粉煤灰的矿物组成_上_

:2000210231:,()(400045):,:,:O741.2:A:100528249(2001)0120026206,,,,,,,,,,,,,,,,,,,,,,,,,,11.1,,,,;,NaKCa,,,:12%,1020%,,;;622001NO.1FLYASHCOMPREHENSIVEUTILIZATION©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1]X1.3,,,,,,,1()kaoliniteillitechloritequartztecalcitedolomiteankeritesideritepyritemarcasiteAl2Si2O5(OH)4Kal2(Si3Al)O10(OH)2(MgFeAl)5(SiAl)4O10(OH)8SiO2CaCO3Ca,Mg(CO3)2Ca(FeMg)CO3FeCO3FeS2()FeS2()coquimbiteszmolnokitegypsumbassaniteanhydritejarositeplagioclaseorthoclasesphleritegalenapyrrhotiterutileFe2(SO4)9H2OFeSO4H2OCaSO42H2OCaSO41/2H2OCaSO4KFe3(SO4)2(OH)6(NaCa)Al(AlSi)Si2O8KalSi3O8ZnSPbSFeSTiO2witheriteBaCO3sylviteKClhaliteNaClgarnet3CaOAl2O3SiO2hornblendeCaO3FeO4SiO2apatite9CaO3P2O5CaF2zirconZrSiO4epidote4CaO3Al2O36SiO2H2ObiotiteK2OMgOAl2O33SiO2H2OaugiteCaOMgO2SiO2prochlorite2FeO2MgOAl2O32SiO22H2OdiasporeAl2O3H2OlepidocrociteFe2O3H2OmagnetiteFe3O4kyaniteAl2O3SiO2staurolite2FeO5Al2O34SiO2H2Otopaz(AlF)2SiO4tourmalineH9Al3(BOH)2Si4O19hematiteFe2O3penninite5MgOAl2O33SiO22H2O,,,,,,2,,,,,,,2.11,,,1000,1650400,72FLYASHCOMPREHENSIVEUTILIZATION2001NO.1©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(CaO),CO2,,500,750,(FeS2)300,Fe1-XS,500(Fe2O3)(Fe3O4)SO2FeS2,,FeS2,FeS/FeO,1100Fe1-XS2.2,FeO-SiO2-Al2O3,CaO-SiO2-Al2O3K2O-SiO2-Al2O3Huffman[2]18,,2FeO-SiO2-Al2O3,,3,,,15,900,,900,K2O-SiO2-Al2O39001000,10001200,,1200,,,40050%,,2FeO-SiO2-Al2O3[2]2.3,,,,,SO2,822001NO.1FLYASHCOMPREHENSIVEUTILIZATION©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[3]2Rohatgi[4]3.23.2.1(Al6Si2O13),Al2O3,Al2O3Al2O3,220%,60%[3]:(1)Al2O3;(2)Al2O32[4]Mullite3A2O32SiO2QuartzSiO2-Magnetite-ferriteFe3O4-(Mg,Fe)(Fe,Mg)2O4HematiteFe3O4AnhydriteCaSO4Gehlenite,AkermaniteCa,Mg,Al(Si2O7)-Ferritespinel(Mg,Fe)(Fe,Mg)2O4MerwiniteCa3Mg(SiO4)2Bredigite,LarniteCa2SiO4LimeCaOPericlaseMgONepheline,CarnegieiteNaAlSiO4Feldspar(Na,Ca,Al)Pyroxene(Mg,Fe,Ca,Al)/Cristobalite/quartzSiO2C3SCa3SiO5C3ACa3Al2O6AnhydriteCaSO4Al-HauyneC4A3SC12A712CaO7Al2O33.2.2(SiO2),SiO2,,SiO23.3.3(Fe3O4)/(Mg,Fe)(Fe,Al)2O4/(Fe2O3)Fe3O4,,AlMgTiFe,,,92FLYASHCOMPREHENSIVEUTILIZATION2001NO.1©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[3]FeO3,SiO2+Al2O3+Fe2O33.2.4(CaSO4),CaOSO2O2CaSO4,SO2CaSO4[3],(Na,K)2SO4,,[5]3.2.5(3CaOAl2O3),,,XRDXRD,[5]3.2.6(Ca2(Mg,Al)(Al,Si)2O7)/(Ca3Mg(SiO4)2))/(MgO)MgO,,,XRDXRD,,MgO,,,MgO,,3.2.7(CaO),CaO,CaO3[5](CaO10%)2045453244415945(wt%)0.811.88.01.92.023.9(wt%)0.45.05.11.41.78.3(CaO1019.9%)313636134201930283236(wt%)1.07.68.60.83.72.70.71.325.5(wt%)0.53.14.70.51.81.40.60.78.9(CaO20%)979797229797979797(wt%)1.55.66.51.73.26.91.91.22.732.4(wt%)0.52.52.80.81.42.81.00.71.17.23.33McCarthy[5]4[6],,,4[6](%)(%)6.41.115.920.411.329.25.2021.159.842.270.18.21.023.5SiO238.526.345.7Al2O312.44.821.53.4032001NO.1FLYASHCOMPREHENSIVEUTILIZATION©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7],,,,:,,,,,,,,,,(111),,,,,,1.515,,,,,,Biggs[7],,15m,,,Biggs[7]X,X,,,,X,,,,,X,,,,,Scheetz[8]Raman,,,,10,461cm-1,Raman,,70,,10,487cm-1626cm-11016cm-1[1]G.Couch.Understandingslaggingandfoulinginpfcombustion.IEACoalResearch,London,1994[2]G.P.Huffman,F.E.Huggins,G.R.Dunmyre.Investigationofthehigh-temperaturebehaviorofcoalashinreducingandoxidizingatmo2spheres.Fuel.60(7),585-597,1991[3]L.L.Sloss,I.M.SmitheandD.M.B.Adams.Pulverizedcoalash-requirementsforutilization.IEACoalResearch,Longon,UK,1996[4]R.K.Rohatgi,P.Huang,R.Guo,B.N.KeshavaramandD.Golden.Morphologyandselectedpropertiesofflyash.In:FlyAsh,.SilicaFume,Slag,andNaturalPozzolansinConcrete,ProceedingsFifthIn2ternationalConference,Milwaukee,Wisconsin,USA,April2125,1995,459478[5]G.J.McCarthy,J.K.Solem,O.Manz,D.J.Hassett.Useofadatabaseofchemical,mineralogicalandphysicalflyashanditsutiliza2tionasamineraladmixtureinconcrete.MaterialsReserchSocietySymposiumProceedings,Vol.178,331,1990[6],,,..:,1995[7]D.L.BiggsandJ.J.Bruns.Transmittedandreflectedvisiblelightmi2croscopyoftwobituminousflyashes.MaterialsResearchSocietySym2posiumProceedings,Vol.2130,1985[8]B.E.ScheetzandW.B.White.CharacterizationofcrystallinephasesinflyashbymicrofocusRamanspectroscopy.MaterialsResearchSoci2etySymposiumProceedings,Vol.43,5360,198513FLYASHCOMPREHENSIVEUTILIZATION2001NO.1©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.