硅藻土的改性及深加工利用

2012295P619.265;TD985A1007-9386(2012)02-0055-05ModificationandDeepProgressingofDiatomiteandItsApplicationsZHAOHeng,HEXue-hua,TONGDong-shen,YUWei-hua(CollegeofChemicalEngineeringandMaterialsScience,ZhejiangUniversityofTechnology,Hangzhou310032,China)Abstract:Thispapersimplyintroducedtheorigin,structureandpropertiesofthediatomite,andreviewedthepresentdomesticandinternationalapplicationofthediatomitefromthefilteraidagent,packing,buildingmaterials,thermalinsulationmaterialsandcarrieraspects.Moreoverthispapermainlyreviewedtheapplicationprogressofthemodifieddiatomiteandtheresearchprogressofdeepprogresseddiatomitefromthepreparationofrubber,porousceramics,asphalt,paperandnewbuildingmaterialsaspects.Finallywelookforwardtothefutureofdevelopmentprospectsofthediatomite.Keywords:diatomite;modification;deepprogress;utilizationSiO2Al2O3Fe2O3CaOMgOK2ONa2OP2O5[1-2][3](14001650)[4]1229.2t[5]53.37%43.77%[6](UnitedStatesGeologicalSurvey(USGS)MineralsResourcesProgram)2050100t[7][8]2.1(2011)20012002200320042005200620072008200920104642383430(t)[8][7][9]2.2[7]2.3[10][11]2.4()3.1[12],,[13]3.1.1,,,,,[14]pH[15]Pb2+Cu2+Sr2+[16-18]Pb2+70%Cu2+80%Sr2+35%40%PAMPAM(PAM)Pb2+Cd2+PAM[19-20][15][21][22]3.1.22012295[23](SDS)[24]pH=82520min71%2510min85%[25]BODCOD84.7%90.5%TiO2/20%80%TiO2TiO2/60min90%TiO2[26]3.1.375%Al3+[27]Al3+[28]1,3.1.4()[29-30][31]3.23.2.1[32][32]42.1kN/m/[33]MW-25,[34][35]25%[36]3.2.2[37][38]()()[39]6h90.8%36%3.2.3[40-41][42]3.2.4[43]TiO2[43]3.3[44][45][46][1]AKSAKALEL,ANGINI,OZTAST.Effectsofdiatomiteonsoilphysicalproperties[J].Catena,2012,88(1):1-5.[2]RANGSRIWATANANONK,CHAISENAA,THONGKASAMC.Thermalandacidtreatmentonnaturalrawdiatomiteinflu-encinginsynthesisofsodiumzeolites[J].JournalofPorousMaterials,2008,15(5):499-505.[3]SPRYNSKYYM,KOVALCHUKI,BUSZEWSKIB.Thesepara-tionofuraniumionsbynaturalandmodifieddiatomitefromaqueoussolution[J].JournalofHazardousMaterials,2010,181:700-707.[4],,.[J].,2010,27(2):26-30.[5],.[J].,2008(3):58-63.[6],.[J].,2009(12):190-213.[7],,.[J].,2006(S1):55-58.[8],,.[J].,2008(5):60-62.[9],,.[M].:(),2011.[10],,.[J].,2010(21):71-72.[11],.[J].,2009(11):37.2012295[12],.[J].,2010,28(S1):39-42.[13],,.[J].,2010(14):150.[14],,,.[J].,2011,31(7):183-189.[15],.[J].,2011(17):43-46.[16],.Pb2+[J].,2010(11):24-29.[17],.Cu2+[J]..2010(12):125-136.[18],,.Sr(II)[J].,2011(20):52-87.[19],,,.PAMPb2+[J].,2011,34(2):54-58.[20],,,.PAMCd2+[J].,2011,31(7):130-135.[21].[J].,2004,19(3):81-84.[22]KHRAISHEHMAM.Remediationofwastewatercontainingheavymetalsusingrawandmodifieddiatomite[J].ChemicalEngineeringJournal,2004,99:177-184.[23]AL-GHOUTIMA,AL-DEGSYS,KHRAISHEHMAM,etal.Mechanismsandchemistryofdyeadsorptiononmanganeseoxides-modifieddiatomite[J].JournalofEnvironmentalManagement,2009,90:3520-3527.[24],,,.[J].,2011,34(4):66-68.[25],,.[J].,2010,28(2):186-193.[26],,.TiO2/[J].,2010,33(4):72-73.[27],,,.[J].,2009,27(4):25-27.[28],,,.[J].,2010,38(29):16410-16411.[29]AIVALIOTIM,VAMVASAKISI,GIDARAKOSE.BTEXandMTBEadsorptionontorawandthermallymodifieddiatomite[J].JournalofHazardousMaterials,2010,178:136-143.[30]HSIENKJ,TSAIWT,SUTY.Preparationofdiatomite-TiO2compositeforphotodegradationofbisphenol-Ainwater[J].JournalofSol-GelScienceTechnol,2009,51:63-69.[31].[J].,2007,20(6):53-58.[32],,,.[J].,2011(2):19-21.[33],,,./[J].,2010,38(11):73-76.[34],.[J].,2010,31(5):26-28.[35],,,.[J].,2011,41(2):51-55.[36],,,.[J].,2011,32(7):1617-1621.[37].[J].,2011,34(4):10-13.[38],.[J].,2008(3):133-137.[39],,,.[J].,2008,31(4):62-65.[40]JAHROMISG.Effectsofnanoclayonrheologicalpropertiesofbitumenbinder[J].ConstructionandBuildingMaterials,2009,23:2894-2904.[41],,.[J].,2011,28(2):25-30.[42],,,.[J].(),2010,31(12):1782-1785.[43],.[J].,2010(2):7-29.[44],,,.[C].,2009,129-131.[45],,,.[J].,2011,29(1):7-11.[46],.[J].,2010(4):91-94.2012-02-07(73)[J].,2006,6(3):377-384.[11],.[J].,2004,37(6):37-38.[12],.[J].,2007(3):59-60.[13].[J].,2005,28(6):56-58.[14],,,.[J].,2006,25(4):19-21.[15],,,.[J].,2006,29(4):16-18.[16],,.[J].,2007,27(3):268-270.[17],.[J].,2003,36(7):54-55.[18]BOYDSA.Sorptioncharacteristicsoforganiccompoundsonhexadecyltrimethy1ammoniumsmectite[J].SoilSci.Soc.Am.J.,1988,52:652-657.[19],,.[J].,2007(1):171-173.[20],,.Cr6+[J].,2007(4):60-64.[21].[J].,2009(10):42-43.[22],,,.TiO2/[J].,2011,11(1):117-123.[23]ZHOUCH.Claymineral-basedcatalystsandcatalysis[J].Ap-pliedClayScience,2011,53(2):85-86.2012-01-16