Sustainable Minerals Institute

Professor Quentin Campbell

Professorial Research Fellow
JKMRC
View researcher profile
Professor Quentin Campbell

Publications

Journal Articles (31)
Conference Papers (15)

Journal Articles

Hughes, Nikki, Roux, Marco le, Peter Campbell, Quentin and Nakhaei, Fardis (2024). A review of the dry methods available for coal beneficiation. Minerals Engineering, 216 108847, 108847-216. doi: 10.1016/j.mineng.2024.108847
Snyman, C., le Roux, M., Campbell, Q. P. and Engelbrecht, S. (2023). Contact sorption drying of chromite concentrates. Journal of the Southern African Institute of Mining and Metallurgy, 123 (10), 479-482. doi: 10.17159/2411-9717/2299/2023
Stone, D., Campbell, Q. P., le Roux, M. and Fofana, M. (2023). Assessment of coal washability data obtained via the RhoVol analyser. Journal of the Southern African Institute of Mining and Metallurgy, 123 (10), 509-512. doi: 10.17159/2411-9717/1047/2023
Nakhaei, F., Campbell, Q. P., le Roux, M. and Botlhoko, S. (2022). Estimation of coal density using a 3D imaging system: RhoVol. Journal of the Southern African Institute of Mining and Metallurgy, 122 (8), 443-449. doi: 10.17159/2411-9717/2004/2022
Akdogan, G., Bradshaw, S., Dorfling, C., Bergmann, C., Ghosh, T. and Campbell, Q. (2022). Characterization of rare earth elements by XRT sorting products of a South African coal seam. International Journal of Coal Preparation and Utilization, 42 (4), 1071-1087. doi: 10.1080/19392699.2019.1685506
Campbell, Quentin Peter, le Roux, Marco and Nakhaei, Fardis (2021). Coal moisture variations in response to rainfall events in mine and coal-fired power plant stockpiles—part 2: evaporation. Minerals, 11 (12) 1366, 1-8. doi: 10.3390/min11121366
Campbell, Quentin Peter, le Roux, Marco and Nakhaei, Fardis (2021). Coal moisture variations in response to rainfall event in mines and coal-fired power plant stockpiles—part 1: runoff, infiltration, and drainage. Minerals, 11 (12) 1365, 1-15. doi: 10.3390/min11121365
Van Rensburg, M. J., Le Roux, M., Campbell, Q. P. and Peters, E. S. (2020). Contact sorption: a method to reduce the moisture content of coal fines. International Journal of Coal Preparation and Utilization, 40 (4-5), 266-280. doi: 10.1080/19392699.2018.1541895
Rautenbach, R., Strydom, C. A., Bunt, J. R., Matjie, R. H., Campbell, Q. P. and Van Alphen, C. (2019). Mineralogical, chemical, and petrographic properties of selected South African power stations’ feed coals and their corresponding density separated fractions using float-sink and reflux classification methods. International Journal of Coal Preparation and Utilization, 39 (8), 421-446. doi: 10.1080/19392699.2018.1533551
Mathews, Jonathan P., Campbell, Quentin P., Xu, Hao and Halleck, Phillip (2017). A review of the application of X-ray computed tomography to the study of coal. Fuel, 209, 10-24. doi: 10.1016/j.fuel.2017.07.079
Viljoen, Jacob, Campbell, Quentin Peter, le Roux, Marco and Hoffman, Jakobus Willem (2017). The influence of bedding-plane orientation on the degradation characteristics of a South African Waterberg coal. International Journal of Coal Preparation and Utilization, 37 (4), 179-194. doi: 10.1080/19392699.2016.1143369
De Goede, J., Muller, B., Campbell, Q. P., Le Roux, M. and Espag De Klerk, C. B. (2016). The effect of particle size on the rate and depth of moisture evaporation from coal stockpiles. Journal of the Southern African Institute of Mining and Metallurgy, 116 (4), 353-355.
Strydom, C. A., Campbell, Q. P., Le Roux, M. and Du Preez, S. M. (2016). Validation of Using a Modified BET Model to Predict the Moisture Adsorption Behavior of Bituminous Coal. International Journal of Coal Preparation and Utilization, 36 (1), 28-43. doi: 10.1080/19392699.2015.1049264
Campbell, Q. P., Le Roux, M. and Smith, I. G.T. (2015). Water-only laboratory coal fractionation using the reflux classifier. Minerals Engineering, 83, 59-63. doi: 10.1016/j.mineng.2015.08.015
Viljoen, Jacob, Campbell, Quentin P., Le Roux, Marco and Hoffman, Jakobus (2015). The qualification of coal degradation with the aid of micro-focus computed tomography. South African Journal of Science, 111 (9-10). doi: 10.17159/sajs.2015/20140025
Glastonbury, R. I., Beukes, J. P., Van Zyl, P. G., Sadiki, L. N., Jordaan, A., Campbell, Q. P., Stewart, H. M. and Dawson, N. F. (2015). Comparison of physical properties of oxidative sintered pellets produced with UG2 or metallurgicalgrade South African chromite: a case study. Journal of the Southern African Institute of Mining and Metallurgy, 115 (8), 699-706. doi: 10.17159/2411-9717/2015/v115n8a6
Le Roux, M., Campbell, Q. P., Van Rensburg, M. J., Peters, E. S. and Stiglingh, C. (2015). Air drying of fine coal in a fluidized bed. Journal of the Southern African Institute of Mining and Metallurgy, 115 (4), 335-338. doi: 10.17159/2411-9717/2015/v115n4a10
Viljoen, Jacob, Campbell, Quentin Peter, Le Roux, Marco and De Beer, Frikkie (2015). An analysis of the slow compression breakage of coal using microfocus X-ray computed tomography. International Journal of Coal Preparation and Utilization, 35 (1), 1-13. doi: 10.1080/19392699.2014.907283
Le Roux, M., Campbell, Q. P. and Van Rensburg, M. J. (2014). Fine coal dewatering using high airflow. International Journal of Coal Preparation and Utilization, 34 (3-4), 220-227. doi: 10.1080/19392699.2014.869939
Campbell, Q. P., Barnardo, M. D. and Bunt, J. R. (2013). Moisture adsorption and desorption characteristics of some South African coals. Journal of the Southern African Institute of Mining and Metallurgy, 113 (11), 803-807.
Le Roux, M., Campbell, Q. P. and Smit, W. (2012). Large-scale design and testing of an improved fine coal dewatering system. Journal of the Southern African Institute of Mining and Metallurgy, 112 (7), 673-676.
Campbell, Q. P., Bunt, J. R., Kasaini, H. and Kruger, D. J. (2012). The preparation of activated carbon from South African coal. Journal of the Southern African Institute of Mining and Metallurgy, 112 (1), 37-44.
Campbell, Q. P., Bunt, J. R. and De Waal, F. (2010). Investigation of lump coal agglomeration in a non-pressurized reactor. Journal of Analytical and Applied Pyrolysis, 89 (2), 271-277. doi: 10.1016/j.jaap.2010.09.004
Le Roux, M., Campbell, Q. P., Watermeyer, M. S. and De Oliveira, S. (2005). The optimization of an improved method of fine coal dewatering. Minerals Engineering, 18 (9), 931-934. doi: 10.1016/j.mineng.2005.01.033
Le Roux, M. and Campbell, Q. P. (2003). An investigation into an improved method of fine coal dewatering. Minerals Engineering, 16 (10), 999-1003. doi: 10.1016/j.mineng.2003.08.004
Van der Merwe, D. and Campbell, Q. P. (2002). An investigation into the moisture absorption properties of thermally dried South African fine coal. Journal of The South African Institute of Mining and Metallurgy, 102 (7), 417-419.
Eyre, D., Everson, R. C. and Campbell, Q. P. (1998). New parameterization for a discrete batch grinding equation. Powder Technology, 98 (3), 265-272. doi: 10.1016/S0032-5910(98)00068-0
Svoboda, J., Coetzee, C. and Campbell, Q. P. (1998). Experimental investigation into the application of a magnetic cyclone for dense medium separation. Minerals Engineering, 11 (6), 501-509. doi: 10.1016/s0892-6875(98)00032-6
Everson, R. C., Eyre, D. and Campbell, Q. P. (1997). Spline method for solving continuous batch grinding and similarity equations. Computers and Chemical Engineering, 21 (12), 1433-1440. doi: 10.1016/S0098-1354(97)88492-X
Campbell, Q. P., Everson, R. C., Eyre, D. and Spamer, H. J. (1995). Spline solution of the continuous batch grinding equation. Minerals Engineering, 8 (4-5), 377-387. doi: 10.1016/0892-6875(95)00003-9
Vermeulen, L. A., Howat, D. D. and Campbell, Q. P. (1991). Open-circuit production of material finer than 75 μm in open-circuit mills. Journal of The South African Institute of Mining and Metallurgy, 91 (10), 365-369.

Conference Papers

van Rensburg, M. J., Le Roux, M. and Campbell, Q. P. (2016). Drying of coal fines assisted by ceramic sorbents. XVIII International Coal Preparation Congress, Saint Petersburg, Russia, 28 June - 1 July 2016. Cham, Switzerland: Springer International Publishing. doi: 10.1007/978-3-319-40943-6_114
Campbell, Quentin, le Roux, Marco and Espag, Chané (2016). Coal product moisture control using stockpiles. XVIII International Coal Preparation Congress, Saint Petersburg, Russia, 28 June - 1 July 2016. Cham, Switzerland: Springer. doi: 10.1007/978-3-319-40943-6_115
Dorland, H. C., Campbell, Q. P., Le Roux, M., McMillan, K., Dorland, M. I., Erasmus, P. and Wagner, N. (2016). Simulation of washability and liberation information from photographs. XVIII International Coal Preparation Congress, Saint Petersburg, Russia, 28 June - 1 July 2016. Cham, Switzerland: Springer. doi: 10.1007/978-3-319-40943-6_35
le Roux, Marco, Campbell, Quentin and Langner, Danie (2016). Destoning of fine coal in a fluidized bed. XVIII International Coal Preparation Congress, Saint-Petersburg, Russia, 28 June - 1 July 2016. Cham: Springer International Publishing. doi: 10.1007/978-3-319-40943-6_176
Dorland, H. C., Wagner, N. J., Makukule, X. M., Campbell, Q. P., Le Roux, M., Van Vuuren, P. A., Venter, W. C., Erasmus, P. and Dorland, M. I. (2016). The product yield problem and the history and future of washability analysis. 33rd Annual International Pittsburgh Coal Conference: Coal - Energy, Environment and Sustainable Development, IPCC 2016, Cape Town, South Africa, 8-12 August 2016. International Pittsburgh Coal Conference.
Van Vuuren, Pieter A., Dorland, H. C., Le Roux, M., Venter, W. C., Erasmus, P., Dorland, M. I. and Campbell, Q. P. (2015). Using visual texture analysis to classify raw coal components. 22nd International Conference on Systems, Signals and Image Processing, IWSSIP 2015, London, United Kingdom, 10 - 12 September 2015. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/IWSSIP.2015.7314214
Le Roux, Marco, Campbell, Quentin and Van Rensburg, Martha (2014). Drying of fine coal using air in a fluidized bed. 27th International Mineral Processing Congress, IMPC 2014, Santiago, Chile, 20-24 October 2014. Santiago, Chile: Gecamin.
Campbell, Quentin and Le Roux, Marco (2014). Moisture retention and migration in a coal product stockpile. 27th International Mineral Processing Congress, IMPC 2014, Santiago, Chile, 20-24 October 2014. Santiago, Chile: Gecamin.
Du Plessis, J., Waanders, F. and Campbell, Q. (2014). Improved gold recovery by accelerated gravity separation. 27th International Mineral Processing Congress, IMPC 2014, Santiago, Chile, 20-24 October 2014. Santiago, Chile: Gecamin.
Campbell, Quentin P. and Viljoen, Jacob (2011). Single particle impact breakage of coal. 28th Annual International Pittsburgh Coal Conference 2011, 1, Pittsburgh, Pennsylvania, USA, 12-15 September 2011.
Campbell, Q. P. and Claassens, V. (2009). Coal breakage patterns under simulated impact and attrition conditions. 25th Annual International Pittsburgh Coal Conference, Pittsburgh, PA, United States, 29 September - 2 October 2008. Red Hook, NY, United States: Curran Associates.
Claassens, V., Campbell, Q. P. and Bunt, J. R. (2007). Maceral enrichment of South African coal using froth flotation. 24th Annual International Pittsburgh Coal Conference 2007, Johannesburg, South Africa, 10-14 September 2007.
Bafana Hlatshwayo, T., Campbell, Quentin P. and Pinetown, Kaydy L. (2007). Fundamental understanding of the influence of physical properties on the thermal fragmentation of coal. 24th Annual International Pittsburgh Coal Conference 2007, Johannesburg, South Africa, 10-14 September 2007.
Campbell, Q. P. and Barnardo, M. D. (2005). A study of the moisture adsorption and desorption characteristics of various south african coals. 22nd Annual International Pittsburgh Coal Conference 2005, Pittsburgh, Pennsylvania, USA, 12-15 September 2005. International Pittsburgh Coal Conference.
Badenhorst, Mathys J.G. and Campbell, Quentin P. (2005). A study of the influence of thermal drying on physical coal properties. 22nd Annual International Pittsburgh Coal Conference 2005, Pittsburgh, Pennsylvania,, 12-15 September 2005.