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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Materials for Green Energy
Presentation Title Electromagnetic Levitation Refining Of Silicon-iron Alloys for Generation of Solar Grade Silicon
Author(s) Yindong Yang, Katherine Le, Mansoor Barati, Alex McLean
On-Site Speaker (Planned) Yindong Yang
Abstract Scope At present, expensive semiconductor grade silicon (SEG-Si) is used for the manufacture of cells to convert solar energy into electricity. This results in a high cost for photovoltaic electricity compared to electricity derived from conventional sources. The processing of inexpensive metallurgical silicon, or ferrosilicon alloys to solar grade silicon, is a potentially economical refining route to produce photovoltaic (PV) silicon. With phosphorus being one of the most difficult impurities to remove by conventional techniques, this project investigated the use of electromagnetic levitation (EML) of ferrosilicon (75Fe-25Si) in a hydrogen-argon gas stream (48.5% H2), to assist with dephosphorization. The experimental results demonstrated that dephosphorization was achieved through increased processing time in the EML system, with approximately 40% of phosphorus removed from ferrosilicon after 20 minutes. Effects of changing system pressure, thermodynamic and kinetic factors on dephosphorization were also evaluated.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)


A Comparison between Recycled Spent Zeolite and Calcite Limestone for Manganese Removal
A Novel Air Electrode Using Core-Shell Particles for Metal Hydride/Air Rechargeable Battery
Cycle Performance of Air Electrode and Metal Hydride/Air Secondary Battery
Defect Engineering for Strong Photocatalysis of TiO2 Nanoparticles with Dopants: DFT Calculations and Experimental Verifications
Development of Air Electrodes Using Different Types of Carbon Materials for Metal Hydride/Air Secondary Battery
Effect of Mo6+ Substitution on Microstructure and Lithium Ionic Conductivity of Garnet-Type Li7La3Zr2O12 Solid Electrolytes by Field Assisted Sintering Technology
Electromagnetic Levitation Refining Of Silicon-iron Alloys for Generation of Solar Grade Silicon
Emission and Photocatalytic Properties of Graphene:ZnO Hybrid Nanostructures
Environmental Impact of the Synthesis of Calcium Silicates (C2S AND C3S) by Combustion Processes
Environmentally Responsible Polymer Selection for Organic Photovoltaic Solar Cells
Novel Metrics for Assessing Criticality of Byproduct Metals
PAN-16: Heat Capacity and Thermal Expansion of Solar Salts Determined by Thermal Analysis Techniques
PAN-17: Influence of Organic Solvent on Pt Nanoparticles Synthesis on MWCNT for ORR
PAN-18: One-pot “Green” Synthesis of Nitrogen Doped Porous Titania Nanospheres for Photocatalytic Degradation of Direct Blue-71
PAN-19: Plasmon-enhanced Solar Fuel Production with Gold-metal Oxide Hybrid Nanomaterials
PAN-21: Structural and Magnetic Properties of Nano Cobalt Ferrites for Green Refrigeration Technology
PAN-22: Structural and Optical Properties of Graphene-based Nano-architectures Decorated with (Ag, Cu) Metal Nanoparticles
PAN-23: Synthesis of Mesoporous TiO2 for Photo-anode in Dye-synthetized Solar Cell
PAN-24: Tape Casting and Flash Sintering of Nickel Oxide-Gadolinium Doped Ceria (NIO-GDC) Nanostructure Composite Anode for Solid Oxide Fuel Cells
Simulation of Bonded Magnet Performance for Renewable Energy Applications
Study of the Influence on the Thermodynamic Properties of Replacing V by Zr in Alloys for Hydrogen Storage
Technical and Environmental Assessment of an Alternative Binder for Low Traffic Roads with LCA Methodology
Thermal and Electrical Conductivities of Mesoporous Nanofluids and Applications for Enzyme Catalysis

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