| Extractive metallurgy of copper ME Schlesinger, M King, KC Sole, WG Davenport Elsevier, 2011 | 957* | 2011 |
| Solvent extraction characteristics of thiosubstituted organophosphinic acid extractants KC Sole, JB Hiskey Hydrometallurgy 30 (1-3), 345-365, 1992 | 277 | 1992 |
| Solvent extraction of copper by Cyanex 272, Cyanex 302 and Cyanex 301 KC Sole, JB Hiskey Hydrometallurgy 37 (2), 129-147, 1995 | 218 | 1995 |
| Solvent extraction in southern Africa: An update of some recent hydrometallurgical developments KC Sole, AM Feather, PM Cole Hydrometallurgy 78 (1-2), 52-78, 2005 | 153 | 2005 |
| Zinc solvent extraction in the process industries PM Cole, KC Sole Mineral Processing and Extractive Metallurgy Review 24 (2), 91-137, 2003 | 132 | 2003 |
| Recovery of titanium from the leach liquors of titaniferous magnetites by solvent extraction: Part 3. Continuous mini-plant trials KC Sole, A Feather, JP O'Connell Hydrometallurgy 51 (3), 275-284, 1999 | 110* | 1999 |
| Recovery of titanium from the leach liquors of titaniferous magnetites by solvent extraction: Part 1. Review of the literature and aqueous thermodynamics KC Sole Hydrometallurgy 51 (2), 239-253, 1999 | 107 | 1999 |
| Solvent extraction of silver by Cyanex 272, Cyanex 302 and Cyanex 30 KC Sole, TL Ferguson, JB Hiskey Solvent Extraction and Ion Exchange 12 (5), 1033-1050, 1994 | 89 | 1994 |
| An Assessment of the Long-Term Stabilities of Cyanex 302 and Cyanex 301 in Sulfuric and Nitric Acids KC Sole, J Brent Hiskey, TL Ferguson Solvent Extraction and Ion Exchange 11 (5), 783-796, 1993 | 89 | 1993 |
| Ion exchange in hydrometallurgical processing: an overview and selected applications KC Sole, MB Mooiman, E Hardwick Separation & Purification Reviews 47 (2), 159-178, 2018 | 68 | 2018 |
| Solvent extraction in the primary and secondary recovery of zinc PM Cole, KC Sole International Solvent Extraction Conference ISEC 2002, 863-870, 2002 | 67* | 2002 |
| Recovery of titanium from the leach liquors of titaniferous magnetites by solvent extraction: Part 2. Laboratory-scale studies KC Sole Hydrometallurgy 51 (3), 263-274, 1999 | 57 | 1999 |
| Solvent Extraction in the Hydrometallurgical Processing and Purification of Metals: Process Design and Selected Applications KC Sole Solvent Extraction and Liquid Membranes, 159-218, 2008 | 54 | 2008 |
| Solvent extraction and ion exchange applications in Africa's resurging uranium industry: a review KC Sole, PM Cole, AM Feather, MH Kotze Solvent Extraction and Ion Exchange 29 (5-6), 868-899, 2011 | 50 | 2011 |
| Purification of nickel by solvent extraction KC Sole, PM Cole Ion Exchange and Solvent Extraction: A Series of Advances 15, 143-195, 2002 | 48 | 2002 |
| Copper electrowinning: 2013 world tankhouse operating data TG Robinson, KC Sole, S Sandoval, MS Moats, A Siegmund, ... Proceedings of Copper 2013 Conference 5, 17-49, 2013 | 47 | 2013 |
| Flowsheet options for cobalt recovery from African copper-coablt hydrometallurgy circuits KC Sole, J Parker, PM Cole, MB Mooiman ALTA Nickel Cobalt Copper Conference, 1-21, 2018 | 46 | 2018 |
| Challenging the traditional hydrometallurgy curriculum—an industry perspective MB Mooiman, KC Sole, DJ Kinneberg Hydrometallurgy 79 (1-2), 80-88, 2005 | 46 | 2005 |
| Solvent extraction developments in Southern Africa PM Cole, KC Sole, AM Feather Tsinghua Science and Technology 11 (2), 153-159, 2006 | 39 | 2006 |
| Outer-sphere coordination chemistry: amido-ammonium ligands as highly selective tetrachloridozinc (II) ate extractants JR Turkington, V Cocalia, K Kendall, CA Morrison, P Richardson, T Sassi, ... Inorganic Chemistry 51 (23), 12805-12819, 2012 | 38 | 2012 |
