Prof M D Heydenrych

Position Associate Professor
Qualifications CEng, PrEng, M(Eng)(Wits), PhD(Twente) FSAIChE, FIChemE
Telephone +27-12-420-2199
Fax +27-12-420-5048
E-mail [email protected]  

Fields of interest

  • Process development
  • Process modelling
  • Fluidised beds
  • Reactor design

Current research

  • Mass transfer in rotary kilns
  • Brewing process technology


  1. Heydenrych, M.D., Nicolaides, C.P. and Scurrel, M.S., (2001), "Oligomerization of ethene in a slurry reactor using a nickel(II)-exchanged silica-alumina catalyst", Journal of Catalysis, 197, 1 January 2001, p49-57.
  2. Moolman, F.S. and Heydenrych, M.D. (2001), "Fluorination of zircon in a fluidized bed", Can. J. Chem. Eng., 78, December 2000, 1120 - 1126.
  3. Heydenrych, M.D., Reid, C. and Manzini, D. (2001), "Pressure drop over fluidised bed distributor caps", S.A.J. Chem. Eng., 12 Issue 2, (2000) 1-9.
  4. Heydenrych, M.D. (1989) "Intrinsic kinetics of olefin oligomerisation on a supported nickel catalyst", M.Eng. Thesis, University of the Witwatersrand.
  5. Van Vuuren, D.S., Hunter, J.R. and Heydenrych, M.D., (1988), "The solubility of various gases in Fischer-Tropsch reactor wax", Chem. Eng. Sci., 43(6) 1291-1296.
  6. Faber, E.F., Heydenrych, M.D. and Hicks, R.E. (1988) "Techno-economic comparison of air and steam drying", ChemSA, 14, September 1988.
  7. Van Vuuren, D.S. and Heydenrych, M.D., (1985), "Multicomponent modeling of Fischer-Tropsch slurry reactors", CSIR rep. CENG-581, 46 pages.


  1. Heydenrych, M.D. and Van Vuuren, D.S. (1989) "Catalytic process for the oligomerisation of olefins", South African patent ZA 89 02,236.
  2. Heydenrych, M.D., Morgan, D and Stone, AK(2000) "Fluidisation", South African Patent ZA 2000/2465.


  1. Heydenrych, M.D., "Mass Transfer in Rotary Kilns" 9th National Meeting of SAIChE, 9 - 12 October 2000, Secunda, p99.
  2. Mostert, G., Heydenrych, M.D., Stone, A. (1996), "The importance of cost models in the evaluation of process options - a case study", Hidden Wealth Symposium 1-3 October 1996, SAIMM symposium series S16 .
  3. Heydenrych, M.D., "The effect of buffers on plant availability", SAIChE 7th National Conference, Durban, 1994.
  4. Mandersloot, W.G.B. and Heydenrych, M.D., "Practicalities of the preparation of graphics", Proc. of SAIChE 7th National Meeting, Johannesburg, 1994.
  5. Heydenrych, M.D., Mandersloot, W.G.B., "Practicalities of curve fitting", Proc. of SAIChE 7th National Meeting, Johannesburg, 1994.
  6. Mandersloot, W.G.B. and Heydenrych, M.D., "The PC in science and engineering", Proceedings of the SAIChE symposium on the PC, Pretoria, 1991.
  7. Faber, E.F., Heydenrych, M.D. and Hicks, R.E. (1986) "Techno-economic comparison of air and steam drying", Cost and energy saving in drying", One-day symposium, CSIR conference centre, 3 October 1986.

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