氟化钙污泥处置及资源化利用

11*211．2100962．210013、、。、、。X703A1006－2009201402－0012－05DisposalandUtilizationofCalciumFluorideSludgeHEYuan1HUANGYing1*WANGＲui-hui2HONGFeng11．SchoolofEnergyandEnvironmentSoutheastUniversityNanjingJiangsu210096China2．NanjingEnvironmentalMonitoringCenterNanjingJiangsu210013ChinaAbstractAreviewconcerningtheexistingapproachestotreatrecycleandutilizecalciumfluoridesludgeisgiveninthispaperincludingfloatationtorecycleCaF2meltingwithwaterworkssludgerecyclingasadditiveincementconcreteporcelainandsolidification-stabilizationofflyashandactingasfluoriteinsteel-making．Allthesemethodsinthispaperarefeasibleintheoryandpracticeprovidingareferencetothetreatmentandproposaloffluoridecontaminatedsludge．KeywordsCalciumfluoridesludgeDisposalＲesourceutilization2013－10－152014－02－14NCET－09－0288BE20127382010062012050452010061989—。*[e-mail]、。、、、。/、1－2。35%～60%146%～65%。60%1。。1。《》GB5749－20061．0mg/L。。—21—262201443－5。119906－8。8。9－10≤50%。11－13。Hsiung8。1378℃1518℃4∶61193℃0．82mCaO∶mSiO2。。2%。214。80%。1。215－16+。、、。。90%1。1。1Fig．1Theflowchartofflotationprocess30℃15。。。317150℃＜60μmA、、、。30%3．2×106N/m2＜1．0%17。1414℃1100℃。17。—31—262．20144。。。17。、EPA17。。4。、18。、、、4。19。220－21。2Fig．2Theflowchartofproducingcementusingcalciumfluoridesludge≤30%20。19。20－21。1450℃21。≤5%21。20095。。≤5%。。。5、、。22－31、、、、、、、。。Ｒao32。1．5%～9%。4MPa～5MPa3%—41—262．20144。2mg/L。。。33、、、、、、、。20cm。2、25。。6、、34。Kim35。、3min～4min10cm、10cm20℃～23℃、80%～90%28d。m∶m∶m=16∶1∶3280kN/m2。。。7CaO+S=CaS+O12O+Si=SiO222CaO+SiO2=2CaO·SiO2319。19。。1。。、19。。。8。、、36－37。、、。。1．J．20066113－1424．2．J．198627－15．3．、—51—262．2014430%EB/OL．Japandoeco20082013－10－12．http//img．jp．fujitsu．com/down-loads/jp/jed/brochures/find/26－3j/34．pdf．4．CSＲＲ/OL．2013－10－12．ht-tp//．mmc．co．jp/corporate/ja/03/06/report/pdf/csr2012．pdf．5．JapanP09015Ｒ/OL．2010－09－032013－10－12．http//．nedo．go．jp/library/seika/shosai_201009/20100000001027．html．6OHSHIMAYMASUTAT．SludgemeltingJ．WaterScienceandTechnology199123768－71．7OKUSKASAITTAKEDAN．MeltingsystemforsewagesludgeJ．WaterScienceandTechnology19902212319－327．8HSIUNGJSHUANGYCLIKCetal．Studyontheinfluenceofadditivesinanindustrialcalciumfluorideandwaterworkssludgeco-meltingsystemJ．JournalofEnvironmentalManage-ment2007844384－389．9．J．1991111－1317．10．J．199616187－92．11HUANGYCLIKCCHIANGHH．Ｒecoveringindustrialsludge-derivedslagasfineaggregateJ．JournalofEnvironmen-talScienceandHealthPartA2005401193－202．12HUANGCPANJＲLIUY．MixingwatertreatmentresidualwithexcavationwastesoilinbrickandartificialaggregatemakingJ．JournalofEnvironmentalEngineering20051312272－277．13MUＲAKAMITISHIDATSASABEKetal．CharacteristicsofmeltingprocessforsewagesludgeJ．WaterScienceandTech-nology19912310/122019－2028．14．M．2008．15．J．20053485－7．16．C//．．2011．17．J．2003224－8．18．J．200278－10．19．J．2002413－6．20．102531429P．2012－07－04．21．102795795P．2012－11－28．22AHMADIBAL-KHAJAW．UtilizationofpaperwastesludgeinthebuildingconstructionindustryJ．ＲesourcesConservationandＲecycling2001322105－113．23TAYJHHONGSYSHOWKY．ＲeuseofindustrialsludgeaspelletizedaggregateforconcreteJ．JournalofEnvironmentalEngineering20001263279－287．24BAIYBASHEEＲPAM．InfluenceoffurnacebottomashonpropertiesofconcreteJ．StructuresandBuildings2003156185－92．25PENPOLCHAＲOENM．Utilizationofsecondaryleadslagascon-structionmaterialJ．CementandConcreteＲesearch20053561050－1055．26ANNKYMOONHYKIMYBetal．Durabilityofrecycledag-gregateconcreteusingpozzolanicmaterialsJ．WasteManage-ment2008286993－999．27BATAYNEHMMAＲIEIASII．UseofselectedwastematerialsinconcretemixesJ．WasteManagement200727121870－1876．28ISMAILZZEL-HASHMIEA．ＲeuseofwasteironasapartialreplacementofsandinconcreteJ．WasteManagement200828112048－2053．29PAPPUASAXENAMASOLEKAＲSＲ．SolidwastesgenerationinIndiaandtheirrecyclingpotentialinbuildingmaterialsJ．BuildingsandEnvironment20074262311－2320．30POONCSCHAND．TheuseofrecycledaggregateinconcreteinHongKongJ．ＲesourcesConservationandＲecycling2007503293－305．31SINGHALAPＲAKASHSTEWAＲIVK．TrialsonsludgeoflimetreatedspentliquorofpicklingunitforuseinthecementconcreteanditsleachingcharacteristicsJ．BuildingsandEnvi-ronment2007421196－202．32ＲAOSMVENKATAＲAMA-ＲEDDYBVLAKSHMIKANTHSetal．Ｒe-useoffluoridecontaminatedbonecharsludgeincon-creteJ．JournalofHazardousMaterials20091662－3751－756．33々．12Ｒ．2005．34NISHIDAKNAGAYOSHIYOTAHetal．MeltingandstoneproductionusingMSWincineratedashJ．WasteManagement2001215443－449．35KIMYJQUＲESHITI．Ｒecyclingofcalciumfluoridesludgeasadditiveinthesolidification-stabilizationofflyashJ．JournalofEnvironmentalEngineeringandScience200655377－381．36．J．20102244－6．37．J．200618232－34．—61—262．20144