PAMAM改性沸石及其在印染废水处理中的应用研究张光华

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ResearchonPAMAMmodifiedzeoliteanditsapplicationtoprintinganddyeingwastewatertreatmentZhangGuanghua,ShenYi,WangHuiping(KeyLaboratoryofAssistantChemistry&TechnologyforLightChemicalIndustry,DepartmentofEducation,ShaanxiUniversityofScience&Technology,Xi’an710021,China)PAMAM,,(,710021)[]-(4.0GPAMAM),。、、、CODCr。,CODCr86.2%93.7%。[]-;;[]X703[]A[]1005-829X(2010)05-0061-03Abstract:ThepreparationofmodifiedzeolitebyPAMAM(4.0G)isintroduced.Themodifiedzeolitehasbeenusedfortreatingprintinganddyeingwastewater.Theeffectsofitsdosage,timeofreaction,pHofthesolution,tempera-tureofthereaction,etc.ontheremovalratesofCODCrandchromaofthewastewaterarestudied.Theresultsshowthatundertheoptimumconditions,theremovalratesofCODCrandchromaoftheprintinganddyeingwastewaterre-search86.2%and93.7%,respectively.Keywords:polyamidoaminedendrimer;modifiedzeolite;printinganddyeingwastewaterCOD、、、,〔1-4〕。,、,,,。。,、。:,、。,、、。、,、、〔5〕。-(PAMAM),,,,,〔6〕。PAMAMPAMAM,PAMAM。,PAMAM,。11.1PB-21pH,;ALC-110.4,;CTL-12CODCr,;101,;PAMAM,。1.2PAMAM0.5GPAMAM:9.0g(0.15mol)32g(1.0mol),25℃30520105IndustrialWaterTreatmentVol.30No.5May,2010[]61——2010-05,30(5)103.2g(1.2mol),24h,0.5GPAMAM〔7〕。1.0GPAMAM:20.2g(0.05mol)0.5GPAMAM64g(2.0mol)NH2CH2CH2NH2+4CH2=CHCOOCH3CH3OOCCH2CH2CH3OOCCH2CH2NCH2CH2NCH2CH2COOCH3CH2CH2COOCH3,25℃72g(1.2mol),24h,1.0GPAMAM。1.5、2.5、3.5GPAMAM:1.0、2.0、3.0GPAMAM,0.5GPAMAM。0.5GPAMAM+4NH2CH2CH2NH2NH2CH2CH2NHOCCH2CH2NH2CH2CH2NHOCCH2CH2NCH2CH2NCH2CH2CONHCH2CH2NH2CH2CH2CONHCH2CH2NH22.0、3.0、4.0GPAMAM:1.5、2.5、3.5GPAMAM,1.0GPAMAM。1.3(),:SiO2,73.20%;Al2O3,11.40%;Fe2O3,0.29%;CaO,2.67%;MgO,1.05%;Na2O,0.31%;K2O,2.58%;H2O,8.15%;,0.35%。,pH5.3,1520,COD1831mg/L。1.41.4.11001mol/L1∶1024h。,,。1.4.2PAMAM500g4.0GPAMAM,40~45℃,2h,,48h,100,PAMAM。1.4.3,PAMAM、、pH。100mL,,、、,。1.4.4COD;;pHpH。22.14.0GPAMAM1。1,2936.86、2866.15cm-1—CH2—;3278.87cm-1N—H;1468.75cm-1—CH2—;1642.69、1558.47cm-1。N,1642.69、1558.47cm-12,。,—CONH—N—HC—N。1115.58cm-1C—N。,4.0GPAMAM—NH2、—CH2—、—CONH—,。2.2100mL,,。COD,2。2,,,CODCr。2g,CODCr,62——2010-05,30(5),,,,,“”。,,,2g。2.3100mL,2g,,,COD,3。3,30min70%,CODCr120min。120min,,,。2.4pHpH,pH,pH1~9,120min,COD。4。4,,,。,。4.0GPAMAM—NH2,—NH3+—,,—NH3+,。,。pH=5.3,91.8%,pH。2.52.3,5~75℃,5。5,,40~45℃。,,PAMAM,。,40℃。3(1)PAMAM:20g/L、120min、pH5.0、40℃。93%、CODCr86%。(2)PAMAM、,、、。[][1].[J].,2001,22(4):33-35.[2]GanjidoustH,TatsumikK,YamagishT,etal.Effectofsyntheticandnaturalcoagulantonligninremovalfrompulpandwastewater[J].Wat.Sci.Tech.,1997,35(2/3):291-296.[3]JohnsonBA,GongB,BellamyW,etal.PilotplanttestingofdissolvedairflotationfortreatingBoston,slow-turbiditysurfacewatersupply[J].Wat.Sci.Tech.,1995,31(3):83-92.[4],,,./[J].,2004,23(3):31-33.[5],,.[J].,2000(2):17-21.[6],.-[J].,2004(1):81-84.[7],,,.-[J].,2000,9(1):62-64.,:PAMAM[](1962—),2003,,,。:13992099270,E-mail:zhanggh@sust.edu.cn。[]2009-11-29()63——

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