Publications

H. Ming and V.G. Papangelakis, "Electrical Conductivity of Concentrated MgSO4- H2SO4 Solutions up to 250 °C", Industrial and Engineering Chemistry Research, 45(13); 4757-4763, 2006.

 

M. Baghalha, V.G. Papangelakis, W. Curlook, "Factors Affecting the Leachability of Ni/Co/Cu Slags at High Temperature," Hydrometallurgy, in press, available on line, 2006.

 

J. F. Adams, and V.G. Papangelakis, "Optimum Reactor Configuration for Prevention of Gypsum Scaling During Continuous Sulphuric Acid Neutralization," Hydrometallurgy, submitted, August 2006.

 

H. Ming and V.G. Papangelakis, "Electrical Conductivity of Concentrated Al2(SO4)3-MgSO4-H2SO4 Aqueous Solutions up to 250 °C", Industrial and Engineering Chemistry Research, accepted, 2006.

 

H. Liu and V.G. Papangelakis, “Solubility of Pb(II) and Ni(II) in mixed sulphate-chloride solutions with the Mixed Solvent Electrolyte model,” Industrial and Engineering Chemistry Research, 45(1), 39 – 47, 2006

 

J. M. Casas, V.G. Papangelakis and H. Liu, “Comparison of Three Activity Coefficient Models on the High Temperature Aqueous Al2(SO4)3-MgSO4-H2SO4-H2O System,” Industrial and Engineering Chemistry Research, vol 44(9), 2931-2941, 2005.

 

J. A. Brown and V.G. Papangelakis, “Interfacial studies of liquid sulphur during aqueous pressure oxidation of nickel sulphide,” Minerals Engineering, 18, 1378 - 1385, 2005.

 

H. Liu and V.G. Papangelakis, “Thermodynamic equilibrium of the O2 – ZnSO4 – H2SO4 – H2O System from 25 to 250?C,” Fluid Phase Equilibria, 234, 122-130, 2005.

 

H. Liu and V.G. Papangelakis, “Chemical Modelling of High Temperature Aqueous Processes”, Hydrometallurgy, 79, 48-61, 2005. 

 

D. Georgiou and V.G. Papangelakis, “Characterisation of limonitic laterite and solids during sulphuric acid pressure leaching using transmission electron microscopy,” Minerals Engineering, 17, 461-463, 2004.


A. Haghtalab, V.G. Papangelakis and X. Zhu, “The Electrolyte NRTL Model and Speciation Approach as Applied to Multicomponent Aqueous Solutions of H2SO4, Fe2(SO4)3, MgSO4, and Al2(SO4)3 at 230 – 270 oC”, Fluid Phase Equilibria, 220(2), 199-209, 2004.

 

D. S. Seneviratne, V. G. Papangelakis, Z. Yankovic, X. Y. Zhou and S. N., Lvov, "pH Measurement in High - Temperature Hydrometallurgical Systems", Hydrometallurgy 2003, Proceedings of the 5th International Symposium Honoring Professor Ian M. Ritchie v.1, (eds. C. Young, A. Alfantazi, C. Anderson, A. James, D. Dreisinger and B. Harris), TMS, Warrendale, PA 645 - 656, 2003.


J.F. Adams and V.G Papangalakis, "Gypsum Fouling in Neutralization Reactors and Aqueous Streams", Hydrometallurgy 2003, Proceedings of the 5th International Symposium Honoring Professor Ian M. Ritchie v.2, (eds. C. Young, A. Alfantazi, C. Anderson, A. James, D. Dreisinger and B. Harris), TMS, Warrendale, PA 1741 - 1753, 2003.


H. Liu, V.G. Papangelakis, M.S. Alam, and G. Singh, "Solubility of Hematite in H2SO4 Solution at 230-270°C", Canadian Metallurgical Quarterly , 42(2), 199 - 208, 2003.


D. S. Seneviratne, V. G. Papangelakis, X. Y. Zhou and S. N., Lvov, "Potentiometric pH measurements in acidic sulfate solutions at 250C relevant to pressure leaching", Hydrometallurgy, 68, 131-139, 2003


J. Kambossos, M. Baghalha, V.G Papangalakis, M. Buarzaiga and Boissoneault, "Laterite Scale Formation and Dissolution in Chloride Solutions", Chloride Metallurgy 2002, (eds. E. Peek and G. Van Weert), CIM, Montreal, 373 - 388, 2002.


J.F. Adams and V.G. Papangelakis, "Understanding Gypsum Crystallization Fouling in Sulphuric Acid Neutralization Reactors", Gypsum and Fly Ash 2002, Process Ortech Inc., Toronto, Canada, 4-1 - 4-15, 2002.


J.F. Adams and V.G. Papangelakis, "Gypsum Scale Formation in Continuous Neutralization Reactors", Canadian Metallurgical Quarterly, 39 (4), 421-432, 2000.


D.H. Rubisov and V.G. Papangelakis, "Sulphuric Acid Pressure Leaching of Laterites - a Comprehensive Model of a Continuous Autoclave" Hydrometallurgy , 58(2), 89-101, 2000.


D.H. Rubisov, J.M. Krowinkel and V.G. Papangelakis, "Sulphuric Acid Pressure Leaching of Laterites - Universal Kinetics of Nickel Dissolution for Limonites and Limonitic/Saprolitic Blends", Hydrometallurgy, 58(1), 1-11, 2000.


D.H. Rubisov and V.G. Papangelakis, "Sulphuric Acid Pressure Leaching of Laterites - Speciation and Prediction of Metal Solubilities 'at Temperature'", Hydrometallurgy, 58(1), 13-26, 2000.


M. Baghalha and V.G. Papangelakis, "High-Temperature Conductivity Measurements for Industrial Applications. 1. A New Cell", Ind. Eng. Chem. Res., 39, pp. 3640-3645, 2000.


M. Baghalha and V.G. Papangelakis, "High-Temperature Conductivity Measurements for Industrial Applications. 2. H2SO4-Al2(SO4)3 Solutions", Ind. Eng. Chem. Res., 39, pp. 3646-3652, 2000.


D.H. Rubisov and V.G. Papangelakis, "The Effect of Acidity 'at Temperature' on the Morphology of Precipitates and Scale during Sulphuric Acid Pressure Leaching of Laterites", CIM Bulletin, 93(1041) 131-137, 2000.


D.H. Rubisov and V.G. Papangelakis, "The Effect of Acidity 'at Temperature' on the Morphology of Precipitates and Scale during Sulphuric Acid Pressure Leaching of Laterites", Solid-Liquid Separation (ed. by G.B. Harris and S.J. Omelon), CIM, Montreal, QC, Canada, 185-203, 1999.


D.H. Rubisov and V.G. Papangelakis, "Sulphuric Acid Pressure Leaching of Laterites – Prediction of Metal Solubilities and Speciation Analysis 'at Temperature'", EPD Congress 1999 (ed. by B. Mishra), TMS, Warrendale, PA, U.S.A., 535-546, 1999.


P. Perdikis and V.G. Papangelakis. "Scale Formation in Batch Reactor under Pressure Acid Leaching of a Limonitic Laterite", Canadian Metallurgical Quarterly, 37(5), 429-440, 1998.


M. Baghalha and V.G. Papangelakis, "The Ion-Association-Interaction Approach as Applied to Aqueous H2SO4-Al2(SO4)3-MgSO4 Solutions at 250°C", Metallurgical and Materials Transactions B, 29(5), 1021-1030, 1998.


M. Baghalha and V.G. Papangelakis, "Pressure Acid Leaching of Laterites at 250°C: A Solution Chemical Model and its Applications", Metallurgical and Materials Transactions B, 29(5), 945-952, 1998.


D. Georgiou and V.G. Papangelakis, "Sulfuric-Acid Pressure Leaching of a Limonitic Laterite: Chemistry and Kinetics", Hydrometallurgy, 49(1-2), 23-46, 1998.


E. Krause, A. Singhal, B.C. Blakey, V.G. Papangelakis and D. Georgiou, "Sulphuric Acid Leaching of Nickeliferous Laterites", Hydrometallurgy and Refining of Nickel and Cobalt (ed. by W.C. Cooper and I. Mihaylov), CIM, Montreal, Quebec, Canada, 441-458, 1997.


D.H. Rubisov and V.G. Papangelakis, "Solution Techniques for Population Balance Equations as Applied to Heterogeneous Aqueous Processes in Stirred Tank Reactors", Computers and Chemical Engineering, 21(9), 1031-1042, 1997.


D.H. Rubisov, V.G. Papangelakis and P.D. Kondos, "Fundamental Kinetic Models for Gold Ore Cyanide Leaching", Canadian Metallurgical Quarterly, 35(4), 353-361, 1996.


B.C. Blakey and V.G. Papangelakis, "A Study of Solid-aqueous Equilibria by the Speciation Approach in the Hydronium Alunite – Sulfuric Acid – Water System at High Temperatures", Metallurgical and Materials Transactions B, 27(4), 555-566, 1996.


P. Ling, V.G. Papangelakis, S.A. Argyropoulos and P.D. Kondos, "An Improved Rate Equation for Cyanidation of a Gold Ore", Canadian Metallurfical Quarterly , 35(3), 225-234, 1996.


V.G. Papangelakis, D. Georgiou and D.H. Rubisov, "Control of Iron during the Sulphuric Acid Pressure Leaching of Limonitic Laterites", Iron Control in Hydrometallurgy (ed. by J.E. Dutrizac and G.B. Harris), CIM, Ottawa, Ontario, Canada, 263-274, 1996.


D.H. Rubisov and V.G. Papangelakis, "Mathematical Modelling of the Transient Behaviour of CSTRs with Reactive Particulates: Part 1 – The Population Balance Framework", Canadian Journal of Chemical Engineering, 74(3) , 353-362, 1996.


D.H. Rubisov and V.G. Papangelakis, "Mathematical Modelling of the Transient Behaviour of CSTRs with Reactive Particulates: Part 2 – Application to Pyrite Pressure Oxidation", Canadian Journal of Chemical Engineering, 74(3), 363-371, 1996.


D.H. Rubisov, V.G. Papangelakis, G. Houlachi and C. Bowen, "Neural Net Modelling of a Zinc Electrowinning Plant", EPD Congress 1996 (ed. by G.W. Warren), TMS, Warrendale, PA, U.S.A., 139-150, 1996.


D.H. Rubisov and V.G. Papangelakis, "Model-Based Analysis of Pressure Oxidation Autoclave Behaviour During Process Upsets", Hydrometallurgy, 39 , 337-389, 1995.


D. Filippou, V.G. Papangelakis and G.P. Demopoulos, "Hydrogen Ion Activities and Species Distribution in Mixed Metal Sulfate Aqueous Systems", AIChE J., 41(1), 171-184, 1995.


V.G. Papangelakis, B.C. Blakey and J. Kambossos, "Behaviour of Aluminium During Direct Acid Leaching of Limonitic Laterites", Impurity Control and Disposal in Hydrometallurgical Processes (ed. by B. Harris and E. Krause), CIM, Toronto, Ontario, Canada, 315-325, 1994.


V.G. Papangelakis, B.C. Blakey and H. Liao, "Hematite Solubility in Sulphate Process Solutions", Hydrometallurgy '94, IMM and SCI, Chapman and Hall, U.K., 159-175, 1994.