PDMDAAC及其复合絮凝剂对模拟印染废水的处理中南大学学报自然科学版

394()Vol.39No.420088J.Cent.SouthUniv.(ScienceandTechnology)Aug.2008PDMDAAC1,2111(1.410083(2.435005)(PDMDAAC)30mg/L4BS30mg/LA240mg/LND3G10mg/L4pH6.70~7.48PDMDAAC420%pH12FeSO4-PDMDAAC87.40%PFS-FeSO4-PDMDAAC95.70%pH11~13PFS-FeSO4-PDMDAAC60%PFS-FeSO4-PDMDAACPFS-FeSO4-PDMDAAC95.17%90.30%X703A1672−7207(2008)04−0658−07SimulateddyeingwastewatertreatedbyPDMDAACanditscompositeflocculantsLIRong-ting1,2,ZHENGYa-jie1,PENGZhen-hua1,PENGChang-hong1(1.SchoolofMetallurgicalScienceandEngineering,CentralSouthUniversity,Changsha410083,China;2.DayeNonferrousMetalLimitedCompany,Huangshi435005,China)Abstract:Polydiallyldimethylammoniumchloride(PDMDAAC)anditscompositeflocculantswereusedtotreat4kindsofsimulateddyeingwastewaterinwhichtheconcentrationsofdirectfastscarlet4BS,acidturpuoiseblueA,yellowbrownND3GandbasicrhodaminetonerBwererespectively30,30,240and10mg/L.Theresultsshowthatthedecolorizationrateisbelow20%whenpHvalueis6.70−7.48totreat4kindsofsimulateddyeingwastewaterbyPDMDAAC.Thedecolorizationrateisupto87.40%atpH12whenacompositeflocculantofFeSO4-PDMDAACtreatswastewaterofdirectfastscarlet4BS.Thedecolorizationrateis95.70%atpH12whenPFS-FeSO4-PDMDAACisusedtotreatwastewaterofacidturpuoiseblueA.Thedecolorizationrateisabout60%atpH11−13whenPFS-FeSO4-PDMDAACisusedtotreatwastewaterofyellowbrownND3G.WhenPFS-FeSO4-PDMDAACisusedtotreatwastewaterofbasicrhodaminetonerBthedecolorizationeffectissmall.WhenPFS-FeSO4-PDMDAACisusedundertheactionofperoxidethedecolorizationratesoftwokindsofsimulateddyeingwestwaterofbasicrhodaminetonerBandyellowbrownND3Gare95.17%and90.30%,respectively.Keywords:PDMDAAC;copperas;polyferricsulfate;dyeingwastewater2007−10−232008−01−21(200501045)(1959−)0731-8836285E-mail:[e-mail]4PDMDAAC6591(3~4)×106m3CODCrBOD5[1−2][3−5]PDMDAAC()[6−11][3]FeSO4-MgSO4-Cu(OH)2-PAM97.5%3.49g/L[12]94%[13]X-3B88.67%75%[14][15]PDMDAAC(PFS)FeSO4411.1A30mg/L4BS30mg/LND3G240mg/L10mg/LPFS[16−17]12.24%3mol/LPDMDAAC0.93dL/g[18]3001.21.2.1PFS40%PDMDAAC142.4g/LPDMDAAC50g/LPFS-PDMDAAC13.9g40mL602.44g40%PDMDAAC1h50mL142.4g/LPDMDAAC50g/LFeSO4-PDMDAAC250mLPFS208.5gFe138g/L45mL5.47g40%PDMDAAC601hFe124.7g/LPDMDAAC43.8g/LPFS-FeSO4-PDMDAAC1.2.2500mL500mL200r/min5min80r/min15min20min722pHpH1mol/LNaOH1mol/LH2SO4pH1.341~41Table1Absorbencyofdirectfastscarlet4BSsimulatedwastewateratmaximumabsorptionwavelength/nm4807704908205008205107842Table2AbsorbencyofacidturpuoiseblueAsimulatedwastewateratmaximumabsorptionwavelength/nm6201381630168364017606501390()396603Table3AbsorbencyofdirectyellowbrownND3Gsimulatedwastewateratmaximumabsorptionwavelength/nm41011894201186430118844011844Table4AbsorbencyofbasicrhodaminetonerBsimulatedwastewateratmaximumabsorptionwavelength/nm530940540136055018855601700x%10010×⎟⎟⎠⎞⎜⎜⎝⎛−=AAx(1)A04A422.1PDMDAAC20g/LPDMDAACpH6.727.226.707.48PDMDAAC11PDMDAAC2.2PFS-PDMDAACPFS-PDMDAAC142.4g/LPDMDAAC50g/LpHPFS-PDMDAAC22PFS-PDMDAAC0.03mLPFS-PDMDAAC0.03mL12341PDMDAACxFig.1EffectofPDMDAACdoseondecolorizationratex12342PFS-PDMDAACxFig.2EffectofPFS-PDMDAACdoseondecolorizationratex86.35%43.88%58.63%PFS-PDMDAAC0.060.060.0450.045mLPFS-PDMDAACpH33PFS-PDMDAAC74.17%~84.76%pHpH750%~60%PFS-PDMDAAC4PDMDAAC66112343PFS-PDMDAACpHxFig.3EffectofpHvalueofdyeingwastewatertreatedbyPFS-PDMDAACondecolorizationratex2.3FeSO4-PDMDAACFeSO4-PDMDAAC142.4g/LPDMDAAC50g/LpH12FeSO4-PDMDAAC44FeSO4-PDMDAAC0.9mL85.85%12344FeSO4-PDMDAACxFig.4EffectofFeSO4-PDMDAACdoseondecolorizationratex0.5mL80%0.05mL58%~59%FeSO4-PDMDAAC0.40.50.050.10mLFeSO4-PDMDAACpH55FeSO4-PDMDAACpHpH1287.40%81.54%pH60%FeSO4-PDMDAAC12345FeSO4-PDMDAACpHxFig.5EffectofpHvalueofdyeingwastewatertreatedbyFeSO4-PDMDAACondecolorizationratex2.4PFS-FeSO4-PDMDAACPFS-FeSO4-PDMDAAC124.7g/LPDMDAAC43.8g/LpH12PFS-FeSO4-PDMDAAC66PFS-FeSO4-PDMDAAC0.05mL0.70mL63.10%95.71%0.05mL0.70mL63.70%95.70%0.07mL()396620.60mL81.12%5.10%0.3mL57.74%PFS-FeSO4-PDMDAAC0.70.072.0mLPFS-FeSO4-PDMDAACpH77pH9~13PFS-FeSO4-PDMDAAC80%pH11~13PFS-FeSO4-PDMDAAC12346PFS-FeSO4-PDMDAACxFig.6EffectofPFS-FeSO4-PDMDAACdoseondecolorizationratex1237PFS-FeSO4-PDMDAACpHxFig.7EffectofpHvalueofdyeingwastewatertreatedbyPFS-FeSO4-PDMDAACondecolorizationratex60%PFS-FeSO4-PDMDAAC2.5H2O2PFS-FeSO4-PDMDAACPDMDAACPFS-FeSO4-PDMDAAC500mLpH=11H2O20.05mL0.5%0.5mLPFS-FeSO4-PDMDAAC88PFS-FeSO4-PDMDAAC0.8mL90.30%95.17%128H2O2PFS-FeSO4-PDMDAACxFig.8EffectofPFS-FeSO4-PDMDAACdoseondecolorizationratexofyellowbrownandbasicrhodaminetonerBwastewaterunderactionofH2O24BS2Fe2+Fe3+ZataApH11Fe3+=N+(CH3)CH2C6H54PDMDAAC663NH+(C2H5)CH2C6H5PFSND3GPFSFe2+PDMDAACPFSFeSO4[19]PDMDAACPDMDAACPFSPDMDAAC3a.PDMDAAC20%b.PFS-PDMDAAC74.17%~84.76%ApH750%~60%c.FeSO4-PDMDAACpHpH1287.40%81.54%pH60%d.PFS-FeSO4-PDMDAAC95.7%0.07mL0.60mL81.12%5.10%57.74%e.PDMDAACPFS-PDMDAACFeSO4-PDMDAACPFS-FeSO4-PDMDAACPFS-FeSO4-PDMDAAC90.30%95.17%[1],.[J].,2007,44(2):48−51.YANJin-xia,CHENGQing-li.Areviewonthetreatmenttechnologyofdyeingwastewater[J].DyestuffsandColoration,2007,44(2):48−51.[2],,,.[J].,2003,23(4):23−27.ZHANGYu-feng,TENGJie,ZHANGXue-ying,etal.Progressoftheresearchesondyeingwastewatertreatmenttechniques[J].IndustrialWaterTre