Publications: Senanayake, Gamini

Journal Article

Parhi, P.K., Park, K.H. and Senanayake, G. (2013) A kinetic study on hydrochloric acid leaching of nickel from Ni–Al2O3 spent catalyst. Journal of Industrial and Engineering Chemistry, 19 (2). pp. 589-594.

Senanayake, G. (2012) Gold leaching by copper(II) in ammoniacal thiosulphate solutions in the presence of additives. Part I: A review of the effect of hard–soft and Lewis acid-base properties and interactions of ions. Hydrometallurgy, 115-116 . pp. 1-20.

Senanayake, G. and Zhang, X.M. (2012) Gold leaching by copper(II) in ammoniacal thiosulphate solutions in the presence of additives. Part II: Effect of residual Cu(II), pH and redox potentials on reactivity of colloidal gold. Hydrometallurgy, 115-116 . pp. 21-29.

Senanayake, G. (2011) Acid leaching of metals from deep-sea manganese nodules – A critical review of fundamentals and applications. Minerals Engineering, 24 (13). pp. 1379-1396.

Poinern, G.E.J., Senanayake, G., Shah, N., Thi-Le, X.N., Parkinson, G.M. and Fawcett, D. (2011) Adsorption of the aurocyanide, complex on granular activated carbons derived from macadamia nut shells – A preliminary study. Minerals Engineering, 24 (15). pp. 1694-1702.

Nam, Y.I., Seo, S.Y., Kang, Y-C, Kim, M.J., Senanayake, G. and Tran, T. (2011) Purification of molybdenum trioxide calcine by selective leaching of copper with HCl–NH4Cl. Hydrometallurgy, 109 (1-2). pp. 9-17.

Senanayake, G., Childs, J., Akerstrom, B.D. and Pugaev, D. (2011) Reductive acid leaching of laterite and metal oxides — A review with new data for Fe(Ni,Co)OOH and a limonitic ore. Hydrometallurgy, 110 (1-4). pp. 13-32.

Senanayake, G., Shin, S-M., Senaputra, A., Winn, A., Pugaev, D., Avraamides, J., Sohn, J-S. and Kim, D-J. (2010) Comparative leaching of spent zinc-manganese-carbon batteries using sulfur dioxide in ammoniacal and sulfuric acid solutions. Hydrometallurgy, 105 (1-2). pp. 36-41.

Senanayake, G., Senaputra, A. and Nicol, M.J. (2010) Effect of thiosulfate, sulfide, copper(II), cobalt(II)/(III) and iron oxides on the ammoniacal carbonate leaching of nickel and ferronickel in the Caron process. Hydrometallurgy, 105 (1-2). pp. 60-68.

Kang, J., Sohn, J., Chang, H., Senanayake, G. and Shin, S.M. (2010) Preparation of cobalt oxide from concentrated cathode material of spent lithium ion batteries by hydrometallurgical method. Advanced Powder Technology, 21 (2). pp. 175-179.

Kang, J., Senanayake, G., Sohn, J. and Shin, S.M. (2010) Recovery of cobalt sulfate from spent lithium ion batteries by reductive leaching and solvent extraction with Cyanex 272. Hydrometallurgy, 100 (3-4). pp. 168-171.

Park, Y.Y., Tran, T., Lee, Y.H., Nam, Y.I., Senanayake, G. and Kim, M.J. (2010) Selective removal of arsenic(V) from a molybdate plant liquor by precipitation of magnesium arsenate. Hydrometallurgy, 104 (2). pp. 290-297.

Kim, T-H, Senanayake, G., Kang, J-G., Sohn, J-S., Rhee, K-I., Lee, S-W. and Shin, S-M. (2009) Reductive acid leaching of spent zinc–carbon batteries and oxidative precipitation of Mn–Zn ferrite nanoparticles. Hydrometallurgy, 96 (1-2). pp. 154-158.

Shin, S.M., Senanayake, G., Sohn, J-S, Kang, J-G, Yang, D-H and Kim, T-H (2009) Separation of zinc from spent zinc-carbon batteries by selective leaching with sodium hydroxide. Hydrometallurgy, 96 (4). pp. 349-353.

Senanayake, G. (2009) A review of chloride assisted copper sulfide leaching by oxygenated sulfuric acid and mechanistic considerations. Hydrometallurgy, 98 (1-2). pp. 21-32.

Senanayake, G. (2008) Erratum to “Chloride assisted leaching of chalcocite by oxygenated sulphuric acid via Cu(II)–OH–Cl” [Miner. Eng. 20 (2007) 1075–1088]. Minerals Engineering, 21 (5). p. 421.

Senanayake, G. (2008) A review of effects of silver, lead, sulfide and carbonaceous matter on gold cyanidation and mechanistic interpretation. Hydrometallurgy, 90 (1). pp. 46-73.

Senanayake, G. (2007) Review of theory and practice of measuring proton activity and pH in concentrated chloride solutions and application to oxide leaching. Minerals Engineering, 20 (7). pp. 634-645.

Senanayake, G. (2007) Review of rate constants for thiosulphate leaching of gold from ores, concentrates and flat surfaces: Effect of host minerals and pH (Review). Minerals Engineering, 20 (1). pp. 1-15.

Senanayake, G. (2007) Chloride assisted leaching of chalcocite by oxygenated sulphuric acid via Cu(II)–OH–Cl. Minerals Engineering, 20 (11). pp. 1075-1088.

Avraamides, J., Senanayake, G. and Clegg, R. (2006) Sulfur dioxide leaching of spent zinc–carbon-battery scrap. Journal of Power Sources, 159 (2). pp. 1488-1493.

Senanayake, G. (2006) The cyanidation of silver metal: Review of kinetics and reaction mechanism. Hydrometallurgy, 81 (2). pp. 75-85.

Perera, W.N., Senanayake, G. and Nicol, M.J. (2005) Interaction of gold(I) with thiosulfate–sulfite mixed ligand systems. Inorganica Chimica Acta, 358 (7). pp. 2183-2190.

Senanayake, G. (2005) Kinetics and reaction mechanism of gold cyanidation: Surface reaction model via Au(I)–OH–CN complexes. Hydrometallurgy, 80 (1-2). pp. 1-12.

Senanayake, G. (2005) The role of ligands and oxidants in thiosulfate leaching of gold. Gold Bulletin, 38 (4). pp. 170-179.

Perera, W.N. and Senanayake, G. (2004) The ammine, thiosulfato, and mixed ammine/thiosulfato complexes of silver(I) and gold(I). Inorganic Chemistry, 43 (10). pp. 3048-3056.

Senanayake, G. and Hefter, G. (2003) Gibbs energies of transfer of fluoride salts from water to aqueous alcohol mixtures. Monatshefte fur Chemie, 134 (5). pp. 669-677.

Chen, T., Hefter, G., Buchner, R. and Senanayake, G. (1998) Molar volumes and heat capacities of electrolytes and ions in nonaqueous solvents: 1. Formamide. Journal of Solution Chemistry, 27 (12). pp. 1069-1096.

Gill, D.S., Singh, P., Singh, J., Singh, P., Senanayake, G. and Hefter, G.T. (1995) Ultrasonic velocity, conductivity, viscosity and calorimetric studies of copper(I) and sodium perchlorates in cyanobenzene, pyridine and cyanomethane. Journal of the Chemical Society, Faraday Transactions, 91 . pp. 2789-2795.

Conference Paper

Zhang, X.M., Senanayake, G. and Nicol, M.J. (2008) Beneficial effect of silver in thiosulfate leaching of gold. In: Hydrometallurgy 2008: 6th International Symposium, 17 - 21 August, Phoenix, AZ.

Senaputra, A., Senanayake, G., Nicol, M.J. and Nikoloski, A. (2008) Leaching nickel and nickel sulfides in ammonia/ammonium carbonate solutions. In: Hydrometallurgy 2008: 6th International Symposium, 17 - 21 August, Phoenix, AZ.

Senanayake, G., Perera, W.N. and Nicol, M.J. (2003) Thermodynamic studies of the gold(III)/(I)/(0) redox system in ammonia-thiosulphate solutions at 25°C. In: Hydrometallurgy 2003: Proceedings of the 5th International Symposium, 24 - 27 August, Vancouver, Canada.

Das, G.K., Muir, D.M., Senanayake, G., Singh, P. and Hefter, G. (1997) Acid leaching of nickel laterites in the presence of sulphur dioxide at atmospheric pressure. In: Hydrometallurgy and Refining of Nickel and Cobalt , August 17-20, 1997, Montreal, QC Canada.