Prof. Mkhonto's Selected Conference/Seminar Presentations

Oral Presentation

1. Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2012). Computational modelling studies of nickel-rich pentlandite (Fe4Ni5S8) surfaces. South African Minerals to Metals Research Institute (SAMMRI) meeting. (Vineyard hotel, Cape Town) 31 July. (Oral)

2. Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2012). Computational modelling studies of nickel-rich pentlandite (Fe4Ni5S8) surfaces. University of Limpopo Faculty of Science and Agriculture post-graduate research day. (Bolivia lodge, Polokwane) 4–5 October. (Oral)

3.  Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2012). Computational Modelling Of adsorption of O2, H2O and organic collectors on nickel-rich {110} pentlandite surface. Centre for High Performance Computing (CHPC) conference. (International Convention Centre, Durban) 3–7 December. (Oral)

4.  Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2013). Computer simulations study of Thiol collectors adsorption on nickel-rich {100} pentlandite surface. University of Limpopo Faculty of Science and Agriculture post-graduate research day. (Bolivia lodge, Polokwane) 3–4 October. (Oral)

5.  Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2013). Interaction of organic collectors adsorption on nickel-rich {100} pentlandite surface. Centre for High Performance Computing (CHPC) conference. (International Convention Centre (ICC), Cape Town) 2–6 December. (Oral)

6. Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2013). Computational modelling study of organic collectors adsorption on nickel-rich {110} and {111} pentlandite surfaces. South African Minerals to Metals Research Institute (SAMMRI) meeting. (Vineyard hotel, Cape Town) 8 August. (Oral)

7.   Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2014). Computer simulation study on electronic structures of organic collector adsorption on nickel-rich {111} pentlandite (Fe4Ni5S8) surface. South African Minerals to Metals Research Institute (SAMMRI) meeting. (Vineyard hotel, Cape Town) 01 August. (Oral)

8.  Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2014). A DFT study on the flotation performance of thiol collectors on {111} nickel-rich pentlandite (Fe4Ni5S8) mineral surface. University of Limpopo Faculty of Science and Agriculture post-graduate research day. (Bolivia lodge, Polokwane) 2–3 October. (Oral)

9.  Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2014). Electronic structures on adsorption of thiol collectors on {111} nickel-rich pentlandite (Fe4Ni5S8) mineral surface. Centre for High Performance Computing (CHPC) conference. (Kruger National Park) 1–5 December. (Oral)

10. Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2016). Interactions of xanthates and dithiophosphate on (110) nickel-rich pentlandite (Fe4Ni5S8) mineral surface. South African Institute of Physics (SAIP) conference. (University of Cape Town) 4–8 July. (Oral)

11. Mkhonto P.P., McFadzean B. and Ngoepe P.E. (2017). Computational and experimental study on effect of xanthate chain length on pyrite (FeS2) mineral surfaces. 62nd South African Institute of Physics (SAIP) conference. (University of Stellenbosch) 3–7 July. (Oral)

12. Mkhonto P.P., Zhang X., McFadzean B., Taguta J., Zhu Y., Han L. and Ngoepe P.E. (2017). Heats of adsorption of MBT, MBO and MBI and their derivatives onto pyrite (100) and sperrylite (100) surfaces: computational and experimental study. University of Limpopo Faculty of Science and Agriculture post-graduate research day. (Bolivia lodge in Polokwane) 12–13 October. (Oral)

13. Mkhonto P.P., Zhang X., McFadzean B., Taguta J., Zhu Y., Han L. and Ngoepe P.E. (2017). Computational and experimental study on heats of adsorption of heterocyclic collectors onto pyrite mineral surfaces. Centre for High Performance Computing (CHPC) conference (Velmore Hotel Estate, Pretoria) 3–7 December. (Oral)

14. Mkhonto P.P., Zhang X., McFadzean B., Taguta J., Zhu Y., Han L. and Ngoepe P.E. (2018). Studies on heats of adsorption of heterocyclic collectors onto pyrite mineral surfaces: Computational and experimental approach. 63rd South African Institute of Physics (SAIP) conference. (University of the Free State, Free State) 25–29 June. (Oral)

15. Mkhonto P.P., Zhang X., McFadzean B., Taguta J., Zhu Y., Han L. and Ngoepe P.E. (2018). Enthalpy of adsorption of MBT, MBO, MBI and modified MBT onto pyrite surfaces: A Computational and experimental approach. XXIX International Minerals Processing Congress (IMPC). (Moscow, Russia) 17–21 September. (Oral)

16. Mkhonto P.P., Zhang X., Lu L., Xiong W., Zhu Y., Han L. and Ngoepe P.E. (2022). Modification and adsorption of triazine collectors onto pyrite surfaces. Asia Pacific International Minerals Processing Congress (IMPC). (Autria, In-person and Virtual) 22–24 August. (Oral)

17. Mkhonto P.P. (2023). Development of Minerals and Minerals Processing: An Overview. Materials Science Workshop-In recognition of the contribution for Professor Phuti E. Ngoepe. (Council for Geoscience, Pretoria) 03–04 August. (Oral)

18. Nemutudi B, Pikinini S., McFadzean B. Zhang X., Zhu Y., Han L., Ngoepe P.E., Mkhonto P.P. (2024). Investigation of pH conditions effect on xanthate, dithiocarbamate and s-triazine collectors performance on platarsite and sperrylite minerals. XXXI IMPC-International Mineral Processing Congress, National Harbor, Washington, DC, September 29 – October 3, 2024. (Oral)

Poster Presentation

1. Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2012). Computer simulation studies of synthetic nickel-rich pentlandite (Fe4Ni5S8) surfaces. 57th South African Institute of Physics (SAIP) conference. (University of Pretoria, Pretoria) 9–13 July. (Poster)

2. Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2013). Computational modelling of adsorption of O2 and H2O on nickel-rich {111} pentlandite surface. 58th South African Institute of Physics (SAIP) conference. (University of Zululand, Richards Bay) 8–12 July. (Poster)

3.  Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2014). Electronic structures of oxygen adsorption on {110} nickel-rich pentlandite (Fe4Ni5S8) mineral surface. 59th South African Institute of Physics (SAIP) conference. (University of Johannesburg, Johannesburg) 7–11 December. (Poster)

4.  Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2015). Computer simulation study of H2O adsorption on (110) surface of nickel-rich pentlandite (Fe4Ni5S8) mineral. 60th South African Institute of Physics (SAIP) conference. (Nelson Mandela Metropolitan University and Rhodes University at Boardwalk San international) 28 June–3 July. (Poster)

5. Mkhonto P.P., Chauke H.R. and Ngoepe P.E. (2015). Ab initio Studies of O2 Adsorption on (110) Nickel-Rich Pentlandite (Fe4Ni5S8) Mineral Surface. Centre for High Performance Computing (CHPC) conference. (Council for Scientific industrial research (CSIR), Pretoria) 30 November–4 December. (Poster)

6.  Mkhonto P.P., Zhang X., McFadzean B., Taguta J., Zhu Y., Han L. and Ngoepe P.E. (2018). Effect of MBT, MBO, MBI and their derivatives on pyrite (100) surface adsorption. Centre for High Performance Computing (CHPC) conference. (Century City Convention Centre, Cape Town) 2–6 December. (Poster)

7.  Mkhonto P.P., Zhang X., Lu L., Zhu Y., Han L. and Ngoepe P.E. (2022). Effects of NaOH and lime in the separation of chalcopyrite and pyrite minerals using allyl-N-diethyl dithiocarbamate as collectors: DFT and experimental studies. 66th South African Institute of Physics (SAIP) conference. (Nelson Mandela University, Virtual) 04–08 July, 2022. (Poster)

8.  Mkhonto P.P., Zhang X., McFadzean B., Taguta J., Zhu Y., Han L. and Ngoepe P.E. (2023). Derivatives of MBT, MBO and MBI collectors and their adsorption-recovery behaviour on pyrite mineral: A computational and microflotation studies. Minerals Engineering International (MEI) Flotation 23’ conference. (Vine Yard Hotel, Cape Town) 06–09 November, 2023. (Poster)

9.  Mkhonto P.P. and Ngoepe P.E. (2024). Predicting the bulk and surface properties of pyrite mineral and its surface adsorption behaviour: An AIMD-MLFF study. 68th South African Institute of Physics (SAIP) conference. (Rhodes University) 01–05 July, 2024. (Poster)

10. Mkhonto P.P. and Ngoepe P.E. (2024). Unravelling the bulk and surface properties of pyrite mineral bearing gold and arsenic: A DFT-D and AIMD-MLFF study. Centre for high performance computing (CHPC) National Conference, Boardwalk International Convention Centre, Gqeberha, 1–4 December, 2024. (Poster)

11. Mkhonto P.P. and Ngoepe P.E. (2025). Interaction of modified heterocyclic collectors with chalcopyrite mineral surfaces. The 69th South African Institute of Physics (SAIP) conference. (University of the Witwatersrand) 07–11 July, 2025. (Poster)

12. Mkhonto P.P., Zhang X., McFadzean B., Taguta J., Zhu Y., Han L. and Ngoepe P.E. (2023). Separation of chalcopyrite from pyrite minerals using S-allyl derivatives of TTCBT, TTCBO and TTCBI collectors: A DFT-D+U study. Minerals Engineering International (MEI) Flotation 25’ conference. (Vine Yard Hotel, Cape Town) 17–20 November, 2025. (Poster)

13. Mkhonto P.P. and Ngoepe P.E. (2025). Investigation of modified heterocyclic collectors adsorption on chalcopyrite mineral surface. Centre for high performance computing (CHPC) National Conference, Century City Conference Centre, Cape Town, 30–3 December, 2025. (Poster)