60Co射线联合生物技术处理难降解造纸中段废水的研究张宏娜

29520115HENANSCIENCEVol.29No.5May20112011-02-221978－.1004-3918201105-0611-0360Coγ45001560CoγCOD.COD1kGyCOD37％.TiO2COD.TiO2X703．1A、、、、、、.COD.、、—[1-2].21TiO2[3-4]TiO2.TiO2.11．1.COD≥2300mg/L.1．2ABR、MBBR、60Coγ.1．3CODcr《》[5]GB－11914－89.22．1ABR36h1-2.ABRMBBR1Fig．1Thepapermakingwastewatermiddlebiochemistryprocessingflownonutrients2Fig．2ThepapermakingwastewatermiddlebiochemistryprocessingflownutrientsABRMBBRDOI:10.13537/j.issn.1004-3918.2011.05.0212952．2ABR30mL.3.33．1CODABRCOD≥1220mg/L1220mg/L.pH6．6MBBR36hCOD1.1MBBRCOD550～600mg/LCOD400～450mg/L.MBBRCOD550～600mg/L400～450mg/L.3．2COD3．2．1COD13579kGyCOD1220mg/L.0．2L/min.4.4①COD1kGyCOD37％②COD③1～9kGyCOD.H2O·OHCOD·OHCOD·OHH2O2COD.3．2．2TiO2COD1kGyCOD40％TiO2.1g/LTiO20．2L/minTiO25.51kGyCOD35％71％.TiO21.2.3.4.5.6.3Fig．3Thesystemofirradiation1CODTab．1EffectsofthebioreactoronCODofpapermakingwastewaterCOD1220550～600400～4504CODFig．4TheeffectofabsorbeddoseonCODofpapermakingwastewaterindifferentatmosphere5CODFig．5TheeffectofabsorbeddoseonCODofpapermakingwastewaterindifferentconditions123456mg/L706050403020100COD/%246810/kGy+N2+O29080706050403020100COD/%246810/kGy+N2+O2+TiO2+O2612--20115γ－·OHH2O2、·OHH2O2COD.3．31kGyTiO22.2TiO2Tab．2Thecomparisonofirradiationunitednano-TiO2experimentandbiologicalexperiment21TiO2COD353mg/L.41COD1g/LTiO2COD.21kGyTiO2COD400～450mg/L353mg/LCODTiO2.1．γ－J．2008569-72.2．ABR－MBBRJ．200791-93.3．TiO2J．20053412525-527.4Hang-SikShinaYu-RiKim．ApplicationofelectronbeamtotreatmentofwastewaterfrompapermillJ．RadiatPhysChem2000654/5539-547.5《》．M．4.2002.StudyontheTreatmentofNon-DegradablePapermakingWastewaterbyIrradiationTechnologyandBiotechnologyZhangHongnaSongWeidongLiKunhaoWangYunZhaoMeihongHenanAcademyofSciencesandInstituteofIsotopesCo．Ltd．Zhengzhou450015ChinaAbstractThispaperdiscussedthepapermakingwastewateraftertheABRanaerobicbaffledreactoranaerobicbiologicaltreatmentusingthe60Coγ-rayirradiationtechnologydealtwiththeanaerobicwaterstudiedunderdifferentconditionsofirradiationontheCOD．TheresultsshowthatwithincreasingradiationdoseCODremovalratecanriseandinO2atmosphereitcanbeupto37％forCODremovalrateunder1kGyirradiationdose．Thisarticlealsoexploreedthejointirradiationtreatmentofpapermakingwastewaterwithnano-TiO2．Keywordspapermakingwastewatermiddlebiotechnologyirradiationtechnologynano-TiO2COD1220550～600TiO2400～450≤353mg/L60Coγ613--