您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 项目/工程管理 > 灼烧方式对稻壳灰形貌特征和成分的影响
20134444doi10.6041/j.issn.1000-1298.2013.04.024*121211.1500012.110136。。575℃SiO2815℃SiO2。TK6S216.2A1000-1298201304-0131-06EffectofCalcinationMethodonMorphologicalCharacteristicsandCompositionofRiceHuskAshLiHongtao12LiBingxi1XuYouning2GaoXiaoyan11.SchoolofEnergyScienceandEngineeringHarbinInstituteofTechnologyHarbin150001China2.KeyLaboratoryofCleanCombustionforElectricGenerationandHeatSupplyTechnologyofLiaoningProvinceShenyangInstituteofEngineeringShenyang110136ChinaAbstractInordertoobtainthebestprocessforricehuskcombustionthemorphologicalcharacteristicsandcompositionofricehuskashRHAwerestudiedbychangingcalcinationtemperatureandresidencetime.TheresearchonmorphologycharacteristicsshowedthatthecarboncontentofRHAwaslowerwhenadoptedthemodeoffirstlowertemperaturecombustionthenhighertemperaturecombustion.ThemicroscopicmorphologyofRHAwasdifferentbyusingdifferentcalcinationmethods.TheparticlesizeofRHAbydirecthighertemperaturecombustionwassignificantlylargerthanthatbyothermethods.ForthecomponentofRHAthemainingredientofRHAwasamorphousSiO2bylowertemperature575℃combustionwhilesilicaformcrystalwhenpreparationprocessexistedinhighertemperature815℃combustionstageandthepotassiumcontentofRHAwasrelativelylowerbyusingthemodeoffirstlowertemperaturecombustionthenhighertemperaturecombustion.KeywordsRicehuskashCalcinationmethodMorphologicalcharacteristicsCompositionGrayvalue2012-10-172012-11-22*1307396090102E-maillht9542@163.comE-maillibx@hit.edu.cn20%13%~29%1~8。9~15。。Krishnarao620KK2OK16Chandrasekhar500~1000℃171817、500~700℃。650℃650℃19。17。。11.11。PARR-6200GB/T213—200314.35MJ/kg。GB/T212—2008KSZN-K8。VarioELIII1。1Fig.1Sizedistributionofricehuskpowder1.211.5±0.02g60mm×30mm1Tab.1Proximateanalysesandultimateanalysesofricehusk%MarAarVarCdHdOdNdSd6.816.963.740.345.2635.620.540.11ard。KSZN-K8。275℃、575℃815℃32。Quanta200FFEI20kV1000。XRD-6000XXCuαλ=1.541840.0kV50.0mA0.15000mmθ~2θ5.0000°/min0.0200°。Quanta200FEDX、、。2Tab.2Calcinationsmethodofriceashformationbychangingtemperatureandresidencetime/℃/min275℃275~575℃575℃575~815℃815℃130P120NN227530P120NN32750P120NN430P0P120527530P0P12062750P0P1207815NNN1208815NNN15090P150NN10575NN150NNNP。22.13。3417.12%318.54%3、91023120133Tab.3Yieldofricehuskashbydifferentcalcinationmethodsdrybasis12345678910/%18.1018.2118.5417.1217.3518.0818.1317.9918.4618.47。。2.22。32255255。2341、45293、61078。275℃30min29275℃575℃275℃。275℃20。19650℃275℃650℃。2.341000。575℃1、2、3、91050μm784、56。2Fig.2Macro-morphologyofRHAbydifferentpreparationmethods3Fig.3GrayvalueofRHAbydifferentpreparationmethods2.45XRD。4~8ICDDPDF39-1425SiO2P4121292。、。6XRD。62θ22°575℃SiO2。XRDSiO233144SEMFig.4SEMmicrographsofRHAbydifferentpreparationmethods。EDX。7。EDX4.5%~9.5%。454.5%789.5%。5XRDFig.5XRDpatternofRHAwithhighertemperaturecombustiona4b5c6d7e8fP4121292。8。84、563%6%。575℃。575℃。。43120136XRDFig.6XRDpatternofRHAwithouthighertemperaturecombustiona10b9c3d2e17EDXFig.7RelationshipbetweengrayvalueandcarboncontentusedEDXanalysisSiO2。8EDXFig.8PotassiumcontentusedEDXanalysis31。2575℃。3575℃50μm。4575℃SiO2815℃SiO2。5。6575℃575℃。7SiO2。1.J.201041196~100.SunLiangSunQingJieXinetal.MaintechnologicalparametersofricehullhotbriquettingJ.TransactionsoftheChinese5314SocietyforAgriculturalMachinery201041196~100.inChinese2.J.199122397~99.3RozaineeMNgoSPSalemaAA.Effectoffluidisingvelocityonthecombustionofricehuskinabench-scalefluidisedbedcombustorfortheproductionofamorphousricehuskashJ.BioresourceTechnology2008994703~713.4PrasetyokoDRamliZEndudSetal.ConversionofricehuskashtozeolitebetaJ.WasteManagement200626101173~1179.5NehdiMDuquetteJDamattyAE.PerformanceofricehuskashproducedusinganewtechnologyasamineraladmixtureinconcreteJ.CementandConcreteResearch20033381203~1210.6ChandrasekharSPramadaPN.Ricehuskashasanadsorbentformethyleneblue—effectofashingtemperatureJ.Adsorption200612127~43.7KordatosKGavelaSNtziouniA.SynthesisofhighlysiliceousZSM-5zeoliteusingsilicafromricehuskashJ.MicroporandMesoporMaterials20081151~2189~196.8ChandrasekharSPramadaPNMajeedJ.EffectofcalcinationtemperatureandheatingrateontheopticalpropertiesandreactivityofricehuskashJ.JournalofMaterialsScience200641237926~7933.9.J.2010396631~634.ChenLongGaoFengHuangFeietal.ResearchprogressinpreparationofactivatedcarbonandsilicafromricehuskJ.LiaoningChemicalIndustry2010396631~634.inChinese10NairDGFraaijAKlaassenAAKetal.AstructuralinvestigationrelatingtothepozzolanicactivityofricehuskashesJ.CementandConcreteResearch2008386861~869.11.J.201035335~37.12.J.2011395123~127.ChenYingquanWangXianhuaQianKezhenetal.InfluenceofpyrolysisandcombustingtemperatureoncharacteristicsofricehuskashJ.JournalofHuazhongUniversityofScienceandTechnology2011395123~127.inChinese13PayaJMonzoJBorracheroMVetal.DeterminationofamorphoussilicainricehuskashbyarapidanalyticalmethodJ.CementandConcreteResearch2001312227~231.14SrivastavaVCMallIDMishraIM.OptimizationofparametersforadsorptionofmetalionsontoricehuskashusingTaguchi'sexperimentaldesignmethodologyJ.ChemicalEngineeringJournal20081401~3136~144.15ChatveeraBLertwattanarukP.Evaluationofsulfateresistanceofcementmortarscontainingblackric
本文标题:灼烧方式对稻壳灰形貌特征和成分的影响
链接地址:https://www.777doc.com/doc-1920145 .html