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2024 Conference Publication Mary Kathleen tailings derived rare earth concentrate via double salt precipitation and caustic conversionVaughan, J., Guan, Y., Loureiro Gontijo, V. L. and Sultana, U. (2024). Mary Kathleen tailings derived rare earth concentrate via double salt precipitation and caustic conversion. Southern African Rare Earths 2nd International Symposium 2024, Swakopmund, Namibia, 19-20 June 2024. Johannesburg, South Africa: Southern African Institute of Mining and Metallurgy. |
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2023 Book Chapter Hydrometallurgical processing of e-waste and metal recoveryAmilton Barbosa Botelho Junior, Ummul Khair Sultana and James Vaughan (2023). Hydrometallurgical processing of e-waste and metal recovery. Management of electronic waste: resource recovery, technology and regulation. (pp. 234-288) edited by Anshu Priya. Hoboken, NJ United States: Wiley. |
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2023 Journal Article Nickel sulfate solution fluoride separation with hydrous zirconium oxideNigri, Elbert M., Sultana, Ummul K., Santos, André L. A., Vaughan, James W. and Rocha, Sônia D. F. (2023). Nickel sulfate solution fluoride separation with hydrous zirconium oxide. Tungsten, 6 (2), 367-381. doi: 10.1007/s42864-023-00241-1 |
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2021 Journal Article Integrated experimental liquidus and modelling studies of the ternary AgO0.5-FeO1.5-SiO2 system in equilibrium with metallic AgSultana, U.K., Shevchenko, M. and Jak, E. (2021). Integrated experimental liquidus and modelling studies of the ternary AgO0.5-FeO1.5-SiO2 system in equilibrium with metallic Ag. Journal of Alloys and Compounds, 870 159333, 1-11. doi: 10.1016/j.jallcom.2021.159333 |
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2020 Journal Article Transformation of stainless steel 316 into a bifunctional water splitting electrocatalyst tolerant to polarity switchingSultana, Ummul K., Fernand, Joseph F.S. and O'Mullane, Anthony P. (2020). Transformation of stainless steel 316 into a bifunctional water splitting electrocatalyst tolerant to polarity switching. Sustainable Materials and Technologies, 25 e00177, e00177. doi: 10.1016/j.susmat.2020.e00177 |
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2020 Journal Article Experimental measurement and thermodynamic model predictions of the distributions of Cu, As, Sb and Sn between liquid lead and PbO–FeO–Fe2O3–SiO2 slagShishin, Denis, Hidayat, Taufiq, Sultana, Ummul Khair, Shevchenko, Maksym and Jak, Evgueni (2020). Experimental measurement and thermodynamic model predictions of the distributions of Cu, As, Sb and Sn between liquid lead and PbO–FeO–Fe2O3–SiO2 slag. International Journal of Materials Research, 111 (9) 146.111942, 733-743. doi: 10.3139/146.111942 |
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2020 Journal Article Nanoconfined synthesis of nitrogen-rich metal-free mesoporous carbon nitride electrocatalyst for the oxygen evolution reactionWahab, Md.A., Joseph, Jickson, Atanda, Luqman, Sultana, Ummul K., Beltramini, Jorge N., Ostrikov, Kostya, Will, Geoffrey, O'Mullane, Anthony P. and Abdala, Ahmed (2020). Nanoconfined synthesis of nitrogen-rich metal-free mesoporous carbon nitride electrocatalyst for the oxygen evolution reaction. ACS Applied Energy Materials, 3 (2), 1439-1447. doi: 10.1021/acsaem.9b01876 |
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2019 Journal Article Experimental Study and Thermodynamic Calculations of the Distribution of Ag, Au, Bi, and Zn Between Pb Metal and Pb–Fe–O–Si slagShishin, Denis, Hidayat, Taufiq, Sultana, Ummul, Shevchenko, Maksym and Jak, Evgueni (2019). Experimental Study and Thermodynamic Calculations of the Distribution of Ag, Au, Bi, and Zn Between Pb Metal and Pb–Fe–O–Si slag. Journal of Sustainable Metallurgy, 6 (1), 68-77. doi: 10.1007/s40831-019-00257-3 |
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2019 Journal Article Electrochemically fabricated Ni−P, Ni−S and Ni−Se materials for overall water splitting: investigating the concept of bifunctional electrocatalysisSultana, Ummul K. and O'Mullane, Anthony P. (2019). Electrochemically fabricated Ni−P, Ni−S and Ni−Se materials for overall water splitting: investigating the concept of bifunctional electrocatalysis. ChemElectroChem, 6 (10), 2630-2637. doi: 10.1002/celc.201801731 |
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2018 Journal Article Gold doping in a layered Co-Ni hydroxide system via galvanic replacement for overall electrochemical water splittingSultana, Ummul K., Riches, James D. and O'Mullane, Anthony P. (2018). Gold doping in a layered Co-Ni hydroxide system via galvanic replacement for overall electrochemical water splitting. Advanced Functional Materials, 28 (43) 1804361, 1804361. doi: 10.1002/adfm.201804361 |
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2018 Journal Article Electrochemical formation of Amorphous molybdenum phosphosulfide for enabling the hydrogen evolution reaction in alkaline and acidic mediaSultana, Ummul K. and O'Mullane, Anthony P. (2018). Electrochemical formation of Amorphous molybdenum phosphosulfide for enabling the hydrogen evolution reaction in alkaline and acidic media. ACS Applied Energy Materials, 1 (6), 2849-2858. doi: 10.1021/acsaem.8b00489 |
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2017 Journal Article An amorphous dual action electrocatalyst based on oxygen doped cobalt sulfide for the hydrogen and oxygen evolution reactionsSultana, Ummul K., He, Tianwei, Du, Aijun and O'Mullane, Anthony P. (2017). An amorphous dual action electrocatalyst based on oxygen doped cobalt sulfide for the hydrogen and oxygen evolution reactions. RSC Advances, 7 (87), 54995-55004. doi: 10.1039/c7ra10394h |
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2014 Journal Article Kinetics of leaching of iron oxide in clay in oxalic acid and in hydrochloric acid solutionsSultana, U.K. (2014). Kinetics of leaching of iron oxide in clay in oxalic acid and in hydrochloric acid solutions. Materials Science and Metallurgy Engineering, 2 (1) DOI:10.12691/msme-2-1-2, 5-10. doi: 10.12691/msme-2-1-2 |
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2013 Journal Article Kinetics of recovery of alumina from aluminium casting waste through fusion with sodium hydroxideSultana, U.K. (2013). Kinetics of recovery of alumina from aluminium casting waste through fusion with sodium hydroxide. American Journal of Materials Engineering and Technology, 1 (3), 30-34. doi: 10.12691/materials-1-3-1 |
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2012 Journal Article Dissolution kinetics of iron oxides in clay in oxalic acid solutionsSultana, U. K. and Kurny, A. S. W. (2012). Dissolution kinetics of iron oxides in clay in oxalic acid solutions. International Journal of Minerals Metallurgy and Materials, 19 (12), 1083-1087. doi: 10.1007/s12613-012-0674-3 |
