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2024 Journal Article A review of the dry methods available for coal beneficiationHughes, 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 |
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2023 Journal Article Contact sorption drying of chromite concentratesSnyman, 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 |
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2023 Journal Article Assessment of coal washability data obtained via the RhoVol analyserStone, 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 |
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2022 Journal Article Estimation of coal density using a 3D imaging system: RhoVolNakhaei, 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 |
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2022 Journal Article Characterization of rare earth elements by XRT sorting products of a South African coal seamAkdogan, 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 |
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2021 Journal Article Coal moisture variations in response to rainfall events in mine and coal-fired power plant stockpiles—part 2: evaporationCampbell, 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 |
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2021 Journal Article Coal moisture variations in response to rainfall event in mines and coal-fired power plant stockpiles—part 1: runoff, infiltration, and drainageCampbell, 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 |
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2020 Journal Article Contact sorption: a method to reduce the moisture content of coal finesVan 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 |
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2019 Journal Article 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 methodsRautenbach, 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 |
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2017 Journal Article A review of the application of X-ray computed tomography to the study of coalMathews, 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 |
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2017 Journal Article The influence of bedding-plane orientation on the degradation characteristics of a South African Waterberg coalViljoen, 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 |
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2016 Journal Article The effect of particle size on the rate and depth of moisture evaporation from coal stockpilesDe 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. |
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2016 Journal Article Validation of Using a Modified BET Model to Predict the Moisture Adsorption Behavior of Bituminous CoalStrydom, 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 |
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2015 Journal Article Water-only laboratory coal fractionation using the reflux classifierCampbell, 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 |
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2015 Journal Article The qualification of coal degradation with the aid of micro-focus computed tomographyViljoen, 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 |
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2015 Journal Article Comparison of physical properties of oxidative sintered pellets produced with UG2 or metallurgicalgrade South African chromite: a case studyGlastonbury, 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 |
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2015 Journal Article Air drying of fine coal in a fluidized bedLe 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 |
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2015 Journal Article An analysis of the slow compression breakage of coal using microfocus X-ray computed tomographyViljoen, 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 |
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2014 Journal Article Fine coal dewatering using high airflowLe 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 |
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2013 Journal Article Moisture adsorption and desorption characteristics of some South African coalsCampbell, 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. |
