Academic Staff

Prof Steven Bradshaw

Steven Bradshaw, Process Engineering, Stellenbosch University

Professor

Chairman of Process Engineering

  • Email: smb@sun.ac.za
  • Phone: +27 21 808 4493
  • Fax: +27 21 808 2059
  • Room: C310
  • Short Bio

    • Education
      • PhD, University of the Witwatersrand, 1989
      • MScEng, University of Natal, 1985
      • BScEng, University of Natal, 1982
    • Professional experience
      • Professor
        Department of Process Engineering, Stellenbosch University
        2002 to present
      • 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 and awards
      • Rector’s Award for Excellent Teaching, 1997 and 2010
      • The Engineer (UK) Technology and Innovation Award, 2008
      • EPSRC Visiting Fellowship, 2003, 2004 and 2005
  • Research Interests

    • Mineral processing
    • Microwave processing
  • Recent Publications

    • A.Y. Ali and Bradshaw, S.M., Bonded-particle modelling of microwave-induced damage in ore particles, Minerals Engineering 23(10), 780-790, 2010.
    • A.Y. Ali and S.M. Bradshaw, Quantifying damage around grain boundaries in microwave treated ores, Chemical Engineering and Processing: Process Intensification, 48(11-12), 1566-1573, 2009.
    • . Dorfling, G. Akdogan, S.M. Bradshaw, J.J. Eksteen, Determination of the relative leaching kinetics of Cu, Rh, Ru and Ir during the sulphuric acid pressure leaching of leach residue derived from Ni-Cu converter matte enriched in platinum group metals. Minerals Engineering. 24 (6), 583-589, 2011.
    • Ali, A.Y. and Bradshaw, S.M. Confined Particle Bed Breakage of Microwave Treated and Untreated ores, in press, Minerals Engineering, 24(14), 1625-1630, 2011.
    • J.P. Robinson, S.W. Kingman, C.E. Snape, S.M. Bradshaw, M.S.A. Bradley, H. Shang, R. Barranco, Scale-up and design of a continuous microwave treatment system for the processing of oil-contaminated drill cuttings, Chem Eng Res Des 88 (2010) 146-154.
    • J. Hamuyuni; P. Taskinen; G. Akdogan; S. M. Bradshaw, Surface tension of pseudo binary and ternary sulphide matte phase systems Ni3S2, Cu2S and FeS by sessile drop technique, Canadian Metallurgical Quarterly, 52(1), 34-38, 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 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
    • Van Wyk, G., Els, D.N.J, Akdogan, G., Bradshaw, S.M., Discrete element simulation of tribological interactions in rock cutting, International Journal of Rock Mechanics and Mining Sciences, 65, 8-19, 2014.
    • 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.
    • Mpinga, C.N., Bradshaw, S.M., Akdogan, G., Snyders C.A. and Eksteen, J.J., The extraction of Pt, Pd and Au from an alkaline cyanide simulated heap leachate by granular activated carbon, Minerals Engineering, 55, 2014, 11-17
  • Teaching

    • Chemical Engineering 426 (Process Control)

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