PSF混凝剂对印染废水的处理

PSF,,(,161006):,(PSF),,pH69,PSFpH7.585mg/L,SS()CODCr92.4%87.2%78.6%PFS()PAC(),PSFCODCr:;;:TS199:A:1000-4017(2006)09-0004-03WastewatertreatmentwithPSFcoagulantSUIZhi2hui,ZHANGJing2bin,SONGXu2mei(SchoolofLightIndustryandTextile,QiqiharUniversity,Qiqihar161006,China)Abstract:Anewtypeofinorganicpolymercoagulantpolysilicateferric(PSF)waspreparedbyusingblastfurnacesludgeasrawmaterials,itwasusedascoagulantinthetreatmentofdyeingwastewater.TheexperimentalresultsshowedthatPSFhadagoodcoagulationeffectinthewastewatertreatmentunderthepHvaluerangingfrom6to9.TheremovalrateofSS,chroma2ticityandCODCrwas92.4%,87.2%and78.6%respectivelyundertheconditionsofnormaltemperature,pHvalue7.5and85mg/Lcoagulant.Incomparisonwiththeconventionalcoagulants,suchasPFSandPAC,PSFfeatureshighersettlementrate,smallersludgevolume,higherremovalrateofchromaticityandCODCrandlowercost.Keywords:dyeingandfinishing;wastewatertreatment;coagulant4106m3[1],,,,,,,(PSF),,[27],0.1mm,,,[89],,PSF,,,,:2005-12-14:(1971-),,,11.1PSF,,11/%()SiO2Al2O3Fe2O3CaOMgOC8.144.0348.942.921.6731.461.2,,11PSF,:20%,NaCl8%,0.4MPa,85,1.5h,8%,pH2.0,4105Fe3+SO42-,,,4(2006No.9)©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(160r/min)(40r/min),,;,,,12min3.2pH85mg/L,pH,pH,22pH2,pH69,,Fe3+pH,Fe(),,,;,,PSFpH7.5,,SS92.4%,87.2%,CODCr78.6%3.3pH7.5,,333,PSF,SSCODCr;85mg/L,,,,,,;,,;,,,,,,,3.4,PSFPFS(,)PAC(,),SSCODCr,444,,PSFPFSPACPSF:(1)PSFFe3+,5PSF(2006No.9)©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2)Fe3+,,,,,(3)PSF,105,,,,PSF2,,22,PFSPAC,PSF44.1PSFpH69,4.2,PSF:pH7.5,85mg/L;,160r/min2min,40r/min10min,20min,SSCODCr92.4%87.2%78.6%4.3PFSPAC,PFS4.4PSF,,,,,:[1],.[J].,2000,31(5):13.[2]HasegawaT,HashimotoK,OnitsukaT,etal.Characteris2ticsofMetal2PolysilicateCoagulants[J].WaterScienceandTechnology,1991,(23):17131722.[3]BurnetG.NewerTechnologiesforResourceRecoveryfromCoalCombustionSolidwastes[J].Energy,1986,11(11):1363.[4],.[J].,1999,19(5):266269.[5],,,.[J].,2005,31(1):3638.[6].[J].,1999,15(2):14.[7],.[J].,1998,18(1):1719.[8]FornachtDR.Recyclingofferroussteelplantfines[J].IronandSteelmaking,1981,(4):2226.[9]FelixALopez,CarlosPerez,EnriqueSainz,etal.Adsorp2tionofPb2+onBlastFurnaceSludge[J].J.Chem.Tech.,1995,62:200205.?:KW:,,,APEO,,,,::!::0757-8593319113702658926:0757-859346186(2006No.9)©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.