| Adsorption of Cu (II) and Cr (VI) ions by chitosan: Kinetics and equilibrium studies R Schmuhl, HM Krieg, K Keizer Water Sa 27 (1), 1-8, 2001 | 612 | 2001 |
| Copper (II) removal from polluted water with alumina/chitosan composite membranes GC Steenkamp, K Keizer, H Neomagus, HM Krieg Journal of Membrane Science 197 (1-2), 147-156, 2002 | 154 | 2002 |
| Salt rejection in nanofiltration for single and binary salt mixtures in view of sulphate removal HM Krieg, SJ Modise, K Keizer, H Neomagus Desalination 171 (2), 205-215, 2005 | 139 | 2005 |
| The removal of acid sulphate pollution by nanofiltration TJK Visser, SJ Modise, HM Krieg, K Keizer Desalination 140 (1), 79-86, 2001 | 107 | 2001 |
| Use of chitosan as an antifouling agent in a membrane bioreactor I Le Roux, HM Krieg, CA Yeates, JC Breytenbach Journal of membrane science 248 (1-2), 127-136, 2005 | 70 | 2005 |
| Chiral resolution by β-cyclodextrin polymer-impregnated ceramic membranes HM Krieg, JC Breytenbach, K Keizer Journal of Membrane Science 164 (1-2), 177-185, 2000 | 65 | 2000 |
| Manufacture and optimization of tubular ceramic membrane supports H Bissett, J Zah, HM Krieg Powder Technology 181 (1), 57-66, 2008 | 64 | 2008 |
| Novel morpholinium-functionalized anion-exchange PBI–polymer blends CG Morandi, R Peach, HM Krieg, J Kerres Journal of Materials Chemistry A 3 (3), 1110-1120, 2015 | 62 | 2015 |
| Enrichment of chlorthalidone enantiomers by an aqueous bulk liquid membrane containing β-cyclodextrin HM Krieg, J Lotter, K Keizer, JC Breytenbach Journal of Membrane Science 167 (1), 33-45, 2000 | 58 | 2000 |
| Centrifugal casting of ceramic membrane tubes and the coating with chitosan GC Steenkamp, H Neomagus, HM Krieg, K Keizer Separation and purification technology 25 (1-3), 407-413, 2001 | 57 | 2001 |
| Novel imidazolium-functionalized anion-exchange polymer PBI blend membranes CG Morandi, R Peach, HM Krieg, J Kerres Journal of membrane science 476, 256-263, 2015 | 50 | 2015 |
| Performances of anion-exchange blend membranes on vanadium redox flow batteries H Cho, HM Krieg, JA Kerres Membranes 9 (2), 31, 2019 | 36 | 2019 |
| Pervaporation and related properties of time-dependent growth layers of zeolite NaA on structured ceramic supports J Zah, HM Krieg, JC Breytenbach Journal of membrane science 284 (1-2), 276-290, 2006 | 34 | 2006 |
| Layer development and growth history of polycrystalline zeolite A membranes synthesised from a clear solution J Zah, HM Krieg, JC Breytenbach Microporous and mesoporous materials 93 (1-3), 141-150, 2006 | 31 | 2006 |
| Single gas permeation through compositionally different zeolite NaA membranes: observations on the intercrystalline porosity in an unconventional, semicrystalline layer J Zah, HM Krieg, JC Breytenbach Journal of membrane science 287 (2), 300-310, 2007 | 30 | 2007 |
| Separation of NF3 and CF4 using amorphous glassy perfluoropolymer Teflon AF and Hyflon AD60 membranes DJ Branken, HM Krieg, JP Le Roux, G Lachmann Journal of membrane science 462, 75-87, 2014 | 27 | 2014 |
| Comparison of ionically and ionical-covalently cross-linked polyaromatic membranes for SO2 electrolysis R Peach, HM Krieg, AJ Krüger, D Van der Westhuizen, D Bessarabov, ... International journal of hydrogen energy 39 (1), 28-40, 2014 | 27 | 2014 |
| Comparison of extractants for the separation of TaF5 and NbF5 in different acidic media MJ Ungerer, DJ Van Der Westhuizen, G Lachmann, HM Krieg Hydrometallurgy 144, 195-206, 2014 | 26 | 2014 |
| Direct crystallisation of a hydroxy sodalite membrane without seeding using a conventional oven A van Niekerk, J Zah, JC Breytenbach, HM Krieg Journal of Membrane Science 300 (1-2), 156-164, 2007 | 26 | 2007 |
| Evaluation of MEA manufacturing parameters using EIS for SO2 electrolysis AJ Krüger, HM Krieg, J Van der Merwe, D Bessarabov International journal of hydrogen energy 39 (32), 18173-18181, 2014 | 24 | 2014 |
