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3:2004204208:(1967),,,,:(2001BA609A210):100926094(2005)012001620431,2,2,1(1,110006;2,110142):(GCAS)(PASS),pHCOD,:pH=210,32mgöL;pH=1010,48mgöL;,32mgöL48mgöL,pH=810910,25min,COD85%,99%COD,,:;;;;COD:X793:A0,,,,,,,,pH,,,,,,[1],,,,,,;,,,,,,[2,3],,,,[4,5],,,,;,,,,,1111,;,,();,,;,,;,,;Al2(SO4)318H2O,,,COD100718mgöL,019,pH=817,722,;JB902D,;PHS23C,;HH24,1122144g,60mL,SiO22%,014molöLpH515610,,,,5188gAl2(SO4)318H2O,pH210,113,60,(),4mmolöL112molöL,,,,,,50,114[6]COD;72222116,pH=1010,,80100römin25min,COD,(),1(a)(b)1,,48mgöL(),COD,4814%2616;48615120052JournalofSafetyandEnvironmentVol.5No.1Feb,2005转载(),COD,48mgöL(),,COD1(a)PASSCODFig11(a)EffectofPASSdosageonCODremovalrate1(b)PASSFig11(b)EffectofPASSdosageonphoticdegree21221211,6,pH818,48mgöL(),80100römin2,25min,COD,2(a)(b)2,48mgöL,COD-32mgöL,COD,80%2712;,,32mgöL48mgöL212122,,32mgöL,80100römin,,48mgöL,25min,CODCOD6512%1615,,COD,-,213pH6()pHpH,48mgöL(),80100römin25min,COD,3(a)(b)2(a)GCASCODFig12(a)EffectofGCASdosageonCODremovalrate2(b)GCASFig12(b)EffectofGCASdosageonphoticdegree3(a)pHPASSCODFig13(a)EffectofpHonCODremovalratebyusingPASStreatingwastewater3(b)pHPASSFig13(b)EffectofpHonphoticdegreebyusingPASStreatingwastewater7120052,:Feb,2005中国科技论文在线öL,80100römin25min,COD,4(a)(b)4(a)pHGCASCODFig14(a)EffectofpHonCODremovalratebyusingGCAStreatingwastewater4(b)pHGCASFig14(b)EffectofpHonphoticdegreebyusingGCAStreatingwastewater4,,pHCODCODpH210,pH;pH210,pH,,pH210COD,,215pH6pH,48mgöL,80100römin,32mgöL,25min,COD,5(a)(b)5,pH,CODpH,pH=8184,COD,8212%4517;,pH,pH8185(a)pHCODFig15(a)EffectofpHonCODremovalratebyusingcompositecoagulanttreatingwastewater5(b)pHFig15(b)EffectofpHonphoticdegreebyusingcompositecoagulanttreatingwastewater2165,48mgöL,80100römin32mgöL,,COD,6(a)(b)6(a)CODFig16(a)EffectofsettlingtimeonCODremovalrate81Vol.5No.151中国科技论文在线(b)Fig16(b)Effectofsettlingtimeonthephoticdegree6,,COD,25min,,25min3,,:,,COD32mgöL48mgöL,pH89,25minReferences():[1]ChenLifeng()1Astudyoncoagulationinhighlyturbidwater[J].TechnologyofWaterTreatment(),1995,21(1):4651[2]LiXiao(),XueFengchun(),LiuFenghui(),etal.Studyongraftcopolymerizationofacrylamideontostarch[J].PetrochemicalTechnology(),2002,31(11):820822[3]ZhaoYansheng(),LiWanjie()andShenJingzhi().SynthesisofCSGManditscharacteristics[J].TechnologyofWaterTreatment(),1994,20(6):370373[4]SunJianhui()andXuYi().Progressofinorganiccoagulantpolysilicate[J].IndustrialWaterTreatment(),2000,20(3):47[5]ChenFutai(),ZhuYongqian(),WangShuguang().Studyontheflocculationperformanceofthenovelpolymericaluminiumsilicaflocculantusedinbathingwastewaterreuse[J].TechniquesandEquipmentforEnvironmentalPollutionControl(),2002,3(7):2124[6]YaoShuhua(),ShiZhongliang(),SongShouzhi(),etal.RapiddeterminationofwastewaterCODbyusingMnSO4ascatalyst[J].EnvironmentalEngineering(),2003,21(5):5456NewmethodforprocessingpapermakingwastewaterbycoagulantofstarchgraftcopolymerandpolyalminiumsilicatesulfateYAOShu2hua1,2,SHIZhong2liang2,SONGShou2zhi1(1SchoolofResources&CivilEngineering,NortheastUniversity,Shenyang110006,China;2DepartmentofAppliedChemistry,ShenyangInstituteofChemicalTechnology,Shenyang110142,China)Abstract:ThepresentpaperhasstudiedtheinfluencesofpHofwastewaterbyaddingtheamountofGCAS,PASSandsettlingtimeontheCODremovalrateandphoticdegreewiththeoptimumconditionsobtained.Asisknown,inorganicandorganicpolymercoagulanthasbeenwidelyusedfortreatinglivingwater,industrialwaterandindustrialeffluent.Theresultsobtainedaresatisfactory.IndustrialprocessshowsthattheGCASandPASSpreparedinthelaboratorycanwellbeutilizedforpapermakingwastewatertreatment.TheresultsshowthattheflocculatingeffectsofGCASonacidwastewaterandPASSonbasicwastewateraresatisfactory,withtheoptimumamounttobeaddedbeing32mgöLand48mgöLrespectively.TheoptimumamountofGCASandPASScompositecoagulanttobeaddedisGCAS=32mgöL,andPASS=48mgöL,pH=8.09.0,andthesettlingtimebeing25min.Inthiscondition,theCODremovalrateofthispapermakingwastewaterprovesover85%,andthelighttransmissionrateis97%98%.GCASandPASScompositecoagulantcanimprovetheCODremovalratewithoutthesecondpollution.Keywords:environmentalengineering;GCAS;PASS;wastewatertreatment;CODremovalrateCLCnumber:X793Documentcode:AArticleID:100926094(2005)01200162049120052,:Feb,2005中国科技论文在线