简介：Theutilizationofsteelslaghasbeenaworldwideissueforalongtime.Attentionisincreasinglybeingpaidtothetechnologicalinnovationanddevelopmentofsteelslag.Aimingatthedevelopmentofenvironmentallyfriendlysteelslagconcretematerialsandtheiruseinarecyclableeconomy,Baosteelhasrecentlybeenconductingresearchonandusingmanynewbuildingmaterials,includingsteelslagpowderconcrete,steelslagperviousconcrete,steelslagcounterweightconcreteandsoon.Inthisway,steelslaghasbeenturnedfromakindofsolidwasteintoavalue-addedmaterial.Thetechnologyofsteelslagutilizationhasbeenenrichedanddeveloped,whileanewmodelofusingBaosteelsteelslaginarecyclableeconomyhasalsobeenexploredandpractised.

简介：Hot-rolledgalvanizedsteelsheetismadefromhot-rolledpickledsheetbycontinuoushot-dipgalvanizingprocess.Withoutthecold-rollingprocess,itgreatlyreducestheoperatingcostsandsavesinvestmentforshorterprocessandlowerenergyconsumption.Theeconomicadvantageisobvious.Thecharacteristicsofhigh-yieldandlowcostwillgreatlyenhancethecompetitivenessofenterprisesinthemarket.Therearebigdifferencesbetweenthesubstratesofhot-rolledgalvanizedsteelsheetandcold-rolledgalvanizedsteelsheetinsurfaceroughness,chemicalelements,andsurfacedefects.Thesefactorsdirectlyaffectonthequalityofgalvanizedsheet.Picklingprocessisusedtoremovetheoxidelayerwhichisformedonthesurfacesofhot-rolledsteelsheet.Thesurfacesmustbethoroughlycleanedfortheoxidelayerwillseriouslyaffecttheadhesionofgalvanizedcoating.Residualimpurities,Carbonconcentratingandotherproblemsmustnotbecausedduringpicklingaswell.Therefore,thequalityofgalvanizingdependsonthequalityofpickledsheetsurfaces.ExperimentalmethodssuchasAES,XPS,SEM,OMareemployedduringtheresearchfordetailedanalysisontheeffectsofhot-rolledplatesandhotpicklingplatesonthequalityofhot-rolledgalvanizedproducts.

简介：MaterialFlowAnalysis（MFA）isacrucialinstrumentforsustainabledevelopmentandcreatingindustrialecologysystem.MFAstudiescouldbalanceandanalyzethesources,flows,andconsumesofspecificmaterialsorsubstances.TheresultsofMFAstudiescouldsupportthestrategiesordecisionsmakingforenergy,resource,andwastemanagement,especiallyachievingsustainableresourcemanagement.AtCSC,thedynamicsimulatingsoftware,STELLA,isusedtodevelopaMFAmodelforscenarioanalysis.CSCalsousesthefreewareSTAN2.0asatoolforvisualizingandsimulatingmaterialflowsandstocks.CasestudiesofgreenhousegasesMFAforintegratedsteelworksareconducted.Theresultsshowedthatthecarboncontentofhot-metalisanimportanthiddenflowforbalanceanalysis,andthedifferentGHGemissionscenariosandmitigationactionscenariosareassessed.Inaddition,theIron-makingGHGI/OMFAModel,basedonworldsteelGlobalSteelSectorApproach（GSSA）,isdevelopedforcalculatingtheCO2andenergyintensityofcokemaking,sintering,andBFprocesses.ThisMFAmodelwasusedtoanalyzetheCO2reductionpotentialforiron-makingprocess.ThecasesconductedforMFAapplicationsatCSCweresuchasgreenhousegas,zinc,etc.Inthefuture,CSCisgoingtodevelopa'CSCEnvironmentManagementandDecisionSupportingSystem'whichcombineMFA,LCA（lifecycleassessment）,andenvironmentriskassessment.Thissupportingsystemexpectstopromotingenergyefficiencyandbestresourceuse,supportingenvironmentpolicymaking,creatingenvironmentalinformationvalue,etc.

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简介：ThephysicalandchemicalpropertiesandsoundnessofBaosteelPowerPlant’sdrydesulphurizedflyashweresystematicallyinvestigatedandcomparedwiththoseofthesimilarbyproductsproducedbysomeotherdomesticpowerplants.Thefeasibilityofthesebyproductsusedasaconstructionmaterialwasalsoanalyzed.TheresultsshowthatBaosteel’sdrydesulphurizedflyashisakindofashwithhighcalciumandhighsulfurcontents,whichhasthecharacteristicsofvolcanicashactivity.Itcontainssulfateandsulfite,andiseasytocausesulfateactivation.Ithashigheractivitycomparedwithcommonflyash.Buthighercalciumsulfiteandfree-CaOcontentsinashwillbringaboutsoundnessconcernstousers.Therefore,qualitytestsandvolumecontrolwillbenecessarywhenflyashisusedasaconstructionmaterial.