Dr. Berend Wassink

Emeritus Associate Professor of Teaching

Research Interests

Applied chemistry of extractive metallurgy, specifically hydrometallurgy

Publications

Refereed Journal Publications

Mokmeli M., Dreisinger D. B., Wassink, B., Modeling of selenium and tellurium removal from copper electrowinning solution, Hydrometallurgy, Volume 153 (2015) pp 12-20.

Mokmeli M., Dreisinger D. B., Wassink B., Thermodynamics and kinetics study of tellurium removal with cuprous ion, Hydrometallurgy, Volume 147-148 (2014), pp 20-29.

Mokmeli M., Wassink B., Dreisinger D. B., Kinetics study of selenium removal from copper sulfate-sulfuric acid solution, Hydrometallurgy, Volume 139 (2013), pp 13-25.

Mokmeli, M., Wassink, B. and Dreisinger, D. Equilibrium cuprous concentrations in copper sulfate- sulfuric acid solutions containing 50-110 g/L Cu+2, 10-200 g/L H2SO4 at 50-95°C, Hydrometallurgy, 121-124, (2012), 100-106.

Wassink, B., Dreisinger, D.B. and Howard, J., “Solvent Extraction Separation of Zinc and Cadmium from Nickel and Cobalt Using Aliquat 336, a Strong Base Anion Exchanger in the Chloride and Thiocyanate Forms”, Hydrometallurgy 57 (2000), 235-252.

Legzdins, P., Richter-Addo, G.B., Wassink, B., Einstein, F.W.B., Jones, R.H. and Willis, A.C., “Organometallic Nitrosyl Chemistry. Part 38. Insertions of Electrophiles into Metal-Carbon Bonds: Formation of New Carbon-Nitrogen Linkages Mediated by the (5-Cyclopentadienyl)-dinitrosylchromium Group”, J. Am. Chem. Soc., 1989, 111, 2097-2104.

Cardaci, G., Reichenbach, G., Bellachioma, G., Wassink, B. and Baird, M.C., “Mechanism of Carbonyl “Insertion” Reactions of the Compounds cis-MMeX(CO)2(PMe3)2 (M = iron, ruthenium; X = Iodo, Cyano). Stereochemistry at the Metal Centers”, Organometallics, 1988, 7, 2475-2479.

Legzdins, P.; Wassink, B., Einstein, F.W.B. and Jones, R.H., “Organometallic Nitrosyl Chemistry. 35. Cyclopentadienylethyldinitrosylmolybdate Anion, a Novel, Prototypal 19-Electron Nitrosyl Complex”, Organometallics, 1988, 7, 477-481.

Legzdins, P. and Wassink, B., “Organometallic Nitrosyl Chemistry. 36. Synthesis and Properties of Anionic and Neutral Radical Complexes Containing CpM(NO)2 Groups (M = Cr, Mo or W)”, Organometallics, 1988, 7, 482-493.

Wassink, B., Thomas, M.J., Wright, S.C., Gillis, D.J. and Baird, M.C., “Mechanisms of the Hydrometalation (Insertion) and Stoichiometric Hydrogenation Reactions of Conjugated Dienes Effected by Manganese Pentacarbonyl Hydride: Processes Involving the Radical Pair Mechanism”, J. Am. Chem. Soc., 1987, 109, 1995-2002.

Legzdins, P., Wassink, B., Einstein, F.W.B. and Willis, A.C., “Organometallic Nitrosyl Chemistry. 28. Insertion of the Nitrosonium Ion into a Chromium-Methyl Bond”, J. Am. Chem. Soc., 1986, 108, 317-318.

Legzdins, P. and Wassink, B., “Organometallic Nitrosyl Chemistry. 21. Redox Properties of Bis[(5-Cyclopentadienyl)dinitrosylchromium] and Related Complexes”, Organometallics, 1984, 3, 1811-1817.

Legzdins, P.; Martin, D.T., Nurse, C.R. and Wassink, B., “Organometallic Nitrosyl Chemistry. 19. Protonation vs. Oxidative Cleavage of the Isoelectronic Complexes [(5-C5H4R)M(LO)2]2 (M = Cr, Mn or Fe; L = C or N; R = H or Me) by HBF4”, Organometallics, 1983, 2, 1238-1244.

Refereed Conference Proceedings

Dreisinger, D.; Vaughan, J.; Lu, J.; Wassink, B. and West-Sells, P., “Treatment of the Carmacks Copper-Gold Ore by Acid Leaching and Cyanide Leaching with SART Recovery of Copper and Cyanide from Barren Cyanide Solution,” Proceedings of Hydrometallurgy 2008, 6th International Symposium, Phoenix, AZ, USA, Aug. 17-20, 2008, 740-749.

Shaw, R.D.; Arnold, S.; MacDonald, S.L.; Dreisinger, D. and Wassink, B., “The Development and Commercialization of Ion Exchange Applications in Hydrometallurgy,” accepted for publication in Proceedings of the International Ion Exchange Conference, July, 2008.

Shaw, R.; Illescas, J.; Dreisinger, D. and Wassink, B., “Ion Exchange for Electrolyte Purification in Copper Electrowinning and Electrorefining,” Proceedings of the 6th International COPPER-COBRE Conference, Toronto, Canada, Aug. 25-30, 2007.

Wassink, B.; Neufeld, M.; Dreisinger, D., “Towards a Resin-in-Pulp Process for Recovery of Nickel and Cobalt from Laterite Leach Tailings: An Iminodiacetic Acid Ion Exchange Resin as a Prospective Resin,” Proceedings – International Water Conference, 67th, Pittsburg, PA, Oct. 24-26, 2006, IWC-06-33, 11 pp, Publisher: Engineers’ Society of Western Pennsylvania.

Shaw, R.; Vance, S.; Illescas, J.; Dreisinger, D. and Wassink, B., “Ion Exchange for Iron Impurity Control in the Base Metal Industry,” Iron Control Technologies, Proceedings of the International Symposium on Iron Control in Hydrometallurgy, 3rd, Montreal, QC, Canada, Oct. 1-4, 2006, 757-769.

Wassink, B.; West-Sells, P.; Dreisinger, B. and Fisher, N., “Leaching of a Gold Ore Using the Hydrogen Sulfide-Bisulfide-Sulfur System,” Treatment of Gold Ores, Proceedings of the International Symposium on the Treatment of Gold Ore, Calgary, Alberta, Aug. 21-24, 2005, 229-241.

Larmour-Ship, K.; Buchalter, E.; Dreisinger, D.; Wassink, B.; Hackl, R.; Hames, M. and Grinbaum, B., “Cyanide Recovery by Solvent Extraction in a Continuous Pilot Plant,” Treatment of Gold Ores, Proceedings of the International Symposium on the Treatment of Gold Ore, Calgary, Alberta, Aug. 22-24, 2005, 469-496.