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MBR7-ACA112341.1500402.1500903.1500014.100871MBR7-ACA7-ACAMBR7-ACA。30d7-ACA<60mg/LCOD120mg/L93.7%BOD530mg/L《》GB21904—2008。7-ACA7-ACA7-ACACOD。7-ACAX703C1000-4602201121-0063-0550908062、30870420TreatmentofAntibioticWastewaterContaining7-ACAbyMBRBAIYu1CAITi-jiu1CHENZhao-bo2WANGHong-cheng3JIAOAn-ying41.SchoolofForestryNortheastForestryUniversityHarbin150040China2.StateKeyLaboratoryofUrbanWaterResourceandEnvironmentHarbinInstituteofTechnologyHarbin150090China3.SchoolofMaterialsScienceandChemicalEngineeringHarbinEngineeringUniversityHarbin150001China4.CollegeofEnvironmentalSciencesandEngineeringPekingUniversityBeijing100871ChinaAbstractAnoptimizedmembranebioreactorMBRwasemployedtotreattheantibioticwastewatercontaining7-ACA.ThetreatmentefficiencyofthiswastewaterinMBRwithdifferentconcen-trationsof7-ACAwasinvestigated.Theresultsdemonstratethatinthefirst30dafterthestableopera-tionwhenthe7-ACAconcentrationislessthan60mg/LtheeffluentCODisbelow120mg/Ltheav-erageCODremovalrateis93.7%andtheeffluentBOD5islessthan30mg/L.TheeffluentqualitymeetstheDischargeStandardsofWaterPollutantsforPharmaceuticalIndustryChemicalSynthesisProd-uctsCategoryGB21904-2008.Bymeansofmulti-variablelinearregressionmethodtaking7-ACAloadandinfluentvaluesasindependentvariablestheremovalratesof7-ACAandCODasdependentvariablesamathematicalmodelwasconstructed.Themodelcanrevealtheintrinsicrelationshipbetweentheseparametersandprovidetheoreticalinstructioninapplications.Keywordsantibioticwastewater7-ACAmembranebioreactor·36·2721201111CHINAWATER&WASTEWATERVol.27No.21Nov.2011《》GB21904—2008。COD15000~80000mg/L、pH、、12。7-ACA、7-ADCA、6-APA、GCLE3~5。7-ACA/6~8。MBR7-ACA7-ACAMBRMBR7-ACA7-ACA7-ACA7-ACACOD。11.1COD1253~1933mg/L1527mg/L、BOD5245~594mg/L440mg/L、B/C0.19~0.360.28、60.4~117.5mg/L91.1mg/L、TN92.4~143.5mg/L116.3mg/L、TP3.4~12.3mg/L7.4mg/L、7-ACA13.2~20.6mg/L16.8mg/L、pH7.0~8.5pH。COD、BOD57-ACA、。20d7-ACA。1.2100d20d7-ACA7-ACA。1~207-ACA13.4~20.6mg/L21~3017-ACA18.6~20.3mg/L31~4027-ACA25.6~37.2mg/L41~5037-ACA46.8~60.2mg/L51~6047-ACA75.2~96.1mg/L61~7057-ACA90.2~110.1mg/L71~8067-ACA110.3~139.8mg/L81~9077-ACA140.6~159.8mg/L91~10087-ACA160.3~180.3mg/L。DO2~4mg/L。1.3MBR1、、100L。。8min2min。。1Fig.1SchematicdiagramofMBR1.4COD、BOD5、NH+4-N、TP、TN7-ACA。7-ACA—。1.525℃。20d·46·2721.watergasheat.comMLSS3500mg/L。22.1CODBOD520dCOD100mg/L93.4%。21~50COD91~120mg/L105.8mg/LCOD93.7%。50dCOD126~268mg/L169.1mg/LCOD88.9%。CODMBRMBR。BOD5245~549mg/LBOD535mg/L91.3%。21~50BOD5337~594mg/L469.5mg/LBOD530mg/L93.9%。COD7-ACABOD5BOD5100mg/L83%。2.27-ACA7-ACAMBR7-ACA14.9%~49.2%。2.3NH+4-NNH+4-N60.4~117.5mg/L91.1mg/LNH+4-N5.3~14.6mg/L9.17mg/LNH+4-N71.8%~90.1%。NH+4-NpH7.0~8.525℃。、10mg/L。2.4TNTN92.4~143.5mg/LTN25~31mg/L78.2%。MBRTN。MBRMLSS9。2.5TPMBRTP3.4~12.3mg/LTP0.49~1.56mg/L86.8%。MBR“”。2.67-ACA27-ACA。27-ACAFig.2Correlationbetween7-ACAconcentrationsininfluentandcontaminantsineffluent27-ACA、COD、BOD57-ACA、TN·56·.watergasheat.comMBR7-ACA27217-ACA。7-ACACOD、BOD5。COD100mg/L、BOD5<30mg/L7-ACA7-ACA>60mg/LCODBOD5。7-ACA。27-ACATN、NH+4-NTP7-ACA。2.7COD、7-ACAy=b1x1+b2x2+b3x3+…+bnxn+e1yx1~xnb1~bn、e。1。7-ACA、7-ACA7-ACA7-ACACOD7-ACA。60d20d。1MBRTab.1CorrelationbetweeneachvariableofMBRCODBOD5TNTP7-ACA7-ACACOD7-ACACOD1-0.0130.270-0.174-0.0590.0320.2240.0100.299-0.112BOD5-0.0131-0.1310.0060.0240.157-0.1720.164-0.151-0.0420.270-0.13110.3010.145-0.2390.068-0.2470.3480.124TN-0.1740.0060.30110.108-0.0220.055-0.021-0.0800.018TP-0.0590.0240.1450.1081-0.2830.367*-0.3090.2870.1117-ACA0.0320.157-0.239-0.022-0.28310.0280.996**-0.896**-0.839**0.224-0.1720.0680.0550.367*0.0281-0.0550.0280.0157-ACA0.0100.164-0.247-0.021-0.3090.996**-0.0551-0.900**-0.845**COD0.299-0.1510.348-0.0800.287-0.896**0.028-0.900**10.726**7-ACA-0.112-0.0420.1240.0180.111-0.839**0.015-0.845**0.726**1*0.05**0.01。CODy1=0.003x1-74.521x2+94.4792y1COD%x17-ACAmg/Lx27-ACAkg7-ACA/kgMLSS·d。2R20.811F=57.774>F1-0.01227sig.0.05。7-ACAy2=-0.002x1-196.417x2+45.713y27-ACA%x17-ACAmg/Lx27-ACAkg7-ACA/kgMLSS·d。3R20.714F=33.693>F1-0.01227sig.0.05。COD7-ACA3。20dCOD7-ACACOD-30.9%~6.2%-6.6%7-ACA-2.2%~17.5%-10.4%。·66·2721.watergasheat.com3Fig.3ComparisonofpredictedvalueandmeasuredvalueCOD、7-ACACOD7-ACA。3①MBRMBR7-ACA<60mg/LCOD93.7%COD120mg/LBOD530mg/L10mg/LTN25~31mg/L78.2%TP0.49~1.56mg/L86.8%。7-ACA>60mg/LCODBOD5。、TN、TP7-ACANH+4-N、TNTP。②7-ACA7-ACA7-ACA。③COD、7-ACACOD、7-ACACOD7-ACA。1.J.2007361110-14.2.//CASSJ.2008242249-51.3.7-ACA、7-ADCA、GCLE、J.2003249415-416.4.J.2005164255-257.5.7-ADCA7-ACAJ.200422418-22.6.SMBRJ.200322512-14.7.PW—J.200132549-51.8.UASB/MBRJ.2009251552-54.9.J.200016220-24.E-mailkato981@163.comcaitj@263.net2011-03-11·76·.watergasheat.comMBR7-ACA2721
本文标题:MBR处理含7ACA的抗生素废水的试验研究白羽
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