高效菌株处理聚酯废水影响因素研究陈英文

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,,(,210009)[]PA-18,CODCr、、pH,、、Fe2+,PA-18,。[];;[]X703.1[]B[]1005-829X(2008)11-0036-03(PET)。(PTA)(EG),〔1〕。PET,、、、、,,。———(Pseudomonas-stutzeri)PA-18PET,CODCr、、pH、、、Fe2+PA-18CODCr,PA-18,,PET。11.11.1.1、,;、、、、、、,;,。1.1.2PA-18,(PET)。1.1.3PET,COD100~20000mg/L(),,。,、、〔2~4〕。,:4000mg/L、1.5mg/L、0.5mg/L、0.3mg/L、0.5mg/L、200mg/L,CODCr10000mg/L。。1.2COD〔5〕;pHpHS-2CpH;(PerkinElmerLambda25UV/VISSpectrometer);(PerkinElmerLambda25UV/VIS2811200811IndustrialWaterTreatmentVol.28No.11Dec.,2008InfluentialfactorsofahighlyeffectivestrainonthetreatmentofPETwastewaterChenYingwen,XuXinmei,ShenShubao(CollegeofPharmaceuticalandLifeSciences,NanjingUniversityofTechnology,Nanjing210009,China)Abstract:Thestrain,Pseudomonas-stutzeriPA-18,hasbeenusedforthedegradationofPETwastewater.TheeffectsoftheinitialCODCr,temperature,andpHonthewastewaterdegradationofthestrainhavebeeninvestigated.Theorthogonaldesignisusedforanalyzingtheeffectsofnitrogen,phosphorusandFe2+onthewastewaterdegradationofthestrain.Theoptimizedconditionsofthisprocessareconfirmed.Theoptimizedconditionsaresyntheticallyapplied.Keywords:polyethleneglycolterephthalatewastewater;Pseudomonas-stutzeri;orthogonaldesign363、、Fe2+PA-18CODCrK2HPO4/(g·L-1)NH4Cl/(g·L-1)FeSO4/(g·L-1)CODCr/(mg·L-1)CODCr/%0.050.250.0528890.40.100.250.0530090.00.050.500.0524991.70.100.500.0522592.50.050.250.1034288.60.100.250.1038487.20.050.500.1032789.10.100.500.1028590.5(3)FeSO4(2)NH4Cl1×21×3(1)K2HPO42×3-5.754.752.5-0.250.250;:CODCr2**(3-0);=0.32()p=0.052、、Fe2+PA-18CODCr1CODCr/℃CODCr/(mg·L-1)CODCr/%2546584.53035288.33532889.14042685.845216728.8Spectrometer)。1.3、、PA-18250mL100mL,A660nm=3.0,,170r/min。CODCr、、pH、、Fe2+,,,CODCr。2(1)PA-18,CODCr,PA-18CODCr,1。1,37℃,pH7.0,PA-18CODCr9360、4840、2460mg/L,31h,CODCr66.9%、72.7%、85.9%,46h,CODCr80.6%、83.8%、89.3%。,PA-18PET,CODCr3000mg/L,30h。(2)25~45℃。,CODCr3000mg/L,pH7.0,30hCODCr,PA-18,1。1,PET。36.8℃〔6〕。36.8℃。(3)pHPA-18PET。pH3~5。PA-18PETpH,CODCr3000mg/L,36.8℃,30hpHCODCr,2。2,PETpH。pH=7.0CODCr,90.0%,pH=7.2〔6〕。(4)、、Fe2+PA-18PET。PET,、。〔7〕:SH1,FeSO4。〔8〕。L8(23)、、Fe2+PETCODCr。3。statistica6.0〔9〕,24。,:2008-11,28(11)1000090008000700060005000400030002000100001020304050CODCr9360mg/LCODCr4840mg/LCODCr2460mg/L/hCODCr/(mg·L-1)1CODCr2pHCODCrpHCODCr/(mg·L-1)CODCr/%528006.7643085.7729890.0842185.9994368.6372008-11,28(11)4,、、Fe2+(p0.05),2:FeSO43PET。FeSO40.05g/L,K2HPO40.05g/L,NH4Cl0.25g/L。(5)。PA-18PET:PETCODCr3000mg/L,30h,36.8℃,pH7.0,FeSO40.05g/L、K2HPO40.05g/L、NH4Cl0.25g/L。PETCODCr,PET。CODCr254mg/L,CODCr91.5%。3。3,PET、、、、、300nm〔10〕。300nm,,,300nm,〔10〕。:,。3(1)PA-18CODCr9360、48402460mg/L,CODCr2460mg/LPET31h,CODCr85.9%。(2)CODCr3000mg/L,PA-18(25~40℃)pH(6~8),PA-18PET:36.8℃,pH=7.0。(3)statistica6.0,、、Fe2+PA-18,Fe2+PA-18PET,PA-18PET:FeSO40.05g/L、K2HPO40.05g/L、NH4Cl0.25g/L。(4),CODCr91.5%。,PET。[][1],.(PET)[J].(),2004,43(4):646-650.[2],,,.[J].,2003,16(2):27-30.[3],.[J].,2001,19(3):20-22.[4].[J].,2002(2):27-28.[5].[M].:,1997:123-126.[6].[M].:,1980:293-294.[7],,,.SH1[J].(),1999,32(4):42-46.[8],.[J].,2001,21(1):42-46.[9],.[M].:,2002:225-229.[10],.[M].:,1998:633-645.1.191.101.000.900.800.700.600.500.400.300.200.10-0.01200250300350400450500550600650700750800211—2—λ/nmA3200~800nm[](1978—),2003,,。:025-83587349,E-mail:mrenglishchen@126.com。[]2008-07-30()4、、Fe2+PA-18CODCrt(1)p-95.0%95.0%/90.000000.200000450.00000.00141587.4587692.54124(1)K2HPO40.100000.4000000.25000.844042-4.982485.18248(2)NH4Cl1.900000.4000004.75000.132096-3.182486.98248(3)FeSO4-2.300000.400000-5.75000.109620-7.382482.782481×21.000000.4000002.50000.242238-4.082486.082481×3-0.100000.400000-0.25000.844042-5.182484.982482×300.40000001.000000-5.082485.0824838

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