多环芳烃及其衍生物在SBRMBBR工艺中的分布与去除刘淑惠

Eco-EnvironmentalKnowledgeWebEnvironmentalScience40220192Vol．40No．2Feb．2019SBＲ/MBBＲ112*3111．2661002．2661003．250014PAHsSPAHs．SBＲ/MBBＲ16PAHsPAHsNPAHsPAHsMPAHsPAHsOPAHs．16PAHs13SPAHsPAHsSPAHs3835.14ng·L－16889.46ng·L－1．PAHsSPAHs1148.18ng·L－11724.57ng·L－170.06%74.97%SBＲ/MBBＲPAHsSPAHs．PAHsLMW-PAHsPAHsLMW-PAHsHMW-PAHs．SPAHsMPAHs89.15%OPAHs63.36%NPAHs48.85%．SPAHsSBＲ/MBBＲPAHsSPAHsPAHsSPAHsPAHsSPAHs．PAHsSPAHsSBＲ/MBBＲX703.1A0250-3301201902-0747-07DOI10．13227/j．hjkx．2018070992018-07-142018-08-071994～[e-mail]*[e-mail]ofPolycyclicAromaticHydrocarbonsandTheirDerivativesinSBＲ/MBBＲProcessLIUShu-hui1TIANWei-jun12*ZHOUJian-ren3ZHAOJing1WANGZhe11．CollegeofEnvironmentalScienceandEngineeringOceanUniversityofChinaQingdao266100China2．KeyLaboratoryofMarineEnvironmentalScienceandEcologyMinistryofEducationQingdao266100China3．South-to-NorthWaterDiversionProjectConstructionAdministrationofShandongProvinceJi'nan250014ChinaAbstractWhilepolycyclicaromatichydrocarbonsPAHsareanimportantpersistenttoxicorganiccontaminantthetoxicitiesofsubstitutedpolycyclicaromatichydrocarbonsSPAHsaremuchhigherthanPAHs．WaterandsludgesampleswerecollectedfromtheQingdaoChengyangSewageTreatmentPlantSTP．Thedistributionandremovalof16PAHsandnitro-PAHsNPAHsmethyl-PAHsMPAHsandoxy-PAHsOPAHsintheSBＲ/MBBＲprocesswereanalyzed．Theresultsshowedthat16PAHsand13SPAHsweredetected．IntheinfluentwaterthetotalconcentrationsofPAHsandSPAHswere3835.14ng·L－1and6889.46ng·L－1respectivelywhichweremuchhigherthanthoseofSTPsinotherregions．IntheeffluentthetotalconcentrationsofPAHsandSPAHswere1148.18ng·L－1and1724.57ng·L－1respectivelyandtheremovalrateswereupto70.06%and74.97%respectively．TheSBＲ/MBBＲprocesspresentedamoreeffectiveremovalcapacityforPAHsandSPAHs．TheremovalofPAHswasmainlybythebiodegradationoflow-ringpolycyclicaromatichydrocarbonsLMW-PAHsintheaqueousphasewhiletheremovalofPAHsintheparticlephasemainlyreliedontheadsorptionandprecipitationofLMW-PAHsintheprimarysedimentationtankandthebiosorptionofhigh-ringpolycyclicaromatichydrocarbonsHMW-PAHsinthebio-unit．ForSPAHstheremovalefficiencyofMPAHsupto89.15%wasthebestunderthefunctionsofparticleadsorptionandbiodegradation．TheremovalrateofOPAHswas63.36%whichwasmainlyremovedbytheadsorptionofprimaryparticlesintheaqueousphaseandthebiosorptionfromthebiologicaltreatmentunitintheparticlephaseandtheremovalrateofNPAHswas48.85%andlargelyoccurredinthebiologicaltreatmentunit．TheremovalmechanismofSPAHsinSBＲ/MBBＲprocesswasnotthesame．ThereforeSTPsshouldtakeadequatecontrolmeasuresaccordingtothedistributioncharacteristicsofPAHsandSPAHsindifferenttreatmentunits．AdditionallytheconcentrationsofPAHsandSPAHsinsludgewerehigherthanthoseintheeffluent．ThusthemanagementofPAHsandSPAHsinsludgeshouldbeimproved．KeywordspolycyclicaromatichydrocarbonsPAHssubstitutedpolycyclicaromatichydrocarbonsSPAHssewagetreatmentplantSBＲ/MBBＲprocessremovalpolycyclicaromatichydrocarbonsPAHs40“”12．substitutedpolycyclicaromatichydrocarbonsSPAHsPAHsPAHs3．4NPAHPAHs10000010OPAH5．PAHsSPAHs、、PAHsSPAHs1．PAHsSPAHsA2OA2O6～9SBＲ．SBＲ、10．SBＲ/MBBＲSBＲ．PAHsSPAHsSBＲ/MBBＲPAHsSPAHsSBＲ/MBBＲ．11.116PAHs13SPAHsAccuStandardInc．NewHaven．16PAHs200μg·mL－1Nap、Acy、Ace、Flu、Phe、Ant、Fluo、Pyr、aBaA、Chry、bBbF、kBkF、aBaP、123-cdIcdP、ahDBAghiBghiP13SPAHs4MPAHs2-2-MN50μg·mL－1、1-1-MF10μg·mL－1、26-26-DMN50μg·mL－1、36-36-DMP50μg·mL－14OPAHs9-9-FL、AQ、2-2-MAQ、a-712-BA-712-D50μg·mL－15NPAHs2-2-NF100μg·mL－1、9-9-NA100μg·mL－1、3-3-NF100μg·mL－1、1-1-NP100μg·mL－17-a7-NBA100μg·mL－1．PCB209AldrichChemicalCo．Inc．GillinghamDorset．HPLCHEX、DCM、MeOHC18500mg6mLSupelco．80～100100～20070℃450℃12h2h450℃4h．1.2、198km240．、、、70%．A2OSBＲ/MBBＲSBＲ/MBBＲ5t·d－1SBＲ+MBBＲ24h15d．201763．．1．－20℃．PCB209C182∶1HEXDCMC18PCB20920℃100Hz330min10mLHEXDCM1∶12mL．、、HEXDCM1mL．1.3-7890AGC-5975BMSDAgilentHP-5M58472SBＲ/MBBＲ1SBＲ/MBBＲFig．1Sewagetreatmentplantprocessandsamplingpoints30m0.25mm0.25μm．SIM．250℃280℃．40℃8℃·min－1200℃8℃·min－1300℃10min．1.477．3290.02～8.30ng·L－1、2.77～22.75ng·L－10.10～13.83ng·L－1、5.28～67.74ng·L－1．52.57%～105.48%、47.72%～101.48%．22.1PAHsSPAHs16PAHsLMW-PAHs2～4HMW-PAHs5、6SPAHsPAHsMPAHs、PAHsOPAHsPAHsNPAHs12．16PAHs13SPAHsPAHsSPAHs3835.14ng·L－16889.46ng·L－1．PAHs5758.8ng·L－11150ng·L－1、219ng·L－13528～1224ng·L－111～14．SPAHsSPAHs1003.5ng·L－115SPAHs1814ng·L－19．SPAHsPAHs．1PAHsLMW-PAHsPAHsΣPAHs92.76%．LMW-PAHs2NapΣPAHs50%Nap、16．HMW-PAHsPAHsPAHsOzaki13．/．SPAHsMPAHs4246.61ng·L－1NPAHs2036.51ng·L－1OPAHs1PAHsSPAHs1Table1ConcentrationsofPAHsandSPAHsinwaterandsludgesamplesSBＲLMW-PAHs3557.61±433.824793.82±796.862740.54±542.991141.95±123.681131.85±119.85999.51±92.041111.92±100.671578.78±125.57HMW-PAHs277.53±19.58284.51±26.36202.36±6.02157.51±5.54159.72±5.15148.67±4.53145.60±22.44198.36±37.79ΣPAHs3835.14±370.135078.33±654.122942.90±437.441299.46±105.461291.58±102.471148.18±80.641257.51±90.211777.14±117.61NPAHs2036.51±673.941808.99±637.122547.23±999.301089.09±405.26998.55±368.791041.66±391.624982.31±1982.984443.55±1342.48OPAHs606.34±107.06439.75±90.36412.53±80.73241.90±47.13270.79±54.25222.18±37.05756.69±125.11681.07±112.40MPAHs4246.61±1142.503612.81±783.961