Extractive metallurgy, metal recycling & machine learning
Short Bio
Education
PhD, University of the Witwatersrand, 1989
MScEng, University of Natal, 1985
BScEng, University of Natal, 1982
Professional experience
Distinguished Professor
Department of Process Engineering, Stellenbosch University
2020 – Present
Professor
Department of Process Engineering, Stellenbosch University
2002 to 2020
Associate Professor
Department of Process Engineering, Stellenbosch University
1997 to 2002
Senior Lecturer
Department of Process Engineering, Stellenbosch University
1990 to 1997
Senior Researcher
Department of Process Engineering, Stellenbosch University
1989 to 1990
Honours, awards & memberships
Lecturer of the Year, 2016
Rector’s Award for Excellent Teaching, 1997 and 2010
The Engineer (UK) Technology and Innovation Award, 2008
EPSRC Visiting Fellowship, 2003, 2004 and 2005
Registered Professional Engineer (Engineering Council of South Africa)
Research Interests
Mineral processing
Microwave processing
Selected Publications
C. Dorfling, G. Akdogan, S.M. Bradshaw, J.J. Eksteen Modelling of an autoclave used for high pressure sulphuric acid/oxygen leaching of first stage leach residue, Part 1: Model development, Minerals Engineering, 53, 220-227, 2013
C. Dorfling, G. Akdogan, S.M. Bradshaw, J.J. Eksteen Modelling of an autoclave used for high pressure sulphuric acid/oxygen leaching of first stage leach residue, Part 2: Model application, Minerals Engineering, 53, 213-219, 2013.
S.W.P. Cloete, J.J. Eksteen and S.M. Bradshaw, Numerical Modelling Investigation into Design Variables Influencing Mixing Efficiency in Full Scale Gas Stirred Ladles, Minerals Engineering, 46-47, 16-24, 2013.
C. Dorfling, G. Akdogan, S.M. Bradshaw, J.J. Eksteen, Estimation of Rh, Ru, and Ir leaching kinetics during the sulfuric acid pressure leaching of Ni–Cu matte as a function of temperature, pressure, and acid concentration, Hydrometallurgy, Volume 138, June 2013, Pages 21-32
Bezuidenhout, G.A., Eksteen, J.J., Akdogan, G., Bradshaw, S.M., and de Villiers, J.P.R., Pyrometallurgical upgrading of PGM-rich leach residues from Western Platinum base metal refinery through roasting, smelting and alloy atomisation, Minerals Engineering, 53, 228-240, 2013
Mpinga, N., Bradshaw, S.M., Akdogan, G., Snyders, C.A., Eksteen, J.J., Evaluation of Merrill-Crowe process for the simultaneous removal of platinum, palladium and gold from cyanide leach solutions, Hydrometallurgy, 142, 36-46, 2014.
CN Mpinga, SM Bradshaw, G Akdogan, CA Snyders and JJ Eksteen, The extraction of Pt, Pd and Au from an alkaline cyanide simulated heap leachate by granular activated carbon, Minerals Engineering, 55, 2014, 11-17
M. Karimi, G. Akdogan, S. M. Bradshaw, A CFD-kinetic Model for the Flotation Rate Constant, Part I: model development, Minerals Engineering 69, 214-222, 2014.
M. Karimi, G. Akdogan, S. M. Bradshaw, A CFD-kinetic Model for the Flotation Rate Constant, Part II: model validation, Minerals Engineering 69, 205-213, 2014.
Snyders, C.A., Bradshaw, S.M., Akdogan, G., Eksteen, J.J., The effect of temperature, cyanide and base metals on the adsorption of Pt, Pd and Au onto activated carbon, Hydrometallurgy, 149, 132-142, 2014
Snyders, C.A., Bradshaw, S.M., Akdogan, G., Eksteen, J.J., Factors affecting the elution of Pt, Pd and Au from activated carbon, Mineral Engineering, 80, 14-24, 2015
CA Snyders, SM Bradshaw, G Akdogan, JJ Eksteen, Determination of the equilibrium and film diffusion constants of the platinum cyanide anions during the elution from activated carbon, Minerals Engineering, 80, 57-68, 2015
Charikinya, E., Bradshaw, S., Becker, M., Characterising and quantifying microwave induced damage in coarse particles, Minerals Engineering, 82, 14-24,2015
E. Schoeman, S.M. Bradshaw, G. Akdogan, C.A. Snyders J.J. Eksteen, The extraction of platinum and palladium from a synthetic cyanide heap leach solution with strong base anion exchange resins. Int J Min Proc, 162, 27-35, 2017
E. Schoeman, S.M. Bradshaw, G. Akdogan, C.A. Snyders J.J. Eksteen, The elution of platinum and palladium cyanide from strong base anion exchange resins, Int J Min Proc, 162, 19-26, 2017
Teaching
Chemical Engineering 426 (Process Control)
