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当前位置:首页 > 行业资料 > 造纸印刷 > 多种强化混凝技术在制浆造纸废水深度处理中的应用探讨
Approachtotheapplicationofseveralenhancedcoagulationtechnologiestoadvancedtreatmentofpulp&papermakingwastewaterXuYan1,WangZheng2(1.BeijingDrainageGroupResearchCenter,Beijing100021,China;2.ShanghaiUrbanPlanning&DesignResearchInstitute,Shanghai200040,China)1,2(1.,100021;2.,200040)[]:。、、3,、。[];;[]X703.1[]A[]1005-829X(2010)07-0015-04Abstract:ItisknownthattheenhancedcoagulationwatertreatmenttechnologyconformstothecountrysituationinChina,andismorefeasibletopopularizeinlarge-scaleengineering,basedonmanykindsofpulp&papermakingwastewatertests,engineeringpracticeandsummarizationofdomestic-foreigndocuments.Furtherdiscussiononthreekindsofenhancedcoagulationtechnology,suchashighlyefficientdissolvedairfloatation,enhancedcoagula-tionwithpowderactivecarbonandloadedcoagulationmagnetismseparationhascarriedout,soastoprovidearea-sonableandfeasibleadvancedtreatmentguidelineforpulp&papermakingwastewatertreatment.Keywords:pulpandpapermakingwastewater;enhancedcoagulation;advancedtreatment,(GB3544—2008),1。,,,。,,。11.1+/(PAC)、(PAM),/、,,〔1〕。〔2〕,。Fe2+,Fe3+,。1GB3544—2001GB3544—2008CODCr/(mg·L-1)300~45050~100BOD5/(mg·L-1)60~10010~20SS/(mg·L-1)10010~50NH4+-N/(mg·L-1)-5~12TN/(mg·L-1)-10~15TP/(mg·L-1)-0.5~0.8/5050pH6~96~9/(mg·L-1)9~128~12(TEQ)/(pg·L-1)-3030720107IndustrialWaterTreatmentVol.30No.7Jul.,201015——2010-07,30(7)1.2()。Fenton(Fe2++H2O2)、〔1,3〕。〔4〕TiO2、WO3/α-Fe2O3/W,,COD,。1.3,COD,,〔1,5〕。1.4,,。,〔6〕。〔7〕。、、,。,。2,。PAC200~1500mg/L,PAM2~5mg/L,0.1/m3,。/2.5/m3,。,,,,,,。2.1(HDAF)、、、。:(1)———,,、,。(2)———,,,。(3)———“”“”〔8〕,,,。HDAF2。HDAF,,。,,。,,,“”。、、,。,。,,、、,“”,,,,。,,,。,。,,HDAF99.5%,COD65%~90%,70%~95%;,。HDAF1。2.2(EC-PAC)2070。,,、、。,BOD、COD2HDAFHDAF/MPa0.2~0.40.45~0.55/μm20~405/%5~1030/min15~303~5/(m3·m-2·h-1)5.410.0/m2.0~2.50.416——2010-07,30(7)、、、、、。,,。,。EC-PAC〔8-9〕:(1)、,,BOD、COD、,。(2),、,/。(3),。EC-PAC,2。:(1)200~400。,。(2)100~200mg/L,、,。(3)EC-PACCOD70%~75%。(4),,,。、;,,。,PAC40~60s。(5),PAM。(6),30~45min。,EC-PAC,30~45min。2.3(Co-Mag)〔10-11〕。Co-Mag,,,(BOD、COD、SS)。,20~40。Co-Mag,、,、(),3。Co-Mag()3。Co-Mag。、,95%~99%,Co-Mag。Co-Mag,、、、、。3、、,,。[][1]ChenW,HoranNJ.Thetreatmentofahighstrengthpulpandpapermilleffluentforwastewaterreuse().Tertiarytreatmentoptionsforpulpandpapermillwastewatertoachieveeffluentrecycle[J].Envi-ronmentalTechnology,1998,19(2):173-182.[2],,,.[J].,2007,7(1):57-59.[3],,.—,:1HDAF2EC-PAC3Co-Mag3Co-MagCo-MagBOD/COD—2/(mg·L-1)5005TSS/(mg·L-1)≥2502/NTU10002/%99.99%17——[J].,2006,28(9):686-689.[4],,.WO3/α-Fe2O3/W[J].,2001,19(2):131-138.[5].COD[J].,2003(3):25-28.[6],,,.[J].,2008,27(2):44-47.[7],,,.[J].,2001,29(4):398-401.[8].(3)———[M].2.:,2004:398-401.[9],.[J].,2006,22(4):17-20.[10]CortSL.Watertreatmentusingmagneticandotherfieldseparationtechnologies:US,2007039894[P].2007-02-22.[11]SteveW,HughT.Magneticallyenhancedcoagulationminimizessystemsizeneededforindustrialwastewatertreatment[J].Proceed-ingsoftheWaterEnvironmentFederation,IndustrialWater,2007:643-654.[](20050505)Preparationofnano-Fe3O4andstudyofitsimprovementofflocculationeffectofbio-polymericferricsulfateNiuYan1,GuanXiaohui2,YinRong3(1.FacultyofEnvironmentalScienceandEngineering,GuangdongUniversityofTechnology,Guangzhou510006,China;2.CollegeofChemicalEngineering,NortheastDianliUniversity,Jilin132012,China;3.DepartmentofCommonCourses,BeihuaUniversity,Jilin132013,China)Fe3O41,2,3(1.,510006;2.,132012;3.,132013)[],Fe3O4,,。:Fe3O4,,0.4mL/L,Fe3O42.4mg/L。[]Fe3O4;;[]TF18[]B[]1005-829X(2010)07-0018-04Abstract:Basedonthestudyofflocculationperformanceofbio-polymericferricsulfate(BPFS),nano-Fe3O4ispreparedfromBPFSbyusingsemi-permeablemembranemethod,thenuseittoremoveturbidityfromwastewatercombinedwithBPFS,theflocculationeffectisinvestigatedandthemechanismofflocculationisstudied.Theresultsshowthatnano-Fe3O4canimprovetheflocculationeffectofBPFSandishelpfultoacceleratetheseparationofsolidandliquid,thesatisfyingeffectisachievedintreatinglowtemperatureandlowturbiditywastewater,theoptimumadditiondosageofBPFSandnano-Fe3O4isrespectively0.4mL/Land2.4mg/L.Keywords:nano-Fe3O4;bio-polymericferricsulfate;flocculationperformance30720107IndustrialWaterTreatmentVol.30No.7Jul.,2010[](1978—),2008,。13681102839,E-mail:flyingxu@sina.com。[]2010-03-20()18——
本文标题:多种强化混凝技术在制浆造纸废水深度处理中的应用探讨
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