Prof. Hong Yong Sohn

(Reading, Writing, Speaking)

United States Department of the Interior: The Use of Coal Wastes for the Production of Alumina, $120,614, Sep 30, 1979 to Sep 29, 1983.
United States Department of the Interior: Modeling of Solution Mining Systems for Deep Mineral Resources Recovery, $190,943, Sep 30, 1979 to Sep 29, 1982.
National Science Foundation / U.S.-Egypt Joint Science and Technology Board: A new Process for Converting SO2 to Sulfur without Generating Secondary Pollutants through Reactions with CaS/CaSO4 Pellets, $59,982, Sep 1, 2003 to Sep 1, 2005.
United States Department of Energy (DOE): Shale Oil From Oil Shale, $9,880, Sep 1976 to Feb 1977.
Chevron Research Grant: A Cooperative Research Effort to Investigate Thermally Controlled Oil Shale Retorting Processes, $25,065, Oct 29, 1981 to Dec 31, 1982.
U.S. Department of the Interior: Experimental Investigation and Mathematical Modeling of Flash Reaction Processes, $190,670, Oct 1, 1985 to Mar 31, 1990.
National Science Foundation (NSF): Treatment of Sulfide Ores with Steam to Produce Metal Oxides without Emitting Sulfur–Containing Pollutants, $61,200, Oct 1, 1975 to Mar 31, 1978.
United States Department of Energy (DOE): The Relationship between the Optical Activity and the Degree of Degradation of Shale Oil, $59,721, Mar 15, 1979 to Oct 15, 1981.
National Science Foundation (NSF): Chlorination of Titanium Minerals and Fractional Condensation, $10,600, Mar 1, 1984 to Feb 28, 1986.
United States Department of Energy (DOE): An Investigation of Factors Affecting the In–Situ Retorting of Oil Shale, $239,180, Mar 1, 1977 to Sep 30, 1980.
People's Committee of Lybia: Iron Oxide Reduction, $10,000, Jul 2, 1985 to Jun 30, 1989.
Company Name withheld: Chemical Vapor Synthesis of Intermetallic Compounds, $1,236,382, Jul 1, 2001 to Jun 30, 2003.
Kennecott Utah Copper Co.: FCF Boiler Accretion Buildup Investigation, $25,000, Jan 18, 2002 to Dec 31, 2002.
National Cold Fusion Institute: Alternative Materials for Cathode in an Electrochemical Cell for Cold Fusion, $26,238, Jan 1, 1990 to Dec 31, 1990.
Western Zirconium/State of Utah: A Study of Fluid–Bed Chlorination of Zirconium Sand, $64,268, Jan 1, 1989 to Dec 31, 1989.
United Nations (UN): Fellow Research Support, $9,000, Feb 22, 1984 to Feb 23, 1985.
United States Department of Energy (DOE): Titanium and Titanium Aluminide Powders by the Flash Reduction of Titanium Chloride Vapor or Titanium Chloride/Aluminum Chloride Vapor Mixture, $21,939, Aug 6, 1997 to Feb 15, 1998.
National Science Foundation (NSF): A Fundamental Study of Flash Smelting Processes, $213,485, Apr 15, 1982 to Dec 31, 1985.
United States Department of Energy (DOE): The Hybrid Retorting of Oil Shale and Coal To Produce Liquid Fuels, $9,920, Apr 1, 1981 to .
LS-Nikko: Cold Model Tests for Improved Design of Mitsubishi Furnace Lances, $220,000, 2007 to 2008.
China Yunnan Metallurgical Group: Polysilicon Refining, $21,750, 2007 to 2008.
Korea Institute of Geoscience and Mineral Resources: Scale-Up Process Simulation of Silica Nanopowder Production from Waste Silicon Sludge, $200,000, 2006 to 2010.
LS-Nikko: Cold Model Tests for Improved Design of Mitsubishi Furnace Lances, $220,000, 2006 to 2008.
U.S.-Egypt Joint Science and Technology Board/NSF: Metallic Iron Whiskers Growth During the Reduction of Iron Oxide, $57,000, 2005 to 2007.
U.S. Department of Energy: Novel Nanocrystalline Intermetallic Coatings for Metal Alloys in Coal-Fired Environments, $226,903, 2005 to 2008.
American Iron & Steel Institute / U.S. Department of Energy: Suspension Hydrogen Reduction of Iron Oxide Concentrate, $489,051, 2005 to 2007.
U.S. Department of Energy: Chemical Vapor Synthesis of Nanocrystalline Binary and Complex Metal Hydrides for Reversible Hydrogen Storage, $810,438, 2005 to 2010.
United States Department of Energy (DOE): Development of bulk, Nanocrystalline Cemented Tungsten Carbide for Industrial Applications, $1,962,814, 2004 to 2007.
Korea Institute of Geoscience and Mineral Resources (KIGAM): Mathematical Modeling of Flame Reaction Process for the Synthesis of Silicon Compounds from Waste Silicon Sludge, $290,000, 2004 to 2010.
U.S. Civilian Research and Development Foundation: New Technology for treatment of molybdenum sulfide concentrates, $80,000, 2003 to 2005.
University of Utah Funding Incentive Seed Grant Committee: Chemical Vapor Synthesis of Nano-Sized Composite Powders for Hydrogen Storage, $28,000, 2003 to 2005.
University of Utah: Data Acquisition and Processing System, $18,900, 1982 to .
Camille and Henry Dreyfus Foundation: The Teacher–Scholar Grant, $35,000, 1977 to 1982.
University of Utah: Thermogravimetric Analysis Equipment, $14,400, 1976 to 1977.
State of Utah: The State of Utah Mineral Leasing Fund, $169,976, 1975 to 1997.
University of Utah: Faculty Research Grant, $31,541, 1974 to 1997.
Mass Transfer Rate Enhancement by Pressure Cycling Generated with Acoustic Waves, IBM, $261,939, 1991-1994
Pyrometallurgical Production of Intermetallic Compounds by Vapor-Phase Coreduction of Metal Chlorides, U.S. Department of the Interior, $210,096, 1990-1993
Measurement of Drop Size Distribution in Liquid-Liquid Emulsions Formed by High Velocity Gas Injection, U.S. Department of the Interior, $215,937, 1990-1993
Center of Excellence for Advanced Pyrometallurgical Technology, BP Minerals America/State of Utah, $350,480, 1988-1990
Chlorination of Titaniferous Mierals, Du Pont Co., $65,000, 1989-1993

• Y. J. Choi, J. Lu, H. Y. Sohn, and Z. Z. Fang (2008) Hydrogen Storage Properties of the Mg-Ti-H System Prepared by High-Energy-High-Pressure Reactive Milling, J. Power Sources, In Press
• T. Ryu, H. Y. Sohn, G. Han, Y.-U. Kim, K. S. Hwang, M. Mena, and Z. Z. Fang, (2008) Nanograined WC-Co Composite Powder by Chemical Vapor Synthesis, Metall. Mater. Trans. B, 39B, 1-6
• Xu Wang, Z. Z. Fang, and H. Y. Sohn (2008) Grain Growth during the Early Stage of Sintering of Nanosized WC-Co Powder, Int. J. Refractory Metals and Hard Materials, 26, 232-241
• Peng Fan, Oladapo O. Eso, Z. Z. Fang, and H.Y. Sohn (2008) Effect of WC Particle Size on Co Distribution in Liquid-Phase Sintered Functionally Graded WC-Co Composite, Int. J. Refractory Metals and Hard Materials, 26, 98-105
• E. Blanco, H. Y. Sohn, G. Han, and K. Y. Hakobyan (2007) The Kinetics of Oxidation of Molybdenite Concentrate by Water Vapor, Metall. Mater. Trans. B, 38B, 689-693
• K.Y. Hakobyan, H.Y. Sohn, A.K. Hakobyan, V.A. Bryukvin, V.G. Leontiev, and O.I. Tsibin (2007) The Oxidation of Molybdenum Sulfide Concentrate with Water Vapor: Part I. Thermodynamic Aspects, Mineral Processing and Extractive Metallurgy (TIMM C), 116, 152-154
• K.Y. Hakobyan, H.Y. Sohn, A.K. Hakobyan, V.A. Bryukvin, V.G. Leontiev, and O.I. Tsibin (2007) The Oxidation of Molybdenum Sulfide Concentrate with Water Vapor: Part II. Macrokinetics and Mechanism, Mineral Processing and Extractive Metallurgy (TIMM C), 116, 155-158
• T. Ryu, M. Mena, H. Y. Sohn, G. Han, and Z. Z. Fang (2007) Nano-Grained WC-Co Composite Powders by the Chemical Vapor Synthesis, Advanced Metallic Composites and Alloys for High Performance Applications, Collected Proceedings: Emerging Materials, The Minerals, Metals & Materials Society, 73-82
• Jin Won Choi, H. Y. Sohn, Young Joon Choi, Jun Lu, Gilsoo Han, and Z. Z. Fang (2007) Aluminum Nanopowder as a Precursor of Hydrogen Storage Materials, 8th Global Innovations Symposium: Metal Powders for Energy Production and Storage Applications, Collected Proceedings: Emerging Materials, The Minerals, Metals & Materials Society, 1-8
• M. E. Choi, H. Y. Sohn, Y. M. Z. Ahmed, F. M. Mohamed, G. Han, and M. E. H. Shalabi (2007) Effect of CaSO4 Pelletization Conditions on a Novel Process for Converting SO2 to Elemental Sulfur by Reaction Cycles involving CaSO4/CaS: Part I. CaSO4 Pellet Strength and Reducibility by Hydrogen, Chem. Eng. Technol., 30, 628-634
• M. E. Choi, H. Y. Sohn, Y. M. Z. Ahmed, F. M. Mohamed, G. Han, and M. E. H. Shalabi (2007) Effect of CaSO4 Pelletization Conditions on a Novel Process for Converting SO2 to Elemental Sulfur by Reaction Cycles involving CaSO4/CaS: Part II. Reduction of SO2 with CaS, Chem. Eng. Technol., 30, 951-954
• Manuel Pérez-Tello, Irma María Madrid-Ortega, and H. Y. Sohn (2008) Model for the Fragmentation of Copper Matte Particles during Flash Converting, Minerals and Metallurgical Processing, 25 (1), 53-60
• H. Y. Sohn, T. Ryu, Jin Won Choi, Kyu Sup Hwang, G. Han, Young Joon Choi, and Z. Z. Fang (2007) The Chemical Vapor Synthesis of Inorganic Nanopowders, JOM, 59 (12), 44-49
• Y. Ji, H. Y. Sohn, H. D. Jang, B. Wan, and T. A. Ring (2007) Computational Fluid Dynamic Modeling of Flame Reaction Process for Silica Nanopowder Synthesis from Tetraethylorthosilicate (TEOS), J. Amer. Ceram. Soc., 90, 3838-3845
• Jun Lu, Z. Z. Fang, H. Y. Sohn, Robert C. Bowman Jr., and Son-Jong Hwang (2007) "Potential and Reaction Mechanism of Li-Mg-Al-N-H System for Reversible Hydrogen Storage", J. Phys. Chem. C, 111, 16686-16692
• Jun Lu, Z. Z. Fang, Y. J. Choi, and H. Y. Sohn (2007) "Potential of Binary Lithium Magnesium Nitride for Hydrogen Storage Applications", J. Phys. Chem. C, 111, 12129-12134
• Jun Lu, Z. Z. Fang and H. Y. Sohn (2007) "A Hybrid Method for Hydrogen Storage and Generation from Water", J. Power Sources, 172, 853-858
• H. Y. Sohn (2007) "Suspension Ironmaking Technology with Greatly Reduced Energy Requirement and CO2 Emissions", Steel Times International, May/June, 68-72
• H. Y. Sohn (2006) Overall Rate Analysis of the Gaseous Reduction of Stable Oxides Incorporating Chemical Kinetics, Mass Transfer and Chemical Equilibrium, J. Amer. Ceram. Soc., 89 (3), 1006-1013
• H. Y. Sohn, M. Savic, R. Padilla, and G. Han (2006) A Novel Reaction System Involving BaS and BaSO4 for Converting SO2 to Elemental Sulfur without Generating Pollutants: Part I. Feasibility and Kinetics of SO2 Reduction with BaS, Chem. Eng. Sci., 61, 5082-87
• H. Y. Sohn, M. Savic, R. Padilla, and G. Han (2006) A Novel Reaction System Involving BaS and BaSO4 for Converting SO2 to Elemental Sulfur without Generating Pollutants: Part II. Kinetics of the Hydrogen Reduction of BaSO4 to BaS, Chem. Eng. Sci., 61, 5088-93
• B. Wan, Y. Ji, H. Y. Sohn, H. D. Jang, and T. A. Ring (2006) CFD Simulation of Flame Spray Process for Silica Nanopowder Synthesis from Tetraethylorthosilicate (TEOS), Sohn International Symposium Advanced Processing of Metals and Materials Vol. 3 - Thermo and Physicochemical Principles: Special Materials and Aqueous and Electrochemical Processing, The Minerals, Metals & Materials Society, 183-194
• Moo Eob Choi, H. Y. Sohn, and Gilsoo Han (2006) The Kinetics of Hydrogen Reduction of Fine Iron Oxide Particles, Sohn International Symposium Advanced Processing of Metals and Materials Vol. 2 - Thermo and Physicochemical Principles: Iron and Steel Making, The Minerals, Metals & Materials Society, 105-110
• Kliment Y. Hakobyan, H. Y. Sohn, Andrey V. Tarasov, Pavel A. Kovgan, Armen K. Hakobyan, Vladimir A. Briovkvine, Vladimir G. Leontiev, and Oleg I. Tsybine (2006) New Technology for the Treatment of Molybdenum Sulfide Concentrates, Sohn International Symposium Advanced Processing of Metals and Materials Vol. 4 - New, Improved and Existing Technologies: Non-Ferrous Materials Extraction and Processing, The Minerals, Metals & Materials Society, 203-216
• Edgar Blanco, H. Y. Sohn, Gilsoo Han, and Kliment Y. Hakobyan (2006) Oxidation of Molybdenite by Water Vapor, Sohn International Symposium Advanced Processing of Metals and Materials Vol. 1 - Thermo and Physicochemical Principles: Non-Ferrous High-Temperature Processing, The Minerals, Metals & Materials Society, 167-172
• M. Mena, T. Ryu, H. Y. Sohn, G. Han, Y.-U. Kim, and Z. Z. Fang (2006) Chemical Vapor Synthesis of WC-Co Nnanocomposite Powders, Sohn International Symposium Advanced Processing of Metals and Materials Vol. 3 - Thermo and Physicochemical Principles: Special Materials and Aqueous and Electrochemical Processing, The Minerals, Metals & Materials Society, 195-202
• Peng Fan, Oladapo O. Eso, Z. Z. Fang, and H. Y. Sohn (2006) Liquid Phase Migration during the Sintering of Functionally Graded WC-Co, Sohn International Symposium Advanced Processing of Metals and Materials Vol. 3 - Thermo and Physicochemical Principles: Special Materials and Aqueous and Electrochemical Processing, The Minerals, Metals & Materials Society, 111-119
• Manuel Pérez-Tello, Irma María Madrid-Ortega, and H. Y. Sohn (2006) Mathematical Model for the Fragmentation of Copper Matte Particles Oxidized under Flash Converting Conditions, Sohn International Symposium Advanced Processing of Metals and Materials Vol. 8 - International Symposium on Sulfide Smelting 2006, The Minerals, Metals & Materials Society, 577-590
• Jun Lu, Z. Z. Fang, and H. Y. Sohn (2006) A Dehydrogenation Mechanism of Metal Hydrides Based on Interactions between Hd+ and H-, Inorganic Chemistry, 45, 8749-8754
• H. Y. Sohn (2006) Fundamentals of Rate Processes in the Gaseous Reduction of Iron Oxide, Proceedings of the 4th International Congress of the Science and Technology of Ironmaking (ICSTI 2006), November 26 - 30, 2006, Osaka, Japan, pub by ISIJ, 295-302
• Jun Lu, Z. Z. Fang and H. Y. Sohn (2006) "A New Li-Al-N-H System for Reversible Hydrogen Storage", J. Phys. Chem. B, 110, 14236-39
• B. Wan, Y. Ji, H. Y. Sohn, H. D. Jang, and T. A. Ring (2006) CFD Simulation of Flame Spray Process for Silica Nanopowder Synthesis from Tetraethylorthosilicate (TEOS), The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• Jin Won Choi, Hong Yong Sohn, Young Joon Choi, Gilsoo Han, and Zhigang Zak Fang (2006) Chemical Vapor Synthesis and Characterization of Aluminum Nanopowder as a Precursor of Hydrogen Storage Materials, The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• Moo Eob Choi, H. Y. Sohn, and Gilsoo Han (2006) The Kinetics of Hydrogen Reduction of Fine Iron Oxide Particles, The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• K. Y. Hakobyan, H. Y. Sohn, A. V. Tarasov, P. A. Kovgan, A. K. Hakobyan, V.A. Briovkvine, V. G. Leontiev, and O. I. Tsybine (2006) New Technology for the Treatment of Molybdenum Sulfide Concentrates, The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• E. Blanco, H. Y. Sohn, G. Han, and K.Y. Hakobyan (2006) Oxidation of Molybdenite by Water Vapor, The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• Moo Eob Choi, H. Y. Sohn, Y. M. Z. Ahmed, F. M. Mohamed, Gilsoo Han, and M. E. H. Shalabi (2006) Effect of CaSO4 Pelletization Conditions on Pellet Strength and Reactivity for Converting SO2 to Elemental Sulfur by Reaction Cycles involving CaSO4/CaS, The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• M. Mena, T. Ryu, H. Y. Sohn, G. Han, Y.-U. Kim and Z. Z.Fang (2006) Chemical Vapor Synthesis of WC-Co Nnanocomposite Powder, The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• P. Fan, O. O. Eso, Z. Z. Fang, and H. Y. Sohn (2006) Liquid Phase Migration during the Sintering of Functionally Graded WC-Co, The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• M. Pérez-Tello, I. M. Madrid-Ortega and H. Y. Sohn (2006) Mathematical Model for the Fragmentation of Copper Matte Particles Oxidized under Flash Converting Conditions, The Sohn International Symposium, Warrendale, Pennsylvania, TMS, In Press
• P. Maheshwari, X. Wang, Z. Zak Fang, and H. Y. Sohn (2005) Effect of Particle Size on Sintering of WC-Co Powders, TMS Letters
• X. Wang, Z. Zak Fang, and H. Y. Sohn (2005) Grain Growth during the Sintering of Monolithic Nanosized Tungsten Carbide, TMS Letters
• M. Tanahashi, T. Fujinaga, Z. Su, K. Takeda, H. Y. Sohn, and C. Yamauchi (2005) Effects of Coexisting Oxygen and Antimony in Molten Copper on Rate of Arsenic Elimination from the Copper Phase by the Use of Na2CO3 Slag, Materials Transactions, 46, 2180-2189
• H. Y. Sohn (2005) Discussion of `The Influence of Chemical Equilibrium on Fluid-Solid Reaction Rates and the Falsification of Activation Energy', Metall. Mater. Trans. B, 36B (6), 897-901
• H. Y. Sohn, Seongwon Kang, and Jongshin Chang (2005) Feature Article: Sulfide Smelting Fundamentals, Technologies and Innovations, Minerals and Metallurgical Processing, 22 (2), 65-76
• Z. Fang, P. Maheshwari, X. Wang, H.Y. Sohn, A. Griffo, and R. Riley (2005) An Experimental Study of Sintering of Nanocrystalline WC-Co Powders, Int. J. Refractory Metals and Hard Materials, 23, 249-257
• S. Sridhar and H. Y. Sohn (2005) Chapter 7. The Kinetics of Metallurgical Reactions, Fundamentals of Metallurgy, Cambridge, UK, Woodhead Publishing, 270-349 pages (bookchapter)
• H. Y. Sohn and S. Sridhar (2005) Chapter 1. Descriptions of High-Temperature Metallurgical Processes, Fundamentals of Metallurgy, Cambridge, UK, Woodhead Publishing, 3-37 pages (bookchapter)
• H. Y. Sohn, Z. Zhang, S. Deevi, and S. PalDey, Chemical Vapor Synthesis of Ultrafine Fe-Co Powder, High Temperature Materials and Processes, 23, 329-333, 2004
• H. Y. Sohn, The Influence of Chemical Equilibrium on Fluid-Solid Reaction Rates and the Falsification of Activation Energy, Metall. Mater. Trans. B, 35B, 121-131, 2004
• H. Y. Sohn, Thermodynamics of a New Cyclic Reaction System Involving BaS and BaSO4 for Converting Sulfur Dioxide to Elemental Sulfur, Ind. Eng. Chem. Res., 42, 5946-5948, 2003
• Gilsoo Han and H. Y. Sohn (2005) Kinetics of the Hydrogen Reduction of Silica Incorporating the Effect of Gas-Volume Change upon Reaction, Journal of the American Ceram. Society, 88, 882-888
• Joon-Soo Kim, Sung-Don Kim, Hyung-Kyu Park, and H. Y. Sohn (2004) "Upgrading of TiO2 by Carbon Reduction of Ilmenite", J. Korean Inst. Resources Recycling, 13 (5), 17-22
• M. Tanahashi, Takeru Fujinaga, Zhijian Su, Kunihiko Takeda, H. Y. Sohn, and C. Yamauchi (2004) "The Rate of Arsenic and Antimony Elimination from Molten Copper by the Use of Na2CO3 Slag", J. Japan Inst. Metals, 68 (6), 381-389
• Gilsoo Han and H. Y. Sohn (2004) Interphase Mass Transfer with Bulk Flow Normal to the Phase Boundary, Korean J. Chem. Eng., 21, 34-40
• Ho-Sang Sohn, Yasuhiro Fukunaka, Toshio Oishi, Z. Asaki, and H. Y. Sohn (2004) Kinetics of As, Sb, Bi and Pb Volatilization from Industrial Copper Matte during Ar + O2 Bubbling, Metall. Mater. Trans. B, 35B, 651-661
• H. Y. Sohn (2004) "The Influence of Chemical Equilibrium on Fluid-Solid Reaction Rates and the Falsification of Activation Energy", Metall. Mater. Trans. B, 35B, 121-131
• H. Y. Sohn (2004) The Effects of Reactant Starvation and Mass Transfer in the Rate Measurement of Fluid-Solid Reactions with Small Equilibrium Constants, Chem. Eng. Sci., 59, 4361-4368
• Byung-Su Kim, Jae-Chun Lee, Seung-Pil Seo, Young-Koo Park, and Hong Yong Sohn (2004) A Process for Extracting Precious Metals from Spent Printed Circuit Boards and Automobile Catalysts, JOM, 56 (12), 55-58
• Lan Hong, H. Y. Sohn, and Masamichi Sano, Kinetics of Carbothermic Reduction of Magnesia and Zinc Oxide by Thermogravimetric Analysis Technique, Scandinavian Journal of Metallurgy, 32, 171-176, 2003
• H. Y. Sohn, Chemical Reaction Engineering in the Chemical Processing of Metals and Inorganic Materials: Part I. Advances in Fluid-Solid Reaction Analysis and Part II. Chemical Process Modeling and Simulation, Korean J. Chem. Eng., 20, 185-199; 415-428, 2003
• R. Padilla, E. Olivares, M.C. Ruiz and H.Y. Sohn, Kinetics of the Sulfidation of Chalcopyrite with Gaseous Sulfur, Metallurgical and Materials Transactions B, 34 B, 61-68, 2003
• F. Kongoli, K. Itagaki, C. Yamauchi, and H. Y. Sohn, Metallurgical and Materials Processing: Principles and Technologies, 3 vols, TMS, Warrendale, Pennsylvania, 2003
• M. Tanahashi, Zhijian Su, Kunihiko Takeda, H. Y. Sohn, and C. Yamauchi, The Rate of Antimony Elimination from Molten Copper by the Use of Na2CO3 Slag, Metall. Mater. Trans. B, 34B, 869-879, 2003
• P. Fan, M. M. Mena, Z. Zak Fang, and H. Y. Sohn (2003) "Synthesis of Nanocrystalline Composite and Alloy Powders", Nanotechnology & PM2: Scientific Challenges & Commercial Opportunities, Princeton, New Jersey, Metal Powder Industries Federation, 30-38 pages
• H. Hashimoto, M. Tanahashi, H. Y. Sohn, C. Yamauchi, and K. Takeda (2003) "A Counter-Flow Batch Process for Refining Copper Using Sodium Carbonate Slag", Yazawa International Symposium on Metallurgical and Materials Processing: Principles and Technologies, Vol. 1: Materials Processing Fundamentals and New Technologies, Warrendale, Pennsylvania, TMS, 245-255 pages
• H. Y. Sohn (2003) "Thermodynamics and Fluid-Solid Reaction Kinetics: Effects on the Rate and Activation Energy", Yazawa International Symposium on Metallurgical and Materials Processing: Principles and Technologies, Vol. 1: Materials Processing Fundamentals and New Technologies, Warrendale, Pennsylvania, TMS, 51-62 pages
• H. Y. Sohn and B.-S. Kim, Cyclic Reaction Involving CaS and CaSO4 for Converting Sulfur Dioxide to Elemental Sulfur without Generating Secondary Pollutants: 1. Process Feasibility, 2. Reduction of Sulfur Dioxide by Calcium Sulfide, Industrial & Engineering Chemistry Research, 41, 3081-3086; 3087-3091, 2002
• D. H. Han and H. Y. Sohn, Calcined Calcium Magnesium Acetate (CMA) as a High-Capacity Sulfur Dioxide Absorbent: I. Decomposition of CMA, II. Sulfation Kinetics of CaO, III. MgO Sulfation Kinetics and the Overall Sulfation Rate, AIChE Journal, 48, 2971-91, 2002
• R. L. Stephens and H. Y. Sohn, eds., Sulfide Smelting 2002, TMS, Warrendale, Pennsylvania, 2002
• B. G. Rhee and H. Y. Sohn (2002) "Metal Alloy Coatings: Physical, Wear-Related, and Other Surface Characteristics", High Temperature Materials and Processes, 21, 217-227
• R. D. Hagni, H. Y. Sohn, and M. K. Kojo (2002) "Reflected Light Microscopic Study of the Mineralogy and Textures of Experimental Nickel Concentrate Reactions with Slag", Minerals and Metallurgical Processing, 19 (1), 31-36
• K. Itagaki, H. Y. Sohn, and M. Perez-Tello (2002) "Basic Principles of Sulfide Smelting and Converting with Oxygen-Rich Gas", Sulfide Smelting 2002, Warrendale, Pennsylvania, TMS, 15-40 pages
• M. Perez-Tello, H. Y. Sohn, et al., Experimental Investigation and 3-D Computational Fluid Dynamics Modeling of the Flash Converting Furnace Shaft; I. Experimental Observation; II. Formulation of 3-D Computational Fluid Dynamics Model, Metallurgical and Materials Transactions B, 32B, 847-868; 869-886, 2001
• H. Y. Sohn (2001) "Hydrometallurgical Principles", Encyclopedia of Materials: Science and Technology, Elsevier Science, 3976-3982 pages (bookchapter)
• H. Y. Sohn (2001) "Nonferrous Metals: Production and History", Encyclopedia of Materials: Science and Technology, Elsevier Science, 6191-6197 pages (bookchapter)
• M. Tanahashi, Ch. Yamauchi, and H. Y. Sohn (2001) "Application of the SOHNEX Process to the Purification of Copper by the Use of Sodium Carbonate Slag", 2001 Spring Meeting of MMIJ, Tokyo, Japan, 59-60 pages
• H. Y. Sohn, Nonferrous Metals Production - Advances in Process Technology and Environmental Protection, Second International Conference on Processing Materials for Properties, TMS, Warrendale, Pennsylvania, 3-12, 2000
• R. R. Fernández, H. Y. Sohn, and K. M. LeVier, Process for Treating Refractory Gold Ores by Roasting under Oxidizing Conditions, Minerals and Metallurgical Processing, 17, 1-15, 2000
• Y. S. Park, H. Y. Sohn, and D. P. Butt, Thermal Removal of Gallium from Gallia-Doped Ceria, J. Nuclear Mater., 280, 285-294, 2000
• M. Nagamori and H. Y. Sohn (2000) "Dissolution of Lead and Bismuth in White Metal (CuS0.5) at Matte Smelting Temperatures", Metall. Mater. Trans. B, 31B, 543-546
• H. Y. Sohn and L. Zhou, The Chlorination Kinetics of Beneficiated Ilmenite Particles by CO+Cl2 Mixtures, Chem. Eng. J., 72, 37–42, 1999
• M. Perez-Tello, H. Y. Sohn, and J. Löttiger (1999) "Determination of the Oxidation Characteristics of Solid Copper Matte Particles by Differential Scanning Calorimetry and Thermogravimetric Analysis", Minerals and Metallurgical Processing, 16 (2), 1-7
• M. Perez-Tello, H. Y. Sohn, and R. K. Rajamani (1999) "The Effect of Bulk Concentration Gradient on Fluid-Solid Reaction Rate", Chem. Eng. Sci., 54, 803-806
• H.Y. Sohn, Ti and TiAl powders by the flash reduction of chloride vapors, JOM, 50(9), 50-51, September 1998
• H.Y. Sohn and D. Doungdeethaveeratana, A novel solvent extraction process with bottom gas injection without moving parts, Separation and Purification Technology, 13, 227-235, 1998
• H.Y. Sohn and S. PalDey, Synthesis of Ultrafine Particles of Intermetallic Compounds by the Vapor-Phase Magnesium Reduction of Cloride Mixtures: Parts I and II, Metallurgical and Materials Transactions B, 29B, 457-469, 1998
• H. Y. Sohn and S. PalDey, Synthesis of Ultrafine Nickel Aluminide Particles by the Hydrogen Reduction of Vapor-Phase Mixtures of NiCl2 and AlCl3, Journal of Materials Research, 13, 3060-3069, 1998
• H. Y. Sohn and S. PalDey, Synthesis of Ultrafine Particles and Thin Films of Ni4Mo by the Vapor-Phase Hydrogen Coreduction of the Constituent Metal Chlorides, Materials Science and Engineering A, 247, 165-172, 1998
• H. G. Kim and H. Y. Sohn, Effects of CaO, Al2O3 and MgO Additions on the Copper Solubility, Ferric/Ferrous Ratio and Minor-Element Behavior of Iron-Silicate Slags, Metallurgical and Materials Transactions B, 29B, 583-590, 1998
• W. D. Cho and H. Y. Sohn, eds., Value-Addition Metallurgy, TMS, Warrendale, Pennsylvania, 1998
• H. G. Kim and H. Y. Sohn, Minor–Element Behaviour in Copper Smelting and Converting with the Use of Tonnage Oxygen, Trans. Inst. Mining Metall. Sec. C, 107, C43–C59, 1998
• H. Y. Sohn and L. Zhou (1998) "The Kinetics of Carbochlorination of Titania Slag", Can. J. Chem. Eng., 76, 1078-1082
• H. Y. Sohn, L. Zhou, and K. Cho (1998) "Intrinsic Kinetics and Mechanism of Rutile Chlorination by CO + Cl2 Mixtures", Ind. Eng. Chem. Research, 37, 3800-3805
• D. Doungdeethaveeratana and H. Y. Sohn (1998) "Solvent Extraction Equilibria in the CuSO4-H2SO4-H2O-LIX 860-Kerosene System", Minerals Eng., 11, 821-826
• D. Doungdeethaveeratana and H. Y. Sohn (1998) "The Kinetics of Extraction in a Novel Solvent Extraction Process with Bottom Gas Injection without Moving Parts", Hydrometallurgy, 49, 229-254
• H. Y. Sohn (1998) "Whither Technological Innovation and Manpower Training in Primary Metals Industry?", JOM, 50 (7), 13
• H. Y. Sohn and W. D. Cho (1998) "1998 Extraction and Processing Review: Developments in Physical Chemistry and Basic Principles", JOM, 50 (4), 48-54
• H. Y. Sohn and V. Ramachandran (1998) "Advances in Sulfide Smelting -- Technology, R&D, and Education", Sulfide Smelting '98, Current and Future Practices, Warrendale, Pennsylvania, TMS, 3-37 pages
• K. M. Riihilahti, H. Y. Sohn, M. Perez-Tello, and A. Jokilaakso (1998) "The Oxidation Behavior of 58 and 72% Copper Mattes in a Simulated Flash Converting Furnace", Sulfide Smelting '98: Current and Future Practices, Warrendale, Pennsylvania, TMS, 261-273 pages
• H. Y. Sohn, Developments in Gas-Solid Reaction Analysis, The Julian Szekely Memorial Symposium on Materials Processing, edited by H. Y. Sohn, et al., TMS, Warrendale, Pennsylvania, 35-65, 1997
• H. Y. Sohn and W. D. Cho, 1997 Review of Extraction and Processing: Developments in Physical Chemistry and Basic Principles, JOM, 49(4), 40-45, 1997
• H. Y. Sohn, R & D in the Metallurgical Industry toward the 21st Century, JOM, 49(4), 33-37, 1997
• X. Xiao, D. Sichen, H. Y. Sohn, and S. Seetharaman, Determination of Kinetics Parameters Using Differential Thermal Analysis–Application to the Decomposition of CaCO3, Metall. Mater. Trans. B, 28B, 1157–1164, 1997
• I. Arvanitidis, D. Sichen, H. Y. Sohn, and S. Seetharaman, The Intrinsic Thermal Decomposition Kinetics of SrCO3 by a Nonisothermal Technique, Metall. Mater. Trans. B, 28B, 1063–1068, 1997
• R. Padilla, M. C. Ruiz, and H. Y. Sohn (1997) "Reduction of Molybdenite with Carbon in the Presence of Lime", Metall. Mater. Trans. B, 28B, 265-274
• H. G. Kim and H. Y. Sohn (1997) "Minor-Element Behavior and Iron Partition during the Cleaning of Copper Converter Slag under Reducing Conditions", Can. Metall. Quart., 36, 31-37
• M. S. Lee and H. Y. Sohn, Dispersed–Phase Holdup in Liquid–Liquid Emulsions Generated by High–Strength Bottom Gas Injection, Metall. Mater. Trans. B, 27B, 213–219, 1996
• L. Zhou and H. Y. Sohn, Mathematical Modeling of Fluidized Bed Chlorination of Rutile, AIChEJ., 42, 3102–3112, 1996
• H. G. Kim and H. Y. Sohn, Thermodynamic Modelling of Minor–Element Behavior in In–Bath Copper Smelting and Converting with Calcium Ferrite Slag, Trans. Inst. Mining Metall. Sec. C, 105, C151–C163, 1996
• M. S. Lee, E. C, Lee, and H. Y. Sohn (1996) "Development and Verification of a New Thermodynamic Model for Solvent Extraction of Metal Ions Based on the K-Value Method", J. Chem. Eng. Japan, 29, 781-793
• H. Y. Sohn and X. Wang (1996) "Mathematical and Experimental Investigation of the Self-Propagating High-Temperature Synthesis (SHS) of TiAl3 and Ni3Al Intermetallic Compounds", J. Mater. Sci., 31, 3281-3288
• L. Zhou, H. Y. Sohn, G. K. Whiting, and K. J. Leary (1996) "Microstructural Changes in Several Titaniferous Materials during Chlorination Reaction", Ind. Eng. Chem. Res., 35, 954-962
• Y. Yasuda and H. Y. Sohn, Experimental and Theoretical Study of Particle Dispersion Phenomena in a Turbulent Gas Jet of the Flash–Smelting Process by the Image Analysis Technique, Metall. Mater. Trans. B, 26B, 637–646, 1995
• A. Zaidi and H. Y. Sohn, Measurement and Correlation of Drop–Size Distribution in Liquid–Liquid Emulsions Formed by High–Velocity Bottom Gas Injection, ISIJ International, 35, 234–241, 1995
• C.-W. Ahn, O.-C. Kwon, K. Cho, H. Y. Sohn, and H.-B. Lee (1995) "Phase Characterization and Burning Rate in the Self-Propagating High-Temperature Synthesis of Titanium Borides", J. Mater. Res., 10, 3179-3184
• B. S. Kang, C. W. Won, B. S. Chun, and H. Y. Sohn (1995) "Preparation of Nickel-Coated Alumina Composite Powder by an Aqueous-Phase Reduction Process", J. Materials Sci., 30, 3883-3887
• S. G. Ko, C. W. Won, B. S. Chun, and H. Y. Sohn (1995) "The Self-Propagating High-Temperature Synthesis (SHS) of Ultrafine High-Purity TiC Powder from TiO2+Mg+C", J. Materials Sci., 30, 2835-2837
• S. G. Ko, C. W. Won, B. S. Chun, and H. Y. Sohn (1995) "Magnesium Reduction of WO3 in a Self-Propagating High-Temperature Synthesis (SHS) Process", J. Mater. Res., 10, 795-797
• N. Chakraborti, H. Y. Sohn, D. H. Loveless, and K. M. Iyer (1995) "Emulsions in Metallurgical and Chemical Processes", Mineral Processing and Extractive Metallurgy Review, 12, 271-290
• M. K. Kojo and H. Y. Sohn (1995) "The Characteristics of Interaction between Nickel Concentrate and Various FeO-Fe2O3-SiO2-MgO Slags", EPD Congress 1995, Warrendale, Pennsylvania, TMS, 259-268 pages
• K. M. Iyer and H. Y. Sohn, Physical and Mathematical Modeling of Pyrometallurgical Channel Reactors with Bottom Gas Injection: Residence Time Distribution Analysis and Ideal-Reactor-Network Model, Metallurgical and Materials Transactions B, 25B, 207-219, 1994
• H. Y. Sohn and X. Wang, Self–Propagating High–Temperature Synthesis (SHS) of Intermetallic Compounds Titanium and Nickel Aluminides, Materials and Manufacturing Processes, 2, 75–87, 1994
• X. Wang, H. Y. Sohn, and M. E. Schlesinger (1994) "Determination of the Kinetics of TiAl3 Formation from Fine Ti and Al Particles Using Differential Scanning Calorimetry", Materials Sci. Eng. A, A186, 151-155
• H. Y. Sohn (1994) "Beyond the Peirce-Smith Converter: Recent Advances in Sulfide Smelting Processes", JOM, 46 (8), 50
• H. Y. Sohn (1994) Metallurgical Processes for the Early Twenty-First Century: Vol. I. Basic Principles and Vol. II. Technology and Practice, Warrendale, Pennsylvania, TMS-AIME
• C. W. Won, B. S. Chun, and H. Y. Sohn, Preparation of Ultrafine Tungsten Carbide Powder by CVD Method from WCl6-C2H2-H2 Mixtures, Journal of Materials Research, 8, 2702-2708, 1993
• E. G. Eddings and H. Y. Sohn, Simplified Treatment of the Rates of Gas–Solid Reactions Involving Multicomponent Diffusion, Ind. Eng. Chem. Res., 32, 42–48, 1993
• J.-W. Lee, C.-W. Won, B. S. Chun, and H. Y. Sohn (1993) "Dip Coating of Alumina Films by the Sol-Gel Method", J. Materials Research, 8, 3151-3157
• H. Y. Sohn and P. C. Chaubal (1993) "The Ignition and Combustion of Chalcopyrite Concentrate Particles under Suspension-Smelting Conditions", Metall. Trans. B, 24B, 975-985
• C. W. Won, Y. Kang, H. Y. Sohn, and B. S. Chun (1993) "Recovery of Copper from Alpha-Etchant Solution by Electrowinning and Cementation", Metall. Trans. B, 24B, 192-197
• H. G. Kim and H. Y. Sohn (1993) "Effects of Slag Composition on the Copper Solubility in Slag and the Behavior of Minor Elements", First International Conference on Processing Materials for Properties, Warrendale, Pennsylvania, TMS, 365-368 pages
• H. Y. Sohn and M. B. Aboukheshem, Gas-Solid Reaction-Rate Enhancement by Pressure Cycling, Metallurgical Transactions B, 23B, 285-294, 1992
• B. C. Paul, H. Y. Sohn, and M. K. McCarter, Model for Ferric Sulfate Leaching of Copper Ores Containing a Variety of Sulfide Minerals, Metall. Trans. B, 23B, 537–555, 1992
• H. Yu, J. S. Kim, K.-I. Rhee, J.-C. Lee, and H. Y. Sohn (1992) "Production of Ultrapure Tungsten by Solvent Extraction with D2EHPA/TOPO Mixture and Electron-Beam Zone Refining", Int. J. Refractory Metals and Hard Materials, 11, 317-324
• H. Y. Sohn and P. C. Chaubal (1992) Chapter 1. "Heat and Mass Transfer in Fluid-Solid Reactions and Reactors", Advances in Transport Processes in Metallurgical Systems, Amsterdam, The Netherlands, Elsevier, 1-52 pages (bookchapter)
• H. Y. Sohn, D. G. C. Robertson, A. K. Agrawal, and K. M. Iyer (1992) "Fluid Flow and Mixing in Two-Phase Channel Reactors with Bottom Gas Injection", Savard/Lee International Symposium on Bath Smelting, Warrendale, Pennsylvania, TMS, 377-412 pages
• H. Y. Sohn, The 1990 Extractive Metallurgy Lecture of TMS-AIME: The Coming-of-Age of Process Engineering in Extractive Metallurgy, Metallurgical Transactions B, 22B, 737-754, 1991
• K. W. Seo and H. Y. Sohn, Mathematical Modeling of Sulfide Flash Smelting Process: Part III. Volatilization of Minor Elements, Metall. Trans. B, 22B, 791–799, 1991
• B. S. Chun, C. W. Won, and H. Y. Sohn (1991) "Chemical Vapor Deposition Kinetics of Tungsten from WCl6 onto Nickel Plate at Elevated Temperatures", Metall. Trans. B, 22B, 560-563
• H. G. Kim and H. Y. Sohn (1991) "Computer Analysis of Minor Element Behavior in Copper Smelting and Converting Under High Oxygen Enrichment, and in Converting with Calcium Ferrite Slag", Pyrometallurgy of Copper, New York, Pergamon Press, 617-636 pages
• H. G. Kim and H. Y. Sohn (1991) "Prediction of Minor-Element Behavior in Copper Smelting and Converting with Submerged Oxygen Injection", EPD Congress '91, TMS-AIME, 437-467 pages
• Y. B. Hahn and H. Y. Sohn, Mathematical Modeling of Sulfide Flash Smelting Process: I. Model Development and Verification; II. Radiative Heat Transfer, Metallurgical Transactions B, 21B, 945-958; 959-966, 1990
• K. I. Rhee and H. Y. Sohn, The Selective Chlorination of Iron from Ilmenite Ore by CO–Cl2 Mixtures, Metall. Trans. B, 21B, 321–340, 1990
• K. I. Rhee and H. Y. Sohn, The Selective Carbochlorination of Iron from Titaniferous Magnetite Ore in a Fluidized Bed, Metall. Trans. B, 21B, 341–347, 1990
• H. Y. Sohn and D. R. Wall (1990) "Removal of Carbonaceous Residue with Wet Hydrogen in Greensheet Processing for Multilayer Ceramic Module: I&II.", J. Amer. Ceram. Soc., 73, 2944-2961
• H. Y. Sohn and H. K. Lin (1990) "Oxygen Pressure Leaching of Copper from Primary Chalcopyrite Ore Containing Pyrite under Simulated Solution-Mining Conditions", Minerals and Metallurgical Processing, 7, 163-168
• C. T. Lee, H. Y. Sohn, and Y. H. Ryoo (1990) "Titanium Production Technology", Chemical Industry and Technology (Korea), 8 (3), 261-273
• H. Y. Sohn and H. D. Baek, The Mixed–Control Kinetics of Ferric Chloride Leaching of Galena, Metall. Trans. B, 20B, 107–110, 1989
• H. Y. Sohn, K. Y. Park, K. I. Rhee, H. S. Yang, and H. Yu (1989) "TiO2 Production by the Chloride Process", Chemical Industry and Technology (Korea), 7 (3), 336-346
• C. T. Lee and H. Y. Sohn (1989) "Recovery of Synthetic Rutile and Iron Oxide from Ilmenite Ore by Sulfation with Ammonium Sulfate", Ind. Eng. Chem. Res., 28, 1802-1808
• S. Soepriyanto, F. A. Olson, and H. Y. Sohn (1989) "The Selective Oxidation of Mixed Metal Sulfides with Lime in the Presence of Steam without Emitting Sulfur-Containing Pollutants", Metall. Trans. B, 20B, 237-242
• P. C. Chaubal, H. Y. Sohn, D. B. George, and L. K. Bailey (1989) "Mathematical Modeling of Minor Element Behavior during Flash Smelting of Copper Concentrates and Flash Converting of Copper Mattes", Metall. Trans. B, 20B, 39-51
• H. Y. Sohn and D. R. Wall (1989) "Application of the Law of Additive Reaction Times to the Regeneration of Coked Catalyst Pellets", Chem. Eng. Sci., 44, 442-444
• D.G.C., Robertson, H.Y. Sohn, and N.J. Themelis, eds., Flash Reaction Processes, Proceedings of the 1988 Center for Pyrometallurgy Conference, Salt Lake City, 1988
• H. Y. Sohn and D. Kim, Kinetics of Oxidation of MoS2 by CaO in the Presence of Water Vapor, Metall. Trans. B, 19B, 973–975, 1988
• R. D. Hagni, C. B. Vierrether, and H. Y. Sohn (1988) "Process Mineralogy of Suspended Particles from a Simulated Commercial Flash Smelter", Metall. Trans. B, 19B, 719-729
• Y. B. Hahn and H. Y. Sohn (1988) "The Trajectories and Distribution of Particles in a Turbulent Axisymmetric Gas Jet Injected into the Flash Furnace Shaft", Metall. Trans. B, 19B, 871-884
• H. Y. Sohn and E. S. Geskin (1988) Metallurgical Processes for the Year 2000 and Beyond, Warrendale, Pennsylvania, TMS-AIME
• H. Y. Sohn and D. Kim, Kinetics of Zinc Oxide Formation from Zinc Sulfide by Reaction with Lime in the Presence of Water Vapor, Metall. Trans. B, 18B, 727–32, 1987
• H. K. Lin and H. Y. Sohn (1988) "Mixed-Control Kinetics of Oxygen Leaching of Chalcopyrite and Pyrite from Porous Primary Ore Fragments", Metall. Trans. B, 18B, 497-504
• Y. B. Hahn and H. Y. Sohn (1987) "Computation of the Flow Field in a Recirculating Turbulent Gas Jet", Chem. Eng. Commun., 61, 39-57
• D. Kim and H. Y. Sohn (1987) "Intrinsic Kinetics of the Reaction of Molybdenum Disulfide and Chalcopyrite with Water Vapor", Reactivity of Solids, 3, 273-78
• H. Y. Sohn and Y. N. Xia (1987) "Effect of Nonuniform Distribution of Solid Reactant on Fluid-Solid Reactions. 2. Porous Solids", Ind. Eng. Chem. Res., 26, 246-54
• H. Y. Sohn and C. H. Sun–Chang, Enhancement of Oil Recovery in the Combustion Retorting of Oil Shale by the Addition of Coal, Fuel Processing Technol., 13, 53–64, 1986
• H. Y. Sohn and D. D. Harbuck, Alumina from Coal Wastes through the Formation of Aluminum Nitride by Carbotherrnal Reduction under Nitrogen, Ind. Eng. Chem. Product Res. Dev., 25, 367–72, 1986
• H. Y. Sohn and Y.-N. Xia (1986) "Effect of Nonuniform Distribution of Solid Reactant on Fluid-Solid Reactions. 1. Initially Nonporous Solids", Ind. Eng. Chem. Process Des. Dev., 25, 386-94
• H. Y. Sohn and P. C. Chaubal (1986) "Approximate Closed-Form Solutions to Various Model Equations for Fluid-Solid Reactions", AIChE J., 32, 1574-78
• P. C. Chaubal and H. Y. Sohn (1986) "Intrinsic Kinetics of the Oxidation of Chalcopyrite Particles under Isothermal and Non-Isothermal Conditions", Metall. Trans. B, 17B, 51-60
• I. C. Lee and H. Y. Sohn (1986) "Intrinsic Kinetics of Low-Temperature Oxidation of Oil Shale Kerogen", Fuel, 65, 129-32
• H. Y. Sohn and R. Padilla (1986) "Diffusion-Controlled Kinetics of the Two-Stage Oxidation of Carbon Dispersed in Coal Wastes", Proceedings of World Congress III of Chemical Engineering, Vol. IV, 72-75 pages
• H. K. Lin and H. Y. Sohn (1986) "Pressure Leaching of Copper from Primary Chalcopyrite Ore under Simulated Solution-Mining Conditions", Hydrometallurgical Reactor Design and Kinetics, Warrendale, Pennsylvania, TMS-AIME, 169-86 pages
• P.R. Taylor, H.Y. Sohn, and N. Jarrett, eds., Recycle and Secondary Recovery of Metals, TMS-AIME, Warrendale, Pennsylvania, 1985
• R. Padilla and H. Y. Sohn, Sodium Aluminate Leaching and Desilication in Lime–Soda Sinter Process for Alumina from Coal Wastes, Metall. Trans. B, 16B, 707–13, 1985
• H. Y. Sohn and S. Won (1985) "Intrinsic Kinetics of the Hydrogen Reduction of Cu2S", Metall. Trans. B, 16B, 831-39
• I. C. Lee and H. Y. Sohn (1985) "Experimental Investigation and Mathematical Modeling of the Ignition of an Oil Shale Bed with Hot Air", Ind. Eng. Chem. Process Des. Dev., 24, 753-61
• H. Y. Sohn, S. H. Johnson, and A. C. Hindmarsh (1985) "Application of the Method of Lines to the Analysis of Single Fluid-Solid Reactions in Porous Solids", Chem. Eng. Sci., 40, 2185-90
• S. Won and H. Y. Sohn (1985) "Hydrogen Reduction of Cu2S in the Presence of Lime", Trans. Inst. Mining Metall., 94, C140-45
• H. Y. Sohn and S. Won (1985) "Successive Gas-Solid Reaction Model for the Hydrogen Reduction of Cuprous Sulfide in the Presence of Lime", Metall. Trans. B, 16B, 645-61
• H. Y. Sohn and S. K. Kim (1985) "Intrinsic Kinetics of the Hydrogen Reduction of Copper Sulfate: Determination by a Nonisothermal Technique", Metall. Trans. B, 16B, 397-401
• R. Padilla and H. Y. Sohn (1985) "Sintering Kinetics and Alumina Yield in Lime-Soda Sinter Process for Alumina from Coal Wastes", Metall. Trans. B, 16B, 385-95
• F. E. W. Duvall, H. Y. Sohn, and C. H. Pitt (1985) "Physical Behavior of Oil Shale at Various Temperatures and Compressive Loads: Part III. Structural Failure Under Loads", Fuel, 64, 938-40
• H. Y. Sohn and S. K. Kim (1985) "The Oxidation of Carbonaceous Residue Dispersed in Porous Retorted Oil Shale", AIChE J., 31, 860-62
• H. S. Yang and H. Y. Sohn (1985) "Characterization of Shale Oil Produced Under Various Reduced Pressures", Ind. Eng. Chem. Process Des. Dev., 24, 280-86
• H. S. Yang and H. Y. Sohn (1985) "A Mathematical Analysis of the Effect of Retorting Pressure on Oil Yield and Rate of Oil Generation from Oil Shale", Ind. Eng. Chem. Process Des. Dev., 24, 274-80
• H. Y. Sohn and H. S. Yang (1985) "The Effect of Reduced Pressure on Oil Shale Retorting: I. Kinetics of Oil Generation", Ind. Eng. Chem. Process Des. Dev., 24, 265-70
• H. S. Yang and H. Y. Sohn (1985) "The Effect of Reduced Pressure on Oil Shale Retorting: II. Oil Yield", Ind. Eng. Chem. Process Des. Dev., 24, 271-73
• I. C. Lee, M. D. Lee, and H. Y. Sohn (1985) "A DTA Study of Some Oxidation Characteristics of Colorado Oil Shale", Thermochim. Acta, 84, 371-75
• F. E. W. Duvall, H. Y. Sohn, and C. H. Pitt (1985) "Physical Behavior of Oil Shale at Various Temperatures and Compressive Loads: Part II. Thermal Expansion Under Various Loads", Fuel, 64, 184-88
• S. Won and H. Y. Sohn (1985) "Kinetics of the Reaction between Hydrogen Sulfide and Lime Particles", Metall. Trans. B, 16B, 163-68
• S. N. Sinha, H. Y. Sohn, and M. Nagamori (1985) "Distribution of Gold and Silver between Copper and Matte", Metall. Trans. B, 16B, 53-59
• H. Y. Sohn and P. C. Chaubal (1985) "Phase Changes during Gas-Solid Reactions Involving Minerals", Plenary Lecture in Proceedings of the Second International Congress on Applied Mineralogy in the Mineral Industry, Warrendale, Pennsylvania, TMS-AIME, 643-65 pages
• H. Y. Sohn and R. L. Braun, The Effect of Internally Generated Bulk Flow on the Rates of Gas-Solid Reactions. Parts I and II, Ind. Eng. Chem. Process Des. Dev., 23, 685-96, 1984
• S. K. Kim and H. Y. Sohn, Nonisothermal Analysis of the Oxidation Kinetics of Oil Shale Carbonaceous Residue, Chem. Eng. Commun., 27, 255-62, 1984
• H. Y. Sohn and P. C. Chaubal, Rate Enhancement of the Gaseous Reduction of Iron Oxide Pellets by Pressure Cycling, Trans. Iron Steel Inst. Japan, 24, 387-95, 1984
• H. Y. Sohn, Annual Review of Extractive and Process Metallurgy: Developments in Physical Chemistry and Basic Principles of Extractive and Process Metallurgy, J. Metals, 36((4)), 48-54, 1984
• H. Y. Sohn and R. L. Braun, Simultaneous Fluid-Solid Reactions in Porous Solids--II. Reactions between One Fluid and Two Solid Reactants, Chem. Eng. Sci., 39, 21-30, 1984
• H. Y. Sohn and D. Kim, A Novel Process for Transforming Selected Metal Sulfides to Oxides without Emitting Sulfur-Containing Gaseous Pollutants, J. Metals, 36((1)), 67-73, 1984
• P. C. Chaubal, M. Nagamori, and H. Y. Sohn (1984) "Volatilization and Slagging of Lead in Copper Matte Converting: Computer Simulation", Can. Metall. Quart., 23, 405-11
• S. N. Sinha, H. Y. Sohn, and M. Nagamori (1984) "Activity of SnS in Copper-Saturated Matte", Metall. Trans. B, 15B, 595-98
• S. N. Sinha, H. Y. Sohn, and M. Nagamori (1984) Distribution of Lead between Copper and Matte and the Activity of PbS in Copper-Saturated Matte, Metall. Trans. B, 15B, 441-49
• H. S. Yang and H. Y. Sohn (1984) Kinetics of Oil Generation from Oil Shale from Liaoning Province of China, Fuel, 63, 1511-14
• H. Y. Sohn and D. Kim (1984) The Law of Additive Reaction Times Applied to the Hydrogen Reduction of Porous Nickel-Oxide Pellets, Metall. Trans. B, 15B, 403-06
• H. W. Gao, H. Y. Sohn, and M. E. Wadsworth, A Mathematical Model for the Solution Mining of Primary Copper Ore: Part II. Leaching by Solution Containing Oxygen Bubbles, Metall. Trans. B, 14B, 553-58, 1983
• H. W. Gao, H. Y. Sohn, and M. E. Wadsworth, A Mathematical Model for the Solution Mining of Primary Copper Ore: Part I. Leaching by Oxygen-Saturated Solution Containing No Gas Bubbles, Metall. Trans. B, 14B, 541-51, 1983
• F. E. W. Duvall, H. Y. Sohn, C. H. Pitt, and M. C. Bronson, Physical Behavior of Oil Shale at Various Temperatures and Compressive Loads: 1. Free Thermal Expansion, Fuel, 62, 1455-61, 1983
• M. C. Bronson and H. Y. Sohn, The Carbothermal Reduction of Nickel Sulfide in the Presence of Lime, Metall. Trans. B, 14B, 605-15, 1983
• N. Jacinto, M. Nagamori, and H. Y. Sohn, Predominance Area Diagrams of the System Ni-S-O, Trans. Inst. Mining Metall., 92, C225-28, 1983
• N. Jacinto, H. Y. Sohn, and M. Nagamori, Predominance Area Diagrams of the System Co-S-O between 583 and 1148 K, Metall. Trans. B, 14B, 506-09, 1983
• K. Rajamani and H. Y. Sohn, Kinetics and Sulfur Fixation in the Reduction or Oxidation of Metal Sulfides Mixed with Lime, Metall. Trans. B., 14B, 175-80, 1983
• F. E. W. Duvall and H. Y. Sohn, Kinetics of Hydrogen Reduction of Porous Copper Sulphate Pellets, Trans. Inst. Mining Metall., 92, C166-68, 1983
• N. Jacinto, S. N. Sinha, M. Nagamori, and H. Y. Sohn, An Equilibrium Study of the Hydrogen Reduction of Copper Sulfates, Metall. Trans. B., 14B, 136-39, 1983
• H. Y. Sohn, D. B. George, and A. D. Zunkel (1983) Advances in Sulfide Smelting: Vol. 1 Basic Principles and Vol. 2 Technology and Practice, Warrendale, Pennsylvania, TMS-AIME
• H. Y. Sohn and O. Bascur, Effect of Bulk Flow Due to Volume Change in Gas Phase on Gas–Solid Reactions: Initially Porous Solids, Ind. Eng. Chem. Process Des. Dev., 21, 658–63, 1982
• M. Shamsuddin and H. Y. Sohn, A Review of Tungsten Extraction Processes, J. Korean Inst. Chem. Engrs., 20, 315-34, 1982
• N. Jacinto, M. Nagamori, and H. Y. Sohn, Dry Method Preparation and Melting Point of Cu2SO4, Metall. Trans. B, 13B, 515-17, 1982
• H. Y. Sohn, S. D. Hill, J. M. Wie, and K. V. S. Sastry (1982) Processing of Energy and Metallic Minerals, AIChE Symposium Series, Vol. 78, No. 216, New York, American Institute of Chemical Engineers
• H. Y. Sohn and S.-M. Shih (1981) An Approximate Solution for the Retorting of a Large Block of Oil Shale with an Internal Temperature Gradient, Fuel, 60, 276-79
• H. Y. Sohn (1981) Gas-Solid Reactions in Extractive Metallurgy, Metallurgical Treatises, Warrendale, Pennsylvania, TMS-AIME, 23-39 pages (bookchapter)
• S. K. Kim and H. Y. Sohn (1981) The Oxidation of Carbonaceous Material Dispersed in a Porous Matrix of Inert Solid, Proceedings of Second World Congress of Chemical Engineering, Montreal, October 4-9, 1981, Vol. III, 229-323 pages
• R. L. Braun, R. G. Mallon, and H. Y. Sohn (1981) Analysis of Multiple Gas-Solid Reactions during the Gasification of Char in Oil Shale Blocks, 14th Oil Shale Symposium Proceedings, Colorado School of Mines Press, 289-300 pages
• H. Y. Sohn and R. L. Braun, Simultaneous Fluid–Solid Reactions in Porous Solids: Reactions between One Solid and Two Fluid Reactants, Chem. Eng. Sci., 35, 1625–35, 1980
• H. Y. Sohn and H.–J. Sohn, The Effect of Bulk Flow Due to Volume Change in the Gas Phase on Gas–Solid Reactions: Initially Nonporous Solids, Ind. Eng. Chem. Process Des. Dev., 19, 237–42, 1980
• S.–M. Shih and H. Y. Sohn, Nonisothermal Determination of the Intrinsic Kinetics of Oil Generation from Oil Shale, Ind. Eng. Chem. Process Des. Dev., 19, 420–26, 1980
• H. Y. Sohn and S. K. Kim (1980) Intrinsic Kinetics of the Reaction between Oxygen and Carbonaceous Residue in Retorted Oil Shale, Ind. Eng. Chem. Process Des. Dev., 19, 550-55
• S.-M. Shih and H. Y. Sohn (1980) Nonisothermal Determination of the Intrinsic Kinetics of Oil Generation from Oil Shale, Ind. Eng. Chem. Process Des. Dev., 19, 420-26
• H. Y. Sohn (1980) The Effect of Strand Size on the Low-Pressure Deflagration Limit of a Composite Propellant, Chem. Eng. Commun., 4, 307-12
• H. Y. Sohn and H.-J. Sohn (1980) The Effect of Bulk Flow Due to Volume Change in the Gas Phase on Gas-Solid Reactions: Initially Nonporous Solids, Ind. Eng. Chem. Process Des. Dev., 19, 237-42
• H. Y. Sohn and R. L. Braun (1980) Simultaneous Fluid-Solid Reactions in Porous Solids: Reactions between One Solid and Two Fluid Reactants, Chem. Eng. Sci., 35, 1625-35
• H. Y. Sohn, O. N. Carlson, and J. T. Smith (1980) Extractive Metallurgy of Refractory Metals, Warrendale, Pennsylvania, TMS-AIME
• H. Y. Sohn (1980) The Oil Shale Retorting Processes, Health Implications of New Energy Technologies, Ann Arbor Science Publishers, 415-25 pages (bookchapter)
• D. Kim and H. Y. Sohn (1980) Treatment of Sulfide Ores with Steam to Produce Metal Oxides without Emitting Sulfur-Containing Pollutants, Proc. Fourth MMIJ/AIME Joint Meeting, Tokyo, Japan, Technical Session E- pages
• H. Y. Sohn and M. E. Wadsworth, Rate Processes of Extractive Metallurgy, Plenum, New York, 472 pp., 1979
• R. Padilla and H. Y. Sohn, Reduction of Stannic Oxide with Carbon, Metall. Trans. B, 10B, 109–15, 1979
• H. Y. Sohn and R. P. Goel, Principles of Roasting, Minerals Sci. Eng., 11, 137–53, 1979
• H. Y. Sohn and R. P. Goel (1979) Principles of Roasting, Minerals Sci. Eng., 11 (3), 137-53
• H. Y. Sohn (1979) Ignition of Ammonium Perchlorate, Chem. Eng. Commun., 3, 501-14
• H. Y. Sohn (1979) Closed-Form Solution for the Adiabatic Laminar-Flame Theory Applied to Monopropellant Burning Rate, Chem. Eng. Commun., 3, 135-46
• H. Y. Sohn (1979) Discussion of 'The Law of Additive Reaction Times in Fluid-Solid Reactions', Metall. Trans. B, 10B, 296-97
• H. Y. Sohn (1979) The Production of Liquid Fuels from Tar Sands, Energy (Korea), 2 (2), 61-68
• H. Y. Sohn (1979) The Production of Liquid Fuels and Chemical Feedstocks from Oil Shale, Energy (Korea), 2 (2), 44-60
• R. Padilla and H. Y. Sohn (1979) Reduction of Stannic Oxide with Carbon, Metall. Trans. B, 10B, 109-15
• H. Y. Sohn and M. E. Wadsworth (1979) Rate Processes of Extractive Metallurgy, New York, Plenum, 472 pp. pages
• H. Y. Sohn and E. T. Turkdogan (1979) Calcination, Rate Processes of Extractive Metallurgy, Plenum, 321-29 pages (bookchapter)
• H. Y. Sohn (1979) Fundamentals of Kinetics of Heterogeneous Reaction Systems in Extractive Metallurgy, Rate Processes of Extractive Metallurgy, Plenum, 1-51 pages (bookchapter)
• H. Y. Sohn, The Law of Additive Reaction Times in Fluid-Solid Reactions, Metallurgical Transactions B, 9B, 89-96, 1978
• S.-M. Shih and H. Y. Sohn (1978) A Mathematical Model for the Retorting of a Large Block of Oil Shale: Effect of the Internal Temperature Gradient, Fuel, 57, 622-30
• H. Y. Sohn (1978) The Law of Additive Reaction Times in Fluid-Solid Reactions, Metall. Trans. B, 9B, 89-96
• H. Y. Sohn (1978) Mathematical Models of Iron Ore Reduction, Physical Chemistry and Steelmaking, Proceedings of the International Conference on the Physical Chemistry of Steelmaking, Versailles, France, 3.8-3.11 pages
• H. Y. Sohn (1977) The Limiting Sherwood and Nusselt Numbers in Sphere Packed Beds, Letters Heat Mass Transfer, 4, 403-15
• H. Y. Sohn and K. Rajamani (1977) Successive Gas-Solid Reactions in a Porous Pellet: Application to the Reaction of Metal Sulfides in the Presence of Lime, Chem. Eng. Sci., 32, 1093-101
• J. Szekely, J. W. Evans, and H. Y. Sohn, Gas-Solid Reactions, Academic Press, New York, 400 pp., 1976
• H. Y. Sohn (1976) Kinetics of Non-Catalytic Fluid-Solid Reactions in Chemical and Extractive Metallurgical Processes: Part IV -- Design and Analysis of Multiparticle Systems, J. Korean Inst. Chem. Engrs., 14, 203-13
• H. Y. Sohn (1976) Kinetics of Non-Catalytic Fluid-Solid Reactions in Chemical and Extractive Metallurgical Processes: Part III--Reactions between Two Solids Proceeding Through Gaseous Intermediates, J. Korean Inst. Chem. Engrs., 14, 135-42
• H. Y. Sohn (1976) Kinetics of Non-Catalytic Fluid-Solid Reactions in Chemical and Extractive Metallurgical Processes: Part II--Reaction of a Single Porous Particle, J. Korean Inst. Chem. Engrs., 14, 65-76
• H. Y. Sohn (1976) Kinetics of Non-Catalytic Fluid-Solid Reactions in Chemical and Extractive Metallurgical Processes: Part I--Reaction of A Single Nonporous Particle, J. Korean Inst. Chem. Engrs., 14, 3-15
• H. Y. Sohn (1976) Annual Review of Extractive and Process Metallurgy: Physical Chemistry, J. Metals, 28 (3), 29-33
• J. Szekely, J. W. Evans, and H. Y. Sohn (1976) Gas-Solid Reactions, New York, Academic Press, 400 pp. pages
• H. Y. Sohn (1975) A Unified Theory of Ammonium Perchlorate Deflagration and the Low-Pressure Deflagration Limit, Combustion Science and Technology, 10, 137-54
• H. Y. Sohn and J. Szekely (1974) The Effect of Intragrain Diffusion on the Reaction between a Porous Solid and a Gas, Chem. Eng. Sci., 29, 630-34
• H. Y. Sohn and J. Szekely, Reactions between Solids Through Gaseous Intermediates—I. Reactions Controlled by Chemical Kinetics, Chem. Eng. Sci., 28, 1789–801, 1973
• H. Y. Sohn and J. Szekely (1973) Reactions between Solids Through Gaseous Intermediates--I. Reactions Controlled by Chemical Kinetics, Chem. Eng. Sci., 28, 1789-801
• J. Szekely, C. I. Lin, and H. Y. Sohn (1973) A Structural Model for Gas-Solid Reactions with a Moving Boundary--V. An Experimental Study of the Reduction of Porous Nickel-Oxide Pellets with Hydrogen, Chem. Eng. Sci., 28, 1975-89
• J. Szekely and H. Y. Sohn (1973) The Effect of Structure on the Reaction between a Porous Solid and a Gas, Trans. Inst. Mining Metall., 82, C92-100
• H. Y. Sohn and J. Szekely (1973) A Structural Model for Gas-Solid Reactions with a Moving Boundary--IV. Langmuir-Hinshelwood Kinetics, Chem. Eng. Sci., 28, 1169-77
• H. Y. Sohn and J. Szekely, A Structural Model for Gas–Solid Reactions with a Moving Boundary—III. A Generalized Dimensionless Representation of the Irreversible Reaction between a Porous Solid and a Reactant Gas, Chem. Eng. Sci., 27, 763–78, 1972
• H. Y. Sohn and J. Szekely (1972) The Effect of Reaction Order in Non-Catalytic Gas-Solid Reactions, Can. J. Chem. Eng., 50, 674-76
• H. Y. Sohn and J. Szekely (1972) A Structural Model for Gas-Solid Reactions with a Moving Boundary--III. A Generalized Dimensionless Representation of the Irreversible Reaction between a Porous Solid and a Reactant Gas, Chem. Eng. Sci., 27, 763-78
• H. Y. Sohn, R. P. Merrill, and E. E. Petersen (1970) Effectiveness Factor for Surface Diffusion and Reactions on Catalyst Surface, Chem. Eng. Sci., 25, 399-406
• H. Y. Sohn and C. Moreland, The Effect of Particle Size Distribution on Packing Density, Can. J. Chem. Eng., 46, 162–67, 1968
• H. Y. Sohn, On the Maximum Temperature Rise in Gas-Solid Reactions, AIChEJ., 19, 191-93 (1973); 20, 416 (1974).
• H.Y. Sohn and X. Wang, Mathematical and Experimental Investigation of the Self-Propagating High-Temperature Synthesis of TiAl3 and Ni3Al Intermetallic Compounds, J. Mater. Sci. 31, 3281-88, 1996
• H.Y. Sohn D Doungdeethaveeratana, A Novel Solvent Extraction Process with Bottom Gas Injection for Liquid Waste Treatment, in Extraction and Processing for the Treatment and Minimization of Wastes, ed. by V. Ramachandran and C.C. Nesbitt, TMS, Warrendale,PA, 613-625, 1996
• H.Y. Sohn, ed., Metallurgical Processes for the Early Twenty-First Century: Vol. 1 Basic Principles and Vol. 2 Technology and Practice, TMS, Warrendale, PA, 1994