PFS絮凝膜分离法处理含油食品废水的研究李爱阳

1　10环境工程学报Vo.l1,No.10200710ChineseJournalofEnvironmentalEngineeringOct.2007PFS-李爱阳1　蔡　玲1,2　朱志杰2(1.,421008;2.,410083)　　PFS-。PFS、pH、、,、COD、SSNH3-N,:PFS70mg/L,pH7,60min,40℃,0.7MPa,、COD、SSNH3-N98%、93%、92%80%,《》。　　PFS　　　X703.1　　　A　　　1673-9108(2007)10-0051-05Studyontreatmentoffoodoil-containingwastewaterbyPFSflocculation-membraneseparationLiAiyang1　CaiLing1,2　ZhuZhijie2(1.DepartmentofChemicalEngineering,HunanInstituteofTechnology,Hengyang421008;2.CollegeofChemistryandChemicalEngineering,CentralSouthUniversity,Changsha410083)Abstract　Inthispaper,PFSflocculation-membraneseparationisappliedtotreatfoodoil-containingwastewater.Theremovalratesofoil,COD,SSandNH3-NarestudiedbychangingconditionsofaddingamountofPFS,pHvalue,reactiontime,operationtemperatureandpressureofmembrane,andtheoptimumtechnologi-calconditionsareobtained:theaddingamountofPFSis70mg/L,pHvalue7,reactortime60min,operationtemperature40℃andpressureofmembrane0.7MPa,Theremovalratesofoil,COD,SSandNH3-Nreached98%,93%,92%andabove80%,respectively.Theeffluentwatercouldreachfirstclassstandardsof《NationalIntegratedWastewaterDischargeStandards》.Keywords　oil-containingwastewater;PFSflocculation;membraneseparation;wastewatertreatment:2006(06KG59);(HGY0530):2006-12-30;:2007-07-17:(1969～),,,,。E-mail:[e-mail]　　,、、。,,,,。,、,、,。,COD、BOD,。,,。,,(PAC)[1,2]。PACCOD、、,[3,4]。,。(PFS)-,PAC,PFSCOD、、、。,《》(GB8978-1996)[5～8]。1　1.1　1()。100m3/d,1。1　Table1　Wastewaterqualityanddischargestandards(mg/L)SS(mg/L)COD(mg/L)NH3-N(mg/L)1000～2000600～800800～100030～402070100151.2　,。pHS-29A:。DBJ:4306。GDS-3:。756MG-:。Abcor.incHFD,0.005μm,72.1m2。1.3　,,,,,20mg/L,1。(),,,。,,。,NaOHHClpH,pH。PFS,,,GB8978-1996《》。1　Fig.1　Technologicalprocessforwastewatertreatment1.4　:;COD:;NH3-N:;SS:。2　2.1　PFSCOD、、NH3-N1000mg/L、1500mg/L、700mg/L40mg/L。pH7,40mg/L、50mg/L、60mg/L、70mg/L、80mg/L、90mg/L,(250r/min),PFSCOD、、NH3-N2。2,PFS,COD、、NH3-N,70mg/L,COD、、NH3-N,,PFS60～70mg/L。2.2　pH70mg/LPFS,(250r/min),1.0mol/LHCl1.0mol/LNaOHpH4、5、6、7、8、910,3。3,,COD、、NH3-N。pH5,,pH,;pH7,COD、、NH3-N,PFS。pH7,。pH,;pH,PFS,。pH7。5210:PFS-2　PFSTable2　EffectofPFSquantityonoil-containingwastewatertreatmentPFS(mg/L)(mg/L)(%)COD(mg/L)(%)SS(mg/L)(%)NH3-N(mg/L)(%)40320.5659.9238.5765.9247.9354.913.4056.750253.2068.3190.3972.8189.3365.711.2863.360107.1586.6170.9775.665.9788.010.1166.77098.8989.0169.3875.850.7390.810.5766.580135.7684.9164.5276.558.389.411.3663.390160.9182.1176.7474.766.287.712.0260.03　pHTable3　EffectofreactionpHonoil-containingwastewatertreatmentpH(mg/L)(%)COD(mg/L)(%)SS(mg/L)(%)NH3-N(mg/L)(%)4562.1430.0458.7034.5284.7448.216.7944.05490.7638.6363.5648.1197.6664.014.2652.56376.5952.9272.6461.2175.3968.112.7357.67210.2773.7160.5277.1169.9571.918.5771.68289.6663.8170.9675.6160.3770.89.9466.89357.5855.3300.7757.0179.6167.310.6164.510403.6549.5336.4552.0203.5662.311.0763.12.3　70mg/LPFS,pH7,(250r/min),30、40、50、60、70、8090min,4。4,,,PFS,60min,,,,。,,。60min,,60min。2.4　PFSPACPFSPAC,5。4　Table4　Effectofreactiontimeonoil-containingwastewatertreatment(min)(mg/L)(%)COD(mg/L)(%)SS(mg/L)(%)NH3-N(mg/L)(%)30566.3729.2448.5135.9380.7730.717.4541.840395.2650.6382.6745.3312.543.214.5351.650280.4164.9223.5968.1192.4365.011.8960.460392.7350.9214.7669.3258.8952.919.7667.570400.5249.9337.8551.7287.3347.810.5464.880437.6745.3404.5542.2299.6745.512.1159.65315　PFSPACTable5　ComparisonofeffectsofPFSandPAConoil-containingwastewatertreatment(mg/L)(%)COD(%)SS(%)PAC7046.752.256.4PFS7075.371.879.55,PFS,PAC,,。2.5　PFS,。,,,,,。6,15℃25℃,1。40℃,,,,40℃。6　Table6　Effectoftemperatureonmembraneflux(℃)(L/m2h)520.61031.41540.82069.62584.83090.73592.84094.34595.55092.32.6　PFS,。7。7　Table7　Effectofpressureonmembraneflux(MPa)(L/m2h)000.111.40.222.30.331.60.444.90.582.60.690.40.795.70.889.80.982.4,,,、、,。7,,0～0.7MPa,,0.7MPa,,,,,,,0.7MPa。2.7　20063,1,,。,8。8　Table8　Effectoffoodoil-containingwastewatertreatment()(mg/L)COD(mg/L)SS(mg/L)NH3-N(mg/L)(mg/L)COD(mg/L)SS(mg/L)NH3-N(mg/L)3.118599137743719406383.315467938093510557263.517488677623612605783.718978597113817534483.10164697475342156054123.1216999816763611574073.1518218786053518543873.171425810749338455643.2016738456822711505443.2312569266353613714073.2517388517663415425563.2815568827133994751143.3012498377353710405610(%)989392805410:PFS-　　8,PFS-,。、COD、NH3-N《》(GB8978-1996)。3　　PFS-,PFSCOD、,。、,:PFS70mg/L,pH7,60min,40℃,0.7MPa。:PFS-,,COD、SSNH3-N,、COD、SSNH3-N98%、93%、92%80%。[1],,.-.,2006,32(2):81～83[2],..,2005,(11):31～33[3],..,2006,6(1):54～56[4].PACS.,2004,35(1):35～37[5],,,..,2006,26(4):1～4[6],,,..,2006,26(2):122～125[7]KoyuncI.,KaralE.,TopacikD.Pilotscalenanofiltrationmembraneseparationforwastemanagementintextileindus-try.WaterScienceandTechnology,2001,43(10):233～240[8]LahiereR.J.,GoodiboyK.P.Ceramicmembranetreat-mentofpetrochemicalwastewater.EnvironmentalProgress,1993,12(2):86～9555