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Mineral Bioprocess Engineering - Publications

Journal Articles:

  • Van Zyl, AW; Harrison, STL; van Hille, RP. 2017. Determining an effective operating window for a thiocyanate-degrading mixed microbial community. Journal of Environmental Chemical Engineering, Volume 5 (1) Pages 660-666. http://dx.doi.org/10.1016/j.jece.2016.12.046
  • Fagan-Endres, MA; Cilliers, J.J; Sederman, AJ; Harrison, STL. 2017. Spatial variations in leaching of a low-grade, low-porosity chalcopyrite ore identified using X-ray μCT. Minerals Engineering, Volume 105, Pages 63-68. http://dx.doi.org/10.1016/j.mineng.2017.01.010 
  • Rahman, SF; Kantor, RS; Huddy, R; Thomas, BC; Van Zyl, AW; Harrison, STL; Banfield, JF. Genome-resolved metagenomics of a bioremediation system for degradation of thiocyanate in mine water containing suspended solid tailings. MicrobiologyOpen 2017; 1–9. http://dx.doi.org/10.1002/mbo3.446
  • Govender-Opitz, E; Kotsiopoulos, A; Fagan-Endres, M; Harrison, STL. 2017, Insight into solute and microbial transport in heap (bio)leaching systems using residence time distribution. Hydrometallurgy, vol. 168, pp. 1-6. http://dx.doi.org/10.1016/j.hydromet.2016.10.002
  • Makaula, D.X., Huddy, R.J., Fagan-Endres, M.A. & Harrison, S.T.L. 2017, "Using isothermal microcalorimetry to measure the metabolic activity of the mineral-associated microbial community in bioleaching", Minerals Engineering, vol. 106, pp. 33-38. http://dx.doi.org/10.1016/j.mineng.2016.12.012
  • Kantor R.S., Huddy R.J., Iyer R., Thomas B.C., Brown C.T., Anantharaman K., Tringe S., Hettich R.L., Harrison S.T.L. and Banfield J.F. 2017. Genome-resolved meta-omics ties microbial dynamics to process performance in biotechnology for thiocyanate degradation.  Environmental Science and Technology, Volume 51, pp 2944-2953.  http://pubs.acs.org/doi/pdf/10.1021/acs.est.6b04477
  • Bryan C.G., Watkin E.L., McCredden T.J., Wong Z.R., Harrison S.T.L., Kaksonen A.H. (2015). The use of pyrite as a source of lixiviant in the bioleaching of electronic waste. Hydrometallurgy, Volume 152, Pages 33–43. http://dx.doi.org/10.1016/j.hydromet.2014.12.004
  • Govender E, Bryan CG, Harrison STL, Effect of physico-chemical and operating conditions on the growth and activity of Acidithiobacillus ferrooxidans in a simulated heap bioleaching environment, Minerals Engineering, Volume 75, (1 May 2015), Pages 14-25, http://dx.doi.org/10.1016/j.mineng.2015.02.006
  • Govender E., Bryan C.G., Harrison S.T.L. (2015). A novel experimental system for the study of microbial ecology and mineral leaching within a simulated agglomerate-scale heap bioleaching system. Biochemical Engineering Journal, Volume 95, Pages 86–97. http://dx.doi.org/10.1016/j.bej.2014.12.001
  • Ngoma IE, Ojumu TV, Harrison STL, (2015), Investigating the effect of acid stress on selected mesophilic micro-organisms implicated in bioleaching, Minerals Engineering, Volume 75, 1 May 2015, Pages 6-13, http://dx.doi.org/10.1016/j.mineng.2015.02.007
  • van Hille Robert P., Emma Dawson, Catherine Edward, Susan T.L. Harrison, Effect of thiocyanate on BIOX® organisms: Inhibition and adaptation, Minerals Engineering, Volume 75, (1 May 2015), Pages 110-115, ISSN 0892-6875, http://dx.doi.org/10.1016/j.mineng.2014.09.017
  • Fagan-Endres M.A., Harrison S.T.L., Johns M.L., Sederman A.J. (2015)  Magnetic resonance imaging characterisation of the influence of flowrate on liquid distribution in drip irrigated heap leaching.  Hydrometallurgy, 158, pp. 157-164.  http://dx.doi.org/10.1016/j.hydromet.2015.10.003  
     
  • Huddy RJ, van Zyl AW, van Hille RP, Harrison STL, Characterisation of the complex microbial community associated with the ASTER™ thiocyanate biodegradation system, Minerals Engineering, Volume 76, 15 May 2015, Pages 65-71, http://dx.doi.org/10.1016/j.mineng.2014.12.011
     
  • Kantor, R. S., van Zyl, A. W., van Hille, R. P., Thomas, B. C., Harrison, S. T. L. and Banfield, J. F. (2015), Bioreactor microbial ecosystems for thiocyanate and cyanide degradation unravelled with genome-resolved metagenomics. Environmental Microbiology, 17(12), 4929–4941 http://dx.doi.org/10.1111/1462-2920.12936 
     
  • Ngoma IE, Ojumu TV, Harrison STL,  2015,  Investigating the effect of acid stress on selected mesophilic micro-organisms implicated in bioleaching, Minerals Engineering, Volume 75, 1 May 2015, Pages 6-13, http://dx.doi.org/10.1016/j.mineng.2015.02.007
     
  • Van Hille RP, Dawson E, Edward C, Harrison STL. 2015. Effect of thiocyanate on BIOX® organisms: Inhibition and adaptation. Minerals Engineering, Volume 75, 1 May 2015, Pages 110-115, ISSN 0892-6875, http://dx.doi.org/10.1016/j.mineng.2014.09.017
     
  • Van Zyl AW, Huddy RJ, Harrison STL, van Hille RP. Evaluation of the ASTERTM process in the presence of suspended solids, Minerals Engineering, Volume 76, 15 May 2015, Pages 72-80, ISSN 0892-6875, http://dx.doi.org/10.1016/j.mineng.2014.11.007 
     
  • Petersen J. Heap leaching as a key technology for recovery of values from low-grade ores – a brief overview. Hydrometallurgy, doi: 10.1016/j.hydromet.2015.09.001 
  • Tupikina OV, Minnaar SH, Rautenbach GF, Dew DW, and Harrison STL. 2014, “Effect of inoculum size on the rates of whole ore colonisation of mesophilic, moderate thermophilic and thermophilic acidophiles”, Hydrometallurgy, 149 (2014) 244–251. http://dx.doi.org/10.1016/j.hydromet.2013.10.010
     
  • Meissner, M.P., Xu, Z., Jones, G.C., Minnaar, S.H. & Harrison, S.T.L. (2014). A novel microwell-based analytical technique for studying ferrous iron biooxidation activity", Minerals Engineering, vol. 60, pp. 8-13. [Impact factor 1.352]. http://dx.doi.org/10.1016/j.mineng.2014.01.012
  • Govender E., Kotsiopoulos A., Bryan C.G., Harrison S.T.L. (2014) Modelling microbial transport in simulated low-grade heap bioleaching systems: The biomass transport model. Hydrometallurgy 150 Pages 299-307. http://dx.doi.org/10.1016/j.hydromet.2014.09.012
  • Fagan MA, Ngoma IE, Chiume RA, Minnaar SH, Sederman AJ, Johns ML and Harrison STL. 2014. MRI and gravimetric studies of hydrology in drip irricated heaps and its effect on the propagation of bioleaching micro-organisms. Hydrometallurgy. volume 150. pp 210-22. http://dx.doi.org/10.1016/j.hydromet.2014.04.022
  • Tupikina O.V., Minnaar S.H., Rautenbach G.F., Dew D.W. and Harrison S.T.L. (2014). Effect of inoculum size on the rates of whole ore colonisation of mesophilic, moderate thermophilic and thermophilic acidophiles. Hydrometallurgy (accepted). [Impact factor 2.169]
  • Tupikina O.V., Minnaar S.H., van Hille R.P., van Wyk N., Rautenbach G.F., Dew D. and Harrison S.T.L. (2013). Determining the effect of acid stress on the persistence and growth of thermophilic microbial species after mesophilic colonisation of low grade ore in a heap leach environment. Minerals Engineering 53, 152-159. [Impact factor 1.207].
  • Harding K.G., Dennis J.S. and Harrison S.T.L. Generic flowsheeting approach to generating first estimate material and energy balance data for Life Cycle Assessment (LCA) of Penicillin V production. Journal of Biotechnology. (accepted). [Impact factor 3.183].
  • Meissner M.P., Xu Z., Jones G.C., Minnaar S.H. and Harrison S.T.L. A novel microwell-based analytical technique for studying ferrous iron biooxidation activity. Minerals Engineering 60: 8-13.
  • Africa, Cindy-Jade; Robert P. van Hille, Susan T. L. Harrison. (2012). Attachment of Acidithiobacillus ferrooxidans and eptospirillum ferriphilum cultured under varying conditions to pyrite, chalcopyrite, low-grade ore and quartz in a packed column reactor. Applied Microbiology and Biotechnology. http://dx.doi.org/10.1007/s00253-012-3939-x
  • Africa C-J; van Hille RP, Sand W and Harrison STL. (2013). Investigation and in situ visualisation of interfacial interactions of thermophilic microorganisms with metal-sulphides in a simulated heap environment. Minerals Engineering (July 2013) 48: 100–107. http://dx.doi.org/10.1016/j.mineng.2012.09.011
  • Chimbganda T, Becker M, Broadhurst JL, Harrison STL and Franzidis, J.-P. 2013. A comparison of pyrrhotite rejection and passivation in two nickel ores. Minerals Engineering (2013) 46-47: 38-44. http://dx.doi.org/10.1016/j.mineng.2013.03.031
  • Fagan MA, Sederman AJ, Harrison STL and Johns ML. (2013). Phase distribution identification in the column leaching of low grade ores using MRI. Minerals Engineering (July 2013) 48: 94-99. http://dx.doi.org/10.1016/j.mineng.2012.10.005
  • Ghorbani,Y; Becker, M; Petersen, J; Franzidis, J-P. (2013). Investigation of the effect of mineralogy as rate-limiting factors in large particle leaching. Minerals Engineering (October 2013) 52:38–51. http://dx.doi.org/10.1016/j.mineng.2013.03.006
  • Ghorbani Y, Petersen J, Becker M, Mainza AN, Franzidis J-P and Kalala JT. (2013). Investigation of particles with high crack density produced by HPGR and its effect on the redistribution of the particle size fraction in heaps. Minerals Engineering (April 2013) 43–44: 44–51. http://dx.doi.org/10.1016/j.mineng.2012.08.01
  • Ghorbani Y, Petersen J, Becker M, Mainza AN and Franzidis J-P. (2013). Investigation and modelling of the progression of zinc leaching from large sphalerite ore particles. Hydrometallurgy (January 2013) 131: 8-23. http://dx.doi.org/10.1016/j.hydromet.2012.10.004
  • Govender E, Bryan CG, Harrison STL. (2013). Quantification of growth and colonisation of law grade suphidic ores by acidophilic chemoautotrophs using a novel experimental system. Minerals Engineering (July 2013) 48: 108–115. http://dx.doi.org/10.1016/j.mineng.2012.09.010
  • Jones GC, Becker M, van Hille R P and Harrison STL. 2013. The effect of sulfide concentrate mineralogy and texture on Reactive Oxygen Species (ROS) generation. Applied Geochemistry (February 2013) 29: 199–213. http://dx.doi.org/10.1016/j.apgeochem.2012.11.015
  • Jones GC, van Hille RP and Harrison STL. (2013). Reactive oxygen species generated in the presence of fine pyrite particles and its implication in thermophilic mineral bioleaching. Applied Microbiology Biotechnology (2013) 97:6: 2735–2742. http://dx.doi.org/10.1007/s00253-012-4116-y
  • Tupikina OV, Minnaar SH, Van Hille RP, Van Wyk N, Rautenbach, GF, Dew D and Harrison STL. Determining the effect of acid stress on the persistence and growth of thermophilic microbial species after mesophilic colonisation of low grade ore in a heap leach environment. Minerals Engineering (2013) 53: 152-159. http://dx.doi.org/10.1016/j.mineng.2013.07.015
  • Ahmadi A, Ranjbar M, Schaffie M and Petersen J. (2012). Kinetic modeling of bioleaching of copper sulfide concentrates in conventional and electrochemically controlled systems. Hydrometallurgy (October 2012) 127–128: 16-23. http://dx.doi.org/10.1016/j.hydromet.2012.06.010
  • Bryan, C.G.; C.S. Davis-Belmar, N. van Wyk, M.K. Fraser, D. Dew, G.F Rautenbach, S.T.L. Harrison. (2012). The Effect of CO2 Availability on the Growth, Iron Oxidation and CO2-Fixation Rates of Pure Cultures of Leptospirillum ferriphilum and Acidithiobacillus ferrooxidans.Biotechnology and Bioengineering 109(7), pages 1693-1703.http://dx.doi.org/10.1002/bit.24453
  • Chiume R, Minnaar S, Ngoma E, Bryan C and Harrison STL. 2012. Microbial colonisation in heaps for mineral bioleaching and the influence of irrigation rate. Minerals Engineering (2012) 39: 156–164. http://dx.doi.org/10.1016/j.mineng.2012.07.002
  • Ghorbani Y, Petersen J, Harrison STL, Tupikina OV, Becker M, Mainza AN and Franzidis J-P. 2012. An experimental study of the long-term bioleaching of large sphalerite ore particles in a circulating fluid fixed-bed reactor. Hydrometallurgy (2012) 129–130: 161–171. http://dx.doi.org/10.1016/j.hydromet.2012.07.009
  • Govender E; Harrison STL; Bryan CG. (2012). Modification of the ferric chloride assay for the spectrophotometric determination of ferric and total iron in acidic solutions containing high concentrations of copper. Minerals Engineering, Volume 35, August 2012, Pages 46-48. http://dx.doi.org/10.1016/j.mineng.2012.05.006
  • Jones, G. C.; R. P. van Hille; S. T. L. Harrison. (2012). Reactive oxygen species generated in the presence of fine pyrite particles and its implication in thermophilic mineral bioleaching. http://dx.doi.org/10.1007/s00253-012-4116-y
  • Tupikina OV., Minnaar SH., Rautenbach GF, Dew DW and Harrison STL. (2012). Effect of inoculum size on the rates of whole ore colonisation of mesophilic, moderate thermophilic and thermophilic acidophiles.
  • Chiume R, Minnaar S, Ngoma E, Bryan C, Harrison STL. (2012). Microbial colonisation in heaps for mineral bioleaching and the influence of irrigation rate. Minerals Engineering Volume 39 (2012) 156–164.http://dx.doi.org/10.1016/j.mineng.2012.07.002
  • Ghorbani Y, Petersen J, Harrison STL, Becker M and Franzidis J-P. (2012). Investigation of the bioleaching of coarse sphalerite ore particles in saturated leach reactors: I. Experimental study.
  • Tupikana O, Ngoma E., Minnaar S and Harrison S T L. (2011). Some aspects of pH effects and acid stress in heap leaching. Minerals Engineering 24 (11), 1209-1214. [Impact factor 1.241].
  • Bromfield L, Africa C-J, Harrison S T L and van Hille R P. (2011). The effect of temperature and culture history on the attachment of Metallosphaera hakonensis to mineral sulphides with application to heap bioleaching. Minerals Engineering24 (11), 1157-1165. [Impact factor 1.241].
  • Jones G C, Corin K C, van Hille P and Harrison S T L.(2011). The generation of toxic reactive oxygen species (ROS) from mechanically activated sulphide concentrates and its effect on thermophilic bioleaching. Minerals Engineering 24 (11), 1198-1208.
  • Yousef Ghorbani, Megan Becker, Aubrey Mainza, Jean-Paul Franzidis, Jochen Petersen: ‘Large particle effects in chemical/biochemical heap leach processes – A review’, Minerals Engineering
  • T.V. Ojumu and J. Petersen. (2011) The kinetics of ferrous-iron oxidation by Leptospirillum ferriphilum in continuous culture: The effect of pH. Hydrometallurgy 106 (1-2), pp. 5-11
  • Ali Ahmadi , Mahin Schaffie, Jochen Petersen, Axel Schippers, Mohammad Ranjbar. (2011) Conventional and electrochemical bioleaching of Sarcheshmeh chalcopyrite concentrate by moderately thermophile bacteria at high pulp density; Hydrometallurgy 106 : 84–92
  • M. Soleimani, J. Petersen, R. Roostaazad, S. Hosseini, S.M. Mousavi, A. Najafi, A.K. Vasiri (2011). Leaching of a zinc ore and concentrate using the Geocoat™ technology. Minerals Engineering 24, 64-69.
  • van Hille R P, van Zyl A W, Spurr N and Harrison S T L (2010). Investigating heap leaching – the effect of feed iron concentration on bioleaching performance. Minerals Engineering 23, 518-525. [Impact factor 1.333]
  • Africa C J, Harrison S T L, Becker M and van Hille R P (2010). In situ investigation and visualisation of microbial attachment and colonisation in a heap bioleach environment: the novel biofilm reactor. Minerals Engineering, 23, 486-491.
  • J. Petersen, S.H. Minaar, C.A. du Plessis. (2010). Carbon dioxide and oxygen consumption during the bioleachingof a copper ore in a large isothermal column. Hydrometallurgy 104, 356-362.
  • J. Petersen (2010). Modelling of bioleach processes. Connection between science and engineering. Hydrometallurgy104, 404-409
  • J. Petersen (2010) Determination of oxygen gas-liquid mass transfer rates in heap bioleach reactors. Minerals Engineering 23 (6), 504-510.
  • Africa C-J, van Hille R P and Harrison S T L (2009). Investigation and visualisation of microbial attachment trends to sulphide minerals in a bioleach environment. Proceedings of the 18th International Biohydrometallkurgy Symposium(Eds. Donati ER, Viera MR, Tavani EL, Giaveno MA, Lavalle TL and Chiacchiarini). Trans Tech Publications. pp345 – 348.
  • Jones G, van Hille R P and Harrison S T L (2009). Sulfide mineral induced oxidative stress as a limiting factor in tank bioleaching performance. Proceedings of the 18th International Biohydrometallkurgy Symposium (Eds. Donati ER, Viera MR, Tavani EL, Giaveno MA, Lavalle TL and Chiacchiarini). Trans Tech Publications. pp365 – 348.
  • van Hille R P, Bromfield L.V., Botha S.S., Jones G., van Zyl A.W. and Harrison S T L (2009). The effect of nutrient supplementation on growth and leaching performance of bioleaching bacteria. Proceedings of the 18th International Biohydrometallkurgy Symposium (Eds. Donati ER, Viera MR, Tavani EL, Giaveno MA, Lavalle TL and Chiacchiarini). Trans Tech Publications. pp413 – 416.
  • T.V. Ojumu, G.S. Hansford and J. Petersen (2009). The kinetics of ferrous-iron oxidation by Leptospirillum ferriphilum in continuous culture: The effect of temperature. Biochemical Engineering Journal, 46, pp 161-168.
  • M. Soleimani, S. Hosseini, R.Roostaazad, J. Petersen , S.M. Mousavi, A. Kazemi Vasiri (2009). Microbial leaching of a low-grade sphalerite ore using a draft tube fluidized bed bioreactor. Hydrometallurgy 99, pp 131–136.
  • T.V. Ojumu and J. Petersen. (2009) Kinetics of Microbial Ferrous-iron Oxidation by Leptospirillum ferriphilum: Effect of Ferric-iron on Biomass Growth. Biohydrometallurgy: A Meeting Point Between Microbial Ecology, Metal Recovery Processes and Environmental Remediation, E.R. Donati, M.R. Viera, E.L. Tavani, M.A. Giaveno, T.L. Lavalle and P.A. Chiacchiarini (Eds.), Advanced Materials Research 71-73, Trans Tech Publications Ltd., Zurich (ISSN 1022-6680), pp 259-262
  • Ojumu T, Harrison STL, Hansford GS and Petersen J (2008). Biooxidation kinetics of Leptospirillum ferriphilum under heap bioleach conditions. Proceedings of the 6th Internal Hydrometallurgy Symposium (Editors: Young, Taylor, Anderson and Choi), SME, pp484 - 493.
  • T.V. Ojumu, J. Petersen and G.S. Hansford. (2008). The effect of dissolved cations on microbial ferrous-iron oxidation by Leptospirillum ferriphilum in continuous culture. Hydrometallurgy Vol. 94, 69-76.
  • T. Kamunga Kazadi, J. Petersen. (2008). Kinetic measurement of biological oxidation of ferrous iron at low ferric-to-ferrous ratios in a controlled potential batch reactor. Hydrometallurgy Vol. 94, 48-53.
  • T.V. Ojumu, S.T.L. Harrison, G.S. Hansford and J. Petersen. (2008). Biooxidation kinetics of Leptospirillum ferriphilum under heap bioleach conditions. Hydrometallurgy. Proceedings of the 6th International Symposium, Honoring Robert S. Shoemaker; C.A. Young, P.R. Taylor, C.G. Anderson and Y. Choi (eds.), SME, Littleton, Colorado, USA, 2008, pp 484-491.
  • J. Petersen and T.V. Ojumu. (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. Biohydrometallurgy: from the single cell to the environment (IBS2007); A. Schippers, W. Sand, F. Glombitza, S. Willscher (eds.), Volume 20-21 of Advanced Materials Research, Transtech Publications Ltd. Zurich, pp 447-452.
  • J. Petersen and D.G. Dixon. (2007). Principles, Mechanisms and Dynamics of Chalcocite Heap Bioleaching. Microbial Processing of Metal Sulfides, E.Donati, W. Sand (eds.), Springer Verlag, Berlin, ISBN 978-1-4020-5588-1, pp 193-218.
  • J. Petersen and D.G.Dixon. (2007) Modelling Zinc Heap Bioleaching. Hydrometallurgy. Vol. 85 (2-4), pp 127-143.
  • 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.
  • J. Petersen and D.G. Dixon. (2006). Modeling and Optimisation of Heap Bioleach Processes. Biomining, D.E. Rawlings, D.B. Johnson (Eds.), Springer Verlag, Berlin, ISBN 978-3-540-34909-9, pp 153-176.
  • C. Sheridan, J. Petersen, J. Rohwer, S. Burton. (2006). Engineering Design of Subsurface Flow Constructed Wetlands for the Primary Treatment of Winery Effluent. Proceedings of the 10th International Conference on Wetland Systems for Water Pollution Control, September 23-29, 2006 Lisbon, Portugal, ISBN: 989-20-0361-6, pp 1623-1632.
  • T. Ojumu, J. Petersen, G.E. Searby and G.S. Hansford. (2006). A review of rate equations proposed for microbial ferrous-iron oxidation with a view to application to heap bioleaching. Hydrometallurgy, Vol. 83, No. 1-4, pp 21-28.
  • J. Petersen and D.G. Dixon. (2006). Competitive Bioleaching of Pyrite and Chalcopyrite. Hydrometallurgy. Vol. 83, No. 1-4, pp 40-49.
  • N. Ogbonna, J. Petersen and H. Laurie. (2006). An agglomerate scale model for the heap bioleaching of chaclocite. Transactions. Journal of the South African Institute of Mining and Metallurgy, Vol. 106, No. 6, June 2006, pp 433-442.
  • Coram-Uliana N.J., van Hille R.P., Kohr W.J. and Harrison S.T.L. (2006). Development of a method to assay the microbial population in heap bioleaching operations. Hydrometallurgy 83, 237-244.
  • J. Petersen, H. Watling, D. Dixon, P. Franzmann, J. Plumb, J. Johnson, S. Harrison and G. Hansford. (2005). Progress On The Development Of Comprehensive Understanding And A Model Of Copper Heap Bioleaching – The Amira P768 Project. Hydrocopper 2005, J.M.Menacho, J.M. Casas de Prada (Eds.), ISBN 956-19-0492-6, Santiago, Chile (2005), pp 333-342.
  • N.Ogbonna, J. Petersen and D,G.Dixon. (2005). HeapSim – Unravelling the Mathematics of Heap Bioleaching. Computational Analysis. Hydrometallurgy, 35th Annual Hydrometallurgy Meeting, M.Dry and D.G.Dixon (eds.), MetSoc, Calgary, Canada, 2005, pp 225-240.
  • Coram-Uliana N.J., van Hille R.P., Kohr W.J. and Harrison S.T.L. (2005). Development of a method to assay the microbial population in heap bioleaching operations. Proceedings of the 16th International Biohydrometallurgy Symposium (Eds. Harrison STL, Rawlings DE and Petersen J). pp 647-656.
  • J. Petersen, S.T.L. Harrison, H.R. Watling, P. Franzmann and D.G. Dixon. (2004) Understanding and Optimisation of Heap Bioleach Processes. Colloquium – Innovations in Leaching Technologies, ISBN 1-919-783-62-8, The South African Institute for Mining and Metallurgy, Johannesburg, 2004.
  • HR Watling, PD Franzmann, DJ Readett, D. Dixon and J Petersen. (2004). Progress towards the heap bioleaching of chalcopyrite. Proc. Green Processing (Fremantle, May 2004), AusIMM, Melbourne, 2004, pp 133-139.
  • D.G. Dixon and J.Petersen. (2003). Comprehensive Modelling Study of Chalcocite Column and Heap Bioleaching. Copper 2003 - Volume VI: Hydrometallurgy of Copper (Book 2), P.A. Riveros, D. Dixon, D. Dreisinger, J. Menacho (eds.), CIM, Montreal, Canada, 2003, pp 493-516.
  • J. Petersen and D.G.Dixon. (2003). A Modelling Study of the Dynamics of Sulphide Heap Leach Processes with a View to Improved and Novel Application. Proceedings of the XXII International Mineral Processing Congress; Volume 3, L. Lorenzen, D.J. Bradshaw, C. Aldrich, J.J. Eksteen, M. Wright and E. Thom (eds.), SAIMM, Marshalltown, South Africa, 2003, pp 1231-1240.
  • J.Petersen and D.Dixon. (2003). Bacterial Growth and Propagation in Chalcocite Heap Bioleach Scenarios.Biohydrometallurgy – A Sustainable Technology in Evolution, IBS 2003; M. Tzesos, A. Hatzikioseyan, E. Remoundaki (eds.), National Technical University of Athens, Greece, ISBN 960-88415-0-X, 2004, pp 65-74.
  • J. Petersen and D.G.Dixon. (2003). Dynamics of Chalcocite Bio-heap Leaching. Hydrometallurgy 2003, Proceedings of the 5th International Symposium Honoring Professor Ian M. Ritchie, Volume 1, C.Young, A. Alfantazi, C. Anderson, A. James, D. Dreisinger, B. Harris (eds.), TMS Publishers., Warrendale, PA, 2003, pp 351-364.
  • Sissing A and Harrison S T L (2003). Thermophilic mineral bioleaching performance: a compromise between maximising mineral loading and maximising microbial growth and activity. SAIMM Journal, March 2003, 1-4.
  • Harrison STL, Sissing A, Raja S, Pearce SJA, Lamaignere V and Nemati M (2003). Solids loading in the bioleach slurry reactor: mechanisms through which particulate parameters influence slurry bioreactor performance. Biohydrometallurgy: a sustainable technology in evolution. Proceedings of the 15th International Biohydrometallurgy Symposium, pp359-375.
  • Harrison STL, Sissing A, Raja S and Nemati M (2003). Identifying and quantifying biological responses of Sulfolobus to high pulp densities in the slurry bioleach reactor. Proceedings of IMPC (ed. Lorenzen, Bradshaw and Thom).
  • J.Petersen and D.G.Dixon. (2002). Systematic Modelling of Heap Leach Processes for Optimisation and Design. EPD Congress 2002, P.R.Taylor (ed.), TMS Publishers, Warrendale, PA, 2002, pp 757-771.
  • J.Petersen and D.G.Dixon (2002). Thermophilic Heap Leaching of a Chalcopyrite Concentrate. Minerals Engineering, Vol. 15 (11), 2002, pp 777-785.
  • A.Tshilombo, J.Petersen and D.G. Dixon (2002) . The Influence of Applied Potentials and Temperature on the Electrochemical Response of Chalcopyrite in Bacterial Leaching. Minerals Engineering, Vol. 15 (11), pp 809-813.
  • J. Petersen, D.G. Dixon, M. Timmins and R. Ruitenberg. (2001). Batch Reactor Studies of the Leaching of Pyrite/Chalcopyrite Concentrate Using Thermophilic Bacteria. BioHydrometallurgy: Fundamentals, Technology and Sustainable Development (IBS 2001) V.S.T. Ciminelli and O.Garcia Jr. (eds.), Elsevier, Amsterdam, 2001, PartA, pp. 525-533.
  • Nemati, M, Lowenadler, J, Harrison S T L (2000). Particle effects in bioleaching of pyrite by acidophilic thermophile Sulfolobus metallicus. Appl. Microbiol. Biotechnol., 53, 173 – 179.
  • Nemati M and Harrison S T L (2000). A comparative study on thermophilic and mesophilic biooxidation of ferrous iron.Minerals Engineering, 13 (1), 19 - 24. [Impact factor 0.939]
  • Nemati M and Harrison S T L (2000). Effect of solid loading on thermophilic bioleaching of sulphide minerals. J. Chem. Technol. Biotechnol., 75, 1-7.
  • Nemati M and Harrison S T L (1999). Effects of solid particles on thermophilic bioleaching of sulphide minerals. Biohydrometallurgy and the environment toward the mining of the 21st century. Part A. (ed. R Amils & A Ballester), pp 473-482.
  • Nemati, M, Harrison, S T L, Hansford, G S and Webb, C (1998). Biological oxidation of ferrous sulphate by Thiobacillus ferroxidans: a review on the kinetic aspects. Biochemical Engineering Journal, 1, 171-190.
  • Breed A W, Harrison S T L and Hansford G S (1997). A preliminary investigation of the ferric leaching of a pyrite/arsenopyrite flotation concentrate. Minerals Engineering, 10 (9), 1023-1030.
  • Breed A W, Glatz A, Hansford G S and Harrison S T L (1996) The effect of As(III) and As(V) on the batch bioleaching of a pyrite-arsenopyrite concentrate. Minerals Engineering, 9 (12), 1235-1252.

 

Book Chapters:

  • Harrison STL (2016). Biotechnologies that use acidophiles. In Acidophiles: life in extremely acidic environments (ed. Johnson and Quatrini), Ch 16. Caister Academic Press, U.K. (in press).

 

Conference proceedings:

  • Huddy R., Kantor R., van Zyl A.W., van Hille R.P., Banfield J. and Harrison S.T.L. (2015). Analysis of the microbial community associated with a bioprocess system for bioremediation of thiocyanate- and cyanide-laden mine water effluents. Advanced Materials Research, Biotechnologies in Mining Industry and Environmental Engineering, Volume 1130, 614-617. http://dx.doi.org/10.4028/www.scientific.net/AMR.1130.614 (International Biohydrometallurgy Symposium, 5-9 October 2015, Bali.)
  • Govender E., Kotsiopoulos A and Harrison S.T.L. (2015). A study of permeability and diffusion at the agglomerate-scale in heap (bio)leaching systems. Advanced Materials Research, Biotechnologies in Mining Industry and Environmental Engineering, Volume 1130, 316-320. http://dx.doi.org/10.4028/www.scientific.net/AMR.1130.316 (International Biohydrometallurgy Symposium, October 2015, Bali.)
  • Dean J., van Hille R.P. and Harrison S.T.L. (2015). The microbial ecology of moderately thermophilic mineral leaching reactors: the effect of solids loading and organic carbon supplementation on reactor performance. Advanced Materials Research, Biotechnologies in Mining Industry and Environmental Engineering, Volume 1130, 427-430. http://dx.doi.org/10.4028/www.scientific.net/AMR.1130.427 (International Biohydrometallurgy Symposium, October 2015, Bali.)
  • Fagan MA, Ngoma E, Chiume RA and Harrison STL (2014). Liquid distribution in drip irrigated heap bioleaching of ore and its influence on microbial colonization. Proceedings of 27th International Mineral Processing Congress, Santiago Chile, Paper 562.