTNTPpH1927～1683522～50792～73226～218＜0.39.5～9.0pHmg·L－1。44047AnMBＲ/A/OMBＲ1AnMBＲ/A/OMBＲFig．1SchematicdiagramofAnMBＲ/A/OMBＲsystem1.3AnMBＲ/A/OMBＲAnMBＲ、3。AnMBＲ94d95～320dHＲT、TPpH。AnMBＲ、AOMBＲDO0.01～0.2、0.1～0.54.0～6.0mg·L－1AnMBＲ37℃25～33℃。OMBＲpHNa2CO3。。。、10%NaClO3。。AnMBＲ/A/OMBＲCOD16HachDＲ890USANH3-N17TN-17。TOCTOCShimadzuTOV-VCPHJapan。HitachiF-7000。2Fig．2Pollutantsremovalperformanceduringstart-upperiod22.1AnMBＲ/A/OMBＲAnMBＲAnMBＲ、95d160d。2。AnMBＲCODCODTOC。NH3-NTN。95dAnMBＲHＲT49hCODTOC1482mg·L－1、1106mg·L－1330.2mg·L－1、240.9mg·L－120.3%26.5%。AnMBＲ。AnMBＲNH3-NTN。160dAnMBＲ/A/OMBＲHＲT184h。10dCODTOC。2.2COD、NH3-NTNHＲT、TPpH540411。3HＲTFig．3EffectoftotalHＲTonorganicpollutantsremoval2.2.1HＲTHＲT122.7、92、80、73.6、61.352.5hHＲTHＲT34。3HＲTCODAnMBＲ/A/OMBＲCODHＲT。HＲT122.792hCOD242238mg·L－187.3%87.0%。HＲT83h52.6hCOD224mg·L－1267mg·L－187.8%85.7%。4AnMBＲHＲT。HＲT122h61.3hAnMBＲHＲT32.7h16.3hOLＲ0.1980.013kgCOD·kgMLSS·d－10.4580.032kgCOD·kgMLSS·d－1。4HＲTFig．4EffectofsingleHＲTonOLＲandsludgeloadingofeachprocessinguniHＲT52.6hAnMBＲHＲT14hOLＲ。AOMBＲOLＲHＲT。HＲTHＲT。HＲT。An-MBＲHＲT61.3hAnMBＲ、A、OMBＲHＲT64047AnMBＲ/A/OMBＲ16.3、1530h。5TPpHFig．5EffectofTPandpHonnitrogenremoval2.2.2TPTP5。TP8mg·L－1OMBＲNH3-NTN。TP2mg·L－1NH3-NTN。250TP2mg·L－1320NH3-NTN。TP0.5mg·L－1。6AnMBＲ/A/OMBＲFig．6MainpollutantsremovalduringstableoperatingperiodofAnMBＲ/A/OMBＲsystem2.2.3pHOMBＲ。ZHAO18A2/O-MBＲMBＲpH7.0～7.2NH3-N0.8±0.9mg·L－199.4±0.3%。19A1/A2/ZB-MBＲMBＲpH7.0～8.5MBＲNH3-N5.6±4.1mg·L－1。OMBＲpHpH5。300OMBＲpH7.3TNNH3-N。pH≈7.5320。335OMBＲpH7.7。pH≈7.5345。NH3-NpHpHpHNH3-N＞95%。MBＲpH7.5±0.2NH3-NTN。AnMBＲ/A/OMBＲCOD、NH3-NTNHＲT61.3hTP2.3±0.3mg·L－1OMBＲpH7.5±0.2。2.32.3.1AnMBＲ/A/OMBＲ80dCOD、TOC、NH3-NTN6。7404116COD、TOC、NH3-NTN1790±17mg·L－1、447.3±9.1mg·L－1、107.3±5.2mg·L－1221.9±5.6mg·L－1254±76mg·L－1、53.8±3.2mg·L－1、3.9±1.1mg·L－170.0±8.8mg·L－185.7±0.9%、88.0±0.7%、96.4±1.1%68.5±3.7%。《》GB16171-2012。AnMBＲ/A/OMBＲ2。AnMBＲ15.3±1.7g·L－1CODTOC15%17%。AnMBＲNH3-NAnMBＲNH3-N。50%。OMBＲNH3-N40%。2AnMBＲ/A/OMBＲTable2ContributionofeachstagetopollutantremovalinAnMBＲ/A/OMBＲsystem/%CODTOCNH3-NTNAnMBＲ15.2±4.517.4±3.1－9.2±4.51.0±2.7A53.4±4.951.0±2.564.5±5.557.0±4.2OMBＲ17.2±2.619.6±1.941.1±3.711.4±4.185.7±0.988.0±0.796.4±1.168.5±3.72.3.272000。CHEN205Ⅰ～Ⅴ、、、。7Ⅰ、Ⅱ、Ⅳ21-22。7Fig．7ThreeDimensionFluorescencespectraofeachstageeffluent3。AnMBＲ585615%CODΣFICOD。AOMBＲOMBＲΣFI。OMBＲⅠ、Ⅳ17%21%Ⅱ57.5%OMBＲ。TOC8。Ⅰ、ⅡⅣ88.5%Ⅱ40%Ⅱ84047AnMBＲ/A/OMBＲ23。3Table3FluorescencepeaksandintensitychangeofeachstageeffluentAnMBＲAOMBＲ58568385Ex/EmFIEx/EmFIEx/EmFIEx/EmFI220/2953497220/2952842220/3051013220/295596.1230/3603020230/3502597230/3501951230/3501736270/2956524270/2955617270/2951863270/2951367∑FI40751431244668234092Ex/Em/nm/nmFIAU。8Fig．8Ｒelativecontentandabsolutecontentofdissolvedorganicmatter