Helios循环：一种通过钠循环实现脱碳铁矿石还原工艺.pdf

1、The Helios CycleA Decarbonized Iron Ore Reduction Process Through Sodium LoopingBreakthrough Technology ConferenceDecember 2025Hani Farran,PhD.VP R&D at HeliosIron oreIron ore+SodiumGangue+Sodium oxideIronOxygenGangueSodium oxideSodiumElectricalenergyIron oxideSilicaAluminaIronSodiumSodium oxideOxyg

2、enPATENT GRANTEDThe Helios CycleUsing sodium,replacing coal or hydrogenIndifferent to feedstock grade3.0MWh-4.0MWh per ton(at 250C to 350C)02 Breakthrough Technology Presentation-Proprietary&Confidential,no unauthorized use or distributionReduction Results For Various OresHematite&Magnetite(USA Run

3、of mine)Low grade ore,Fe total 37.3%wtCompound NameFormula%wtHematiteFe2O323MagnetiteFe3O420.6GoethiteFeO(OH)3.1Silicon Oxide SiO246.2CronstedtiteFe4SiO5(OH)43.1DolomiteFe4SiO5(OH)41.4SideriteFeCO32.7Experiment IDFeNa2OSiO2Na4(SiO4)SodiumB02-4019.552.225.22.40.703 Breakthrough Technology Presentatio

4、n-Proprietary&Confidential,no unauthorized use or distribution Calculated results after reduction,before separation:04 Breakthrough Technology Presentation-Proprietary&Confidential,no unauthorized use or distribution Calculating Iron Metallization n(Fe)total=Iron metallization 99%Metallization=0.349

5、0.349X 10019.555.845X 1Experiment IDFeNa2OSiO2Na4(SiO4)SodiumB02-4019.552.225.22.40.7Reduction Results for Various OresTailings(Australia)-Fe total 41%wtCompound NameFormula%wtHematiteFe2O337.5GoethiteFeOOH23.3NacriteAl2Si2O5(OH)439.105 Breakthrough Technology Presentation-Proprietary&Confidential,n

6、o unauthorized use or distribution Position 2(Cobalt(Co)2030405060708090100Counts0200040006000 ORE22_b02_1Hematite,syn 36.2%Goethite,syn 24.1%Nacrite 39.7%XRDSample IDFeSiO2Al2O3PSMnCaOMgOTiO2K2OTailings39.018.9514.60.0720.0180.4110.140.280.80.068XRFCalculated results after reduction,before separati