污水厂污泥制轻质陶粒研究现状及应用前景

X,,(,300071):,,:;;:X705:A:1002-1264(2003)06-0013-02UseofSewageSludgeforManufacturingLightCeramsiteHEJun,WANGQi2shan,RENAi2ling(CollegeofEnvironmentalScienceandEngineering,NankaiUniversity,Tianjin300071,China)Abstract:Asbyproductsderivedfromtheregularactivitiesofwastewatertreatmentplants,itisnecessarytoimple2mentanadequatedisposalofsludges.Onthebasisofintroducingthestudyonusingsewagesludgefromsewagetreatmentplantasasourcetoproduceanewkindofbuildingmaterial-lightceramsitebothathomeandabroad,theapplicationprospectofthetechnologyonaspectofpreparationtechnologym,technicalfeasibilityanalysisandthee2conomicandenvironmentalprofitsarediscussed.Keywords:sewagesludge;lightceramsite;feasibilityanalysis,,[1],,,,,,,,,,11.1,JC487-92500kg/m3200,300,400500410mm20mm(A)(B)(C)[2],,,,,20009151.21.2.1,,,,,,10001100,2530min34Mpa,16%18%,NakouziS[3],,,,,[4]1.2.22090,,,,300t/d31166200312URBANENVIRONMENT&URBANECOLOGYVol16,No.6Dec.2003X:(023608411):2003-07-16[5]1995,,,,[6]1.3,1[7]1(GB2842-81)(JC487-92)22.1SiO2Al2O3Fe2O3,,3:,SiO2Al2O3Fe2O3,3/4;,Na2OK2OFeOMgO;,,H2OO2CO2COH2,(%):SiO2:4868Al2O3:1218Fe2O3:510K2O+Na2O:2.57.0,Riley[8],,,,Riley,%2:SiO2:53%79%,Al2O3:10%25%,Fe2O3K2ONa2OCaOMgO13%26%[9]2Riley2.2,,,30%,20%,10%21M1.78kg/m3,5000/t8.9/m3,[10]2.3,,,,,,,,,,,,33.1,,,,5003.2,4995kJ/kg,,[1].[J].,2001,18(3):26-29.[2]JC487-92,[S].[3].[J].,1991,(5):10-11.[4]NakouziS.ANovelApproachtoPaintSludgeRecycling[J].JournalofMaterialResearch,1998,13(1):53-60.[5].[M].:,2002.44-45[6].[P].:95101220,1995.11-10.[7].[J].,2000,20(9):129-132.[8].[J].,1997,(4):14-19.[9],.[J].,2002,(2):10-11.[10].[J].,1995,(2):18-24.:(1978-),,,,411662003