| Leaching characteristics of selected South African fly ashes: Effect of pH on the release of major and trace species WM Gitari, OO Fatoba, LF Petrik, VRK Vadapalli Journal of Environmental Science and Health Part A 44 (2), 206-220, 2009 | 100 | 2009 |
| Neutralization of acid mine drainage using fly ash, and strength development of the resulting solid residues VRK Vadapalli, MJ Klink, O Etchebers, LF Petrik, W Gitari, RA White, ... South African Journal of Science 104 (7), 317-322, 2008 | 87 | 2008 |
| Fate of sulphate removed during the treatment of circumneutral mine water and acid mine drainage with coal fly ash: Modelling and experimental approach G Madzivire, WM Gitari, VRK Vadapalli, TV Ojumu, LF Petrik Minerals Engineering 24 (13), 1467-1477, 2011 | 86 | 2011 |
| Synthesis of zeolite-P from coal fly ash derivative and its utilisation in mine-water remediation VRK Vadapalli, WM Gitari, A Ellendt, LF Petrik, G Balfour South African Journal of Science 106 (5), 1-7, 2010 | 62 | 2010 |
| Fate of the naturally occurring radioactive materials during treatment of acid mine drainage with coal fly ash and aluminium hydroxide G Madzivire, PP Maleka, VRK Vadapalli, WM Gitari, R Lindsay, LF Petrik Journal of environmental management 133, 12-17, 2014 | 46 | 2014 |
| Chemical weathering in a dry ash dump: an insight from physicochemical and mineralogical analysis of drilled cores MW Gitari, OO Fatoba, A Nyamihingura, LF Petrik, VRK Vadapalli, J Nel, ... World of Coal Ash (WOCA) Conference, Lexington, KY, 4-7, 2009 | 25 | 2009 |
| Integrated acid mine drainage management using fly ash VRK Vadapalli, MW Gitari, LF Petrik, O Etchebers, A Ellendt Journal of Environmental Science and Health, Part A 47 (1), 60-69, 2012 | 22 | 2012 |
| Jet loop reactor application for mine water treatment using fly ash, lime and aluminium hydroxide G Madzivire, WM Gitari, VRK Vadapalli, LF Petrik International Journal of Environmental Science and Technology 12, 173-182, 2015 | 21 | 2015 |
| Effect of Fly Ash particle size on its capacity to neutralize Acid Mine Drainage and influence on the rheological behaviour of residual solids VR Vadapalli, L Petrik, V Fester, P Slatter | 14 | 2007 |
| Application of mine water leaching protocol on coal fly ash to assess leaching characteristics for suitability as a mine backfill material G Madzivire, K Ramasenya, S Tlowana, H Coetzee, VRK Vadapalli Journal of Environmental Science and Health, Part A 53 (5), 467-474, 2018 | 10 | 2018 |
| Application of Artificial Intelligence (AI) to predict mine water quality, a case study in South Africa S Emmanuel, N Obed, VRK Vadapalli International Mine Water Conference, 140-146, 2019 | 9* | 2019 |
| Acid mine drainage neutralization in a pilot sequencing batch reactor using limestone from a paper and pulp industry VRK Vadapalli, JN Zvimba, M Mathye, H Fischer, L Bologo Environmental technology 36 (19), 2515-2523, 2015 | 9 | 2015 |
| Potential investigation of concrete fines as an alternative material: A novel neutralizer for acid mine drainage treatment HJ Ho, A Iizuka, VRK Vadapalli, H Coetzee, L Petrik, J Petersen, T Ojumu Environmental Technology & Innovation 29, 102985, 2023 | 7 | 2023 |
| Fe (II) oxidation during acid mine drainage neutralization in a pilot-scale sequencing batch reactor JN Zvimba, M Mathye, VRK Vadapalli, H Swanepoel, L Bologo Water science and technology 68 (6), 1406-1411, 2013 | 7 | 2013 |
| Role of pH on sulphate removal from circumneutral mine water using coal fly ash G Madzivire, LF Petrik, WM Gitari, G Balfour, VR Vadapalli, TV Ojumu | 7 | 2009 |
| Mine Water Treatment and the Use of Artificial Intelligence in Acid Mine Drainage Prediction VRK Vadapalli, E Sakala, G Dube, H Coetzee Recovery of Byproducts from Acid Mine Drainage Treatment, 23-48, 2020 | 6 | 2020 |
| Sulphate removal from sodium sulphate-rich brine and recovery of barium as a barium salt mixture VRK Vadapalli, JN Zvimba, J Mulopo, S Motaung Journal of Environmental Science and Health, Part A 48 (8), 933-938, 2013 | 6 | 2013 |
| Geochemistry and Mineralogy of Precipitates Formed During Passive Treatment of Acid Mine Drainage in the Ermelo Coalfield, South Africa NO Novhe, B Yibas, H Coetzee, T Mashalane, M Atanasova, ... International Mine Water Conference, 171-176, 2018 | 4 | 2018 |
| Effect of fly ash size fraction on the potential to neutralise acid mine drainage and rheological properties of sludge VRK Vadapalli, V Fester, L Petrik, P Slatter Desalination and Water Treatment 52 (37-39), 6947-6955, 2014 | 4 | 2014 |
| Stability and Neutralization capacity of Potential Mine Backfill Material Formed by Neutralization of Fly Ash and Acid Mine Drainage L Petrik, C Burgers, W Gitari, D Surender, K Reynolds, A Ellendt, ... Final Report submitted to Water Research Commission K 5, 2006 | 4 | 2006 |
