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Contact Details





Architecture: +27 21 650 2374 and Fax: +27 21 650 2383

Planning: +27 21 650 2359 and Fax: +27 21 689 9466

Geomatics: +27 21 650 3577 and Fax: +27 21 650 3572

E-mail: geomatics@ebe.uct.ac.za

Web: http://www.apg.uct.ac.za/
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Department of Chemical Engineering





(Including Bioprocess Engineering Research Unit, Centre for Catalysis Research, c*change – DST-NRF Centre of Excellence in Catalysis, Centre for Minerals Research, the Centre for Research in Engineering Education and the Crystallisation and Precipitation Research Unit)


Research Output


Authored books


Hansford, G.S., Gopal, H., Van Hille, R.P., Icgen, B., Lacour, S., Lewis, A.E., Moosa, S., Petersen, K. and Harrison, S.T.L. 2007. An Extended Investigation into the Mechanism and Kinetics of Bacterial Sulphate Reduction. WRC Report No: 1251/1/07. Pretoria: Water Research Commission. ISBN 978-1-77005-447-9.


Chapters in books


Böhringer, W.F.W., Fletcher, J.C.Q., De Boer, M. and Knottenbelt, C. 2006. Selective Fischer-Tropsch wax hydrocracking - opportunity for improvement of overall gas-to-liquids processing. In B.H. Davis and M.L. Occelli (eds), Studies in Surface Science and Catalysis, Volume 163, p. 430. USA: Elsevier Science. ISBN 0-444-5221-2.


Petersen, J. and Dixon, D.G. 2007. Principles, mechanisms and dynamics of Chalcocite Heap Bioleaching. In E.R. Donati and W. Sand (eds), Microbial Processing of Metal Sulfides, pp. 193-218. The Netherlands: Springer. ISBN 978-1-4020-5588-1.


Articles in peer-reviewed journals


Agarkar, V.B., Sewell, B., Weber, B., Cameron, R., Cowan, D. and Burton, S.G. 2007. A novel thermostable nitrilase superfamily amidase from Geobacillus pallidus showing acyl transfer activity. Applied Microbiology and Biotechnology, 75(1): 801-811.


Amigun, B. and Von Blottnitz, H. 2007. Investigation of scale economies for African biogas installations. Energy Conversion and Management, 48(12): 3090-3094.


Anand, H., Balasundaram, B., Pandit, A.B. and Harrison, S.T.L. 2007. The effect of chemical pretreatment combined with mechanical disruption on the extent of disruption and release of intracellular protein from E.coli. Biochemical Engineering Journal, 35(1): 166-173.


Bagci, E., Ekmekci, Z. and Bradshaw, D.J. 2007. Adsorption behaviour of xanthate and dithiophosphinate from their mixtures on chalcopyrite. Minerals Engineering, 20(1): 1047-1053.


Barbian, N., Cilliers, J.J., Morar, S. and Bradshaw, D.J. 2007. Froth imaging, air recovery and bubble loading to describe flotation bank performance. International Journal of Mineral Processing, 84(1): 81-88.


Basson, L. and Petrie, J.G. 2007. A critical systems approach to decision support for process engineering. Computers & Chemical Engineering, 31(8): 876-888.


Basson, L. and Petrie, J.G. 2007. An integrated approach for the consideration of uncertainty in decision making supported by Life Cycle Assessment. Environmental Modelling & Software, 22(2): 167-176.


Bicak, O., Ekmekci, Z., Bradshaw, D.J. and Harris, P.J. 2007. Adsorption of guar gum and CMC on pyrite. Minerals Engineering, 20(1): 996-1002.


Blom, B., Klatt, G., Fletcher, J.C.Q. and Moss, J.R. 2007. Computational investigation of ethene trimerisation catalysed by cyclopentadienyl chromium complexes. Inorganica Chimica Acta, 360(9): 2890-2896.


Broadhurst, J., Petrie, J.G. and Von Blottnitz, H. 2007. Understanding element distribution during primary metal production. Mineral Processing and Extractive Metallurgy Review, 116(1): 1-16.


Bulawayo, B.T., Dorrington, R. and Burton, S.G. 2007. Enhanced operational parameters for amino acid production using hydantoin-hydrolysing enzymes of Pseudomonas putida strain RUKM3s immobilised in Eupergit ® C. Enzyme and Microbial Technology, 40(1): 533-539.


Burdukova, E., Becker, M.E., Bradshaw, D.J. and Laskowski, J.S. 2007. Presence of negative charge on the basal planes of New York talc. Journal of Colloid and Interface Science, 315(1): 337-342.


Burdukova, E., Bradshaw, D.J. and Laskowski, J.S. 2007. Effect of CMC and pH on the rheology of suspensions os isotropic and anisotropic minerals. Canadian Metallurgical Quarterly, 26(3): 273-278.


Case, J.M. 2007. Alienation and engagement: Exploring students' experiences of studying engineering. Teaching in Higher Education, 12(1): 119-133.


Case, J.M. 2007. ChE Educator: Duncan Fraser. Chemical Engineering Education, 41(1): 74-80.


Chaing, Y.L., Nathoo, J. and Lewis, A.E. 2007. Investigating the control of manganese sulphide precipitation. Journal of the South African Institute of Mining and Metallurgy, 107(1): 231-236.


Erasmus, W. and Van Steen, E.W.J. 2007. Some insights in the sonochemical preparation of cobalt nano-particles. Ultrasonics Sonochemistry, 14(1): 732-738.


Franzidis, J.-P. and Manlapig, E. 2007. Comparison of gas hold-up distribution measurement in a flotation cell using capturing and conductivity techniques. Minerals Engineering, 19(13): 1362-1372.


Fraser, D.M., Pillay, R., Tjatindi, L. and Case, J.M. 2007. Enhancing the learning of fluid mechanics using computer simulations. Journal of Engineering Education, 96(4): 381-388.


Giurco, D. and Petrie, J.G. 2007. Strategies for reducing the carbon footprint of copper: New technologies, more recycling or demand management? Minerals Engineering, 20(9): 842-853.


Harding, K., Dennis, J., Von Blottnitz, H. and Harrison, S.T.L. 2007. Environmental analysis of plastic production processes: Comparing petroleum-based polypropylene and polyethylene with biologically-based poly-β-hydroxybutyric acid using life cycle analysis. Journal of Biotechnology, 130(1): 57-66.


Harrison, S.T.L., Coram-Uliana, N.J., Ntshabele, K. and Van Hille, R.P. 2007. The effect of multiple stresses on Sulfolobus-like cultures in bioleaching systems: Super imposing stress responses to metal concentration and solids loading. Advanced Materials Research, 20-21: 571.


Heinrich, G., Basson, L., Cohen, B., Petrie, J.G. and Howells, M.I. 2007. Ranking power expansion alternatives for multiple objectives under certainty. Energy Policy, 32(12): 2350-2369.


Heinrich, G., Howells, M.I., Basson, L. and Petrie, J.G. 2007. Electricity supply industry modeling for multiple objectives under demand growth uncertainty. Energy, 32(11): 2210-2229.


Hove, M., Van Hille, R.P. and Lewis, A.E. 2007. Characterisation of iron solids formed during the oxidation precipitation of ferrous sulphate solutions. AIChE Journal, 53(10): 2569-2577.


Hughes, M. and Moller, K.P. 2007. Economic assessment of the toluene disproportionation process using an external reactor - separator configuration. International Journal of Chemical Reactor Engineering, 5(1): 1-16.


Icgen, B., Moosa, S. and Harrison, S.T.L. 2007. A study of the relative dominance of selected anaerobic sulfate-reducing bacteria in a continuous bioreactor by fluorescence in Situ hybridization. Microbial Ecology, 53(1): 43-52.


Isaifiade, A. and Fraser, D.M. 2007. Optimisation of combined heat and mass exchangers networks using pinch technology. Asia Pacific Journal of Chemical Engineering, 2(6): 554-565.


Kirchmann, S., Van Zyl, P., Brady, D., Abrahams, N., Rech, S., Dorrington, R. and Burton, S.G. 2007. A dual phase fermentation protocol for the production of hydantoinase and carbamoylase by the wild type Pseudomonas putida RU-KM3. Enzyme and Microbial Technology, 41(1): 539-545.


Laskowski, J.S., Lui, Q. and O'Connor, C.T. 2007. Current understanding of the mechanism of polysaccharide adsorption at the mineral/aqueous solution interface. International Journal of Mineral Processing, 84(1-4): 59-68.


Makhongela, H.S., Glowacka, A., Agarkar, V.B., Sewell, B.T., Weber, B.W., Cameron, R., Cowan, D. and Burton, S.G. 2007. A novel thermostable nitrilase superfamily amidasefrom Geobacillus pallidus showing acyl transfer activity. Applied Microbiology and Biotechnology, 75: 801-811.


Meyer, Q.C., Burton, S.G. and Cowan, D. 2007. Subtractive hybridization magnetic bead capture: A new technique for the recovery of full length ORFs from the metagenome. Journal of Biotechnology, 2(1): 36-40.


Morrison, R. and Powell, M.S. 2007. Design for sampling - preliminary exploration. Journal of the South African Institute of Mining and Metallurgy, 106(1): 697-706.


Ncanana, S. and Burton, S.G. 2007. Oxidation of 8-hydroxyquinoline catalyzed by laccase from Trametes pubescens yields an antioxidant aromatic polymer. Journal of Molecular Catalysis B-Enzymatic, 44(1): 66-71.


Ncanana, S., Baratto, L., Roncaglia, L., Riva, S. and Burton, S.G. 2007. Laccase-mediated oxidation of totarol. Advanced Synthesis & Catalysis, 349(1): 1507-1513.


Newell, A. and Bradshaw, D.J. 2007. The development of sulfidisation technique to restore the flotation of oxidised pentlandite. Minerals Engineering, 20(1): 1039-1046.


Ntuli, F. and Lewis, A.E. 2007. The influence of iron on the precipitation behaviour of nickel powder. Chemical Engineering Science, 62(14): 3756-3766.


O'Connor, C.T., Sauerbeck, S., Balfour, G.C., Böhringer, W.F.W. and Fletcher, J.C.Q. 2007. The effect of different Si/Al ratios and reaction conditions on the phenol methylation activity of MCM-22. Studies in Surface Science Catalysis, 170: 1088-1095.


Oyekola, O.O., Van Hille, R. and Harrison, S.T.L.H. 2007. Effect of sulphate concentration on the community structure and activity of sulphate reducing bacteria. Advanced Materials Research, 20-21: 513-515.


Parolis, L.A.S., Van der Merwe, R., Van Leerdam, G.C., Prins, F.E. and Smeink, R.G. 2007. The use of ToF-SIMS and microflotation to assess the reversibility of binding of CMC onto talc. Minerals Engineering, 20: 970-978.


Petersen, J. and Dixon, D.G. 2007. Modelling zinc heap bioleaching. Hydrometallurgy, 85(1): 127-143.


Petrie, J.G. 2007. New models of sustainability for the resources sector. Process Safety and Environmental Protection, 85(B1): 88-98.


Petrie, J.G., Cohen, B. and Stewart, M. 2007. Decision support frameworks and metrics for sustainable development of minerals and metals. Clean Technologies and Environmental Policy, 9(2): 133-145.


Phala, N.S. and Van Steen, E.W.J. 2007. Intrinsic reactivity of gold nanoparticles: Classical, semi-empirical and DFT studies. Gold Bulletin, 40(2): 150-153.


Powell, M.S. and Morrison, 2007. The future of comminution modelling. International Journal of Mineral Processing, 84(1-4): 228-239.


Reddick, J., Von Blottnitz, H. and Kothuis, B. 2007. A cleaner production assessment of the ultra-fine coal waste generated in South Africa. Journal of the South African Institute of Mining and Metallurgy, 107: 811-816.


Rezai, S., Lindmark, J., Andersson, C., Jareman, F., Moller, K.P. and Hedlund, J. 2007. Water/hydrogen/hexane multicomponent selectivity of thin MFI membranes with different Si/Al ratios. Microporous and Mesoporous Materials, 108: 136-142.


Rogers, J.M., Stewart, M., Petrie, J.G. and Haynes, B.S. 2007. Deportment and management of metals produced during combustion of CCA-treated timbers. Journal of Hazardous Materials, 139(3): 500-505.


Ryan, D., Leukes, W. and Burton, S.G. 2007. Improving the bioremediation of phenolic wastewaters by Trametes versicolor. Bioresource Technology, 98(1): 579-587.


Shackleton, N.J., Malysiak, V. and O'Connor, C.T. 2007. Surface characteristics and flotation behaviour of platinum and palladium arsenides. International Journal of Mineral Processing, 85(1): 25-40


Silva-Stenico, M.E., Vengadajellum, C.J., Janjua, H.A., Harrison, S.T.L., Burton, S.G., and Cowan, D. 2007. Degradation of low rank coal by Trichoderma atroviride ES11. Journal of Industrial Microbiology & Biotechnology, 34(9): 625-631.


Swart, J., Van Helden, P. and Van Steen, E.W.J. 2007. Surface energy estimation of catalytically relevant fcc Transition metals using DFT calculations on Nanorods. Journal of Physical Chemistry, 111(13): 4998-5005.


Van der Westhuizen, A.P. and Deglon, D.A. 2007. Evaluation of solids suspension in a pilot-scale mechanical flotation cell. Minerals Engineering, 20(3): 233-240.


Van Steen, E.W.J., Viljoen, E. and Claeys, M.C. 2007. A DFT study on the acidity of Mo-O-Al-clusters. Journal of Molecular Catalysis A-Chemical, 266(1-2): 254-259.


Von Blottnitz, H. and Curran, M.-A. 2007. A review of assessments conducted on bio-ethanol as a transportation fuel from a net energy, greenhouse gas, and environmental life cycle perspective. Journal of Cleaner Production, 15(1): 607-619.


Welz, M. and Deglon, D.A. 2007. Oil removal from industrial wastewater using flotation in a mechanically agitated flotation cell. Water SA, 33(4): 453-458.


Wiese, J.G., Harris, P.J. and Bradshaw, D.J. 2007. The response of sulphide and gangue minerals in selected Merensky ores to increased depressant dosages. Minerals Engineering, 20(1): 986-995.


Zhang, Y. and Lewis, A.E. 2007. Effect of crystallisation on the reaction kinetics of nickel reduction by hydrogen. Chemical Engineering Science, 61(12): 4120-4125.


Peer-reviewed published conference proceedings


Case, J.M. 2007. Rethinking identity at the core of scientific and technological literacies: Insights from engineering education and research in South Africa. Proceedings of the Linnaeus Tercentenary Symposium, 28-29 May 2007, Uppsala University, Sweden, pp. 95-99. ISBN 978-91-633-1892.


Harrison, S.T.L., Coram-Uliana, N., Ntshabele, K.C., and Van Hille, R.P. 2007. The effect of multiple stresses on sulfolobus-like cultures in bioleaching systems: Super-imposing stress responses to metal concentration and solids loading. In A. Schippers, W. Sand, F. Glombitza and S. Willscher (eds), Proceedings of the 17th International Biohydrometallurgy Symposium, 2-5 September 2007, Frankfurt, Germany. Switzerland: Trans Tech Publications Ltd. ISBN 1022-6680.


Hove, M., Van Hille, R.P. and Lewis, A.E. 2007. The effect of different types of seeds on the oxidation and precipitation of iron from homogenous solutions. In A.E. Lewis and C. Olsen (eds), Proceedings of BIWIC 2007 14th International Workshop on Industrial Crystallization, 9-11 September 2007, Cape Town. Netherlands: IOS Press. ISBN 978-1-58603-790-1.


Hughes, M. and Moller, K.P. 2006. Integration of an external side reactor into a distillation column. Proceedings of the South African Chemical Engineering Congress 2006, 20-22 September 2006, Durban. SAIChE. ISBN 1 86840 616 4.


Isafiade, A. and Fraser, D. 2007. Interval based MINLP superstructure synthesis of heat exchange networks. Proceedings of Pres-07, June 2007, Naples, Italy, Vol. 12, pp. 285-290. Italy: AIDIC: The Italian Association of Chemical Engineering. ISBN 88-901915-4-6.


Kazadi, T.K. and Petersen, J. 2007. Kinetic measurement of biological oxidation of ferrous iron at low ferric to ferrous ratios in a controlled potential batch reactor. In A. Schippers, W. Sand, F. Glombitza and S. Willscher (eds), Proceedings of the 17th International Biohydrometallurgy Symposium, 2-5 September 2007, Frankfurt, Germany. Switzerland: Trans Tech Publications Ltd. ISBN 1022-6680.


Long, T., Wilkinson, A.J., Randall, E.W. and Sutherland, A.P.N. 2007. An online real-time velocity profiling system using electrical resistance tomography. Proceedings of the 5th World Congress on Industrial Process Tomography, 3-6 September 2007, Bergen, Norway. Universitas Bergensis. CD-ROM. ISBN 978 085316 265 0.


Louw, M., Nicolls, F. and Bradshaw, D.J. 2007. A comparison of iterative Bayesian Methods for solving the Sparse Point Correspondence problem. In J.R. Tapamo and F. Nicolls (eds), Proceedings of Pattern Recognition Association of South Africa, 28-30 November 2007, Pietermaritzburg, South Africa. Pattern Recognition Association of South Africa. ISBN 978-1-86840-656-2.


Ntuli, F. and Lewis, A.E. 2007. Precipitation kinetics of nickel in the presence of iron. Proceedings of the BIWIC 2007 14th International Workshop on Industrial Crystallization, 9-11 September 2007, University of Cape Town, Cape Town, South Africa. Netherlands: IOS Press. ISBN 978-1-58603-790-1.


Ntuli, F. and Lewis, A.E. 2007. Precipitation kinetics of nickel in the presence of iron. In A.E. Lewis and C. Olsen (eds), Proceedings of the BIWIC 2007 14th International Workshop on Industrial Crystallization, 9-11 September 2007, Cape Town. Netherlands: IOS Press. ISBN 978-1-58603-790-1.


Ojumu, T., Petersen, J. and Hansford, G.S. 2007. The effect of aluminium and magnesium sulphate on the rate of ferrous iron oxidation by leptospirillum ferriphilum in continuous culture. In A. Schippers, W. Sand, F. Glombitza and S. Willscher (eds), Proceedings of the 17th International Biohydrometallurgy Symposium, 2-5 September 2007, Frankfurt, Germany. Switzerland: Trans Tech Publications Ltd. ISBN 1022-6680.


Oyekola, O., Van Hille, R.P. and Harrison, S.T.L. 2007. Effect of sulphate concentration on the community structure and activity of sulphate reducing bacteria. In A. Schippers, W. Sand, F. Glombitza and S. Willscher (eds), Proceedings of the 17th International Biohydrometallurgy Symposium, 2-5 September 2007, Frankfurt, Germany. Switzerland: Trans Tech Publications Ltd. ISBN 1022-6680.


Petersen, J. and Ojumu, T. 2007. The effect of total iron concentration and iron speciation on the rate of ferrous iron oxidation kinetics of leptospirillum ferriphilum in continuous tank systems. In A. Schippers, W. Sand, F. Glombitza and S. Willscher (eds), Proceedings of the 17th International Biohydrometallurgy Symposium, 2-5 September 2007, Frankfurt, Germany. Switzerland: Trans Tech Publications Ltd. ISBN 1022-6680.


Randall, E.W., Long, T. and Salkinder, J. 2007. System design for the control of a tomography instrument via an IP link. Proceedings of the 5th World Congress on Industrial Process Tomography, 3-6 September 2007, Bergen, Norway. Universitas Bergensis. CD-ROM. ISBN 978 085316 265 0.


Thyse, E.L., Eksteen, J.J., Bepswa, P. and Deglon, D.A. 2007. An integrated mineral processing pilot-plant practical programme designed for heavy mineral sands beneficiation. Proceedings of Heavy Minerals 2007, 10-14 September. The Southern African Institute of Mining and Metallurgy. ISBN 978-1-920211-07-3


Van Hille, R.P., Spurr, N. and Harrison, S.T.L. 2007. The effect of fluid flow on inoculation and leaching of chalcopyrite in a simulated packed bed reactor. In A. Schippers, W. Sand, F. Glombitza and S. Willscher (eds), Proceedings of the 17th International Biohydrometallurgy Symposium, 2-5 September 2007, Frankfurt, Germany. Switzerland: Trans Tech Publications Ltd. ISBN 1022-6680.


^ Contact Details


Telephone: +27 21 650 2509

Fax: +27 21 650 5501

E-mail: Debbie.DeJager@uct.ac.za

Web: http://www.chemeng.uct.ac.za/







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