Dr OT Mahlangu

• Membrane synthesis, characterisation, and application
• Membrane fouling
• Solute transport (organic compounds and salts)
• Desalination

• Membrane Filtration Processes
• Home water treatment devices

1. JK Mwabi, FE Adeyemo, TO Mahlangu, BB Mamba, BM Brouckaert, CD Swartz, G Offringa, L Mpenyana-Monyatsi and MNB Momba. Household water treatment systems: a solution to the production of safe drinking water by the low-income communities of Southern Africa. Physics and Chemistry of the Earth 36 (2011) 1120-1128.
2. Mahlangu, TO, Hoek, E.M.V, Mamba, B.B, Verliefde, A.R.D. Influence of organic, colloidal and combined fouling on NF rejection of NaCl and carbamazepine: role of solute-foulant-membrane interactions and cake-enhanced concentration polarization –Journal of Membrane Science 471 (2014) 35 – 46.
3. O.T., Mahlangu, J.M., Thwala, B.B., Mamba, E.M.V., Hoek, A., D’Haese, A.R.D., Verliefde. Factors governing combined fouling by organic and colloidal foulants in cross-flow nanofiltration, Journal of Membrane Science 491 (2015) 53 – 62
4. OT Mahlangu, K.V.K.M. Schoutteten, A. D’Haese, J. Van den Bussche, L. Vanhaecke, J.M. Thwala, B.B. Mamba, A.R.D. Verliefde. Role of permeate flux and specific membrane-foulant-solute affinity interactions in transport of trace organic solutes through fouled nanofiltration (NF) membranes. Journal of Membrane Science 518 (2016) 203 – 215
5. OT Mahlangu, R. Nackaerts, J.M. Thwala, B.B. Mamba, ARD Verliefde, Hydrophilic fouling-resistant GO-ZnO/PES membranes for wastewater reclamation. Journal of Membrane Science 524 (2017) 43 – 55.
6. OT Mahlangu, R. Nackaerts, B.B. Mamba, ARD Verliefde, Development of fouling-resistant GO-ZnO/PES membranes for treatment of wastewater. Water Science and Technology 76(3) (2017) 501 – 514.
7. Mahlangu OT, Mamba BB, Verliefde ARD. Effect of multivalent cations on membrane-foulant and foulant-foulant interactions controlling fouling of nanofiltration membranes. Polym Adv Technol. 2020;1–13. https://doi.org/10.1002/pat.4986
8. Mahlangu, O.T.; Mamba, B.B. Interdependence of Contributing Factors Governing Dead-End Fouling of Nanofiltration Membranes. Membranes 2021, 11, 47. https://doi.org/10.3390/membranes11010047
9. Kajau A, Motsa M, Mamba BB, Mahlangu O. Leaching of CuO Nanoparticles from PES Ultrafiltration Membranes. ACS Omega 2021, https://doi.org/10.1021/acsomega.1c04431
10. Nthunya LN, Bopape MF, Mahlangu OT, Mamba BB, Van der Bruggen B, Quist-Jensen CA, Richards, H. Fouling, performance and cost analysis of membrane-based water desalination technologies: A critical review. Journal of Environmental Management 301 (2022) 113922. https://doi.org/10.1016/j.jenvman.2021.113922

• Member, South African Chemical Institute (SACI)
• Member, Professional Chemist South Africa (PrChemSA)
• Postdoctoral Research Fellow, University of South Africa, Florida
• Research and Development Manager, Khula Nonke Training and Development
• Postdoctoral Research Fellow, Tshwane University of Technology, Pretoria

• Design and Evaluation of a Cost-effective Household Drinking Water Treatment System.
• Fouling of Nanofiltration Membranes: Mechanisms and Implications on Trace Organic Rejection
• Novel, Stand-alone Membrane Unit for Drinking Water Production, Using Solar Energy – PROTOTYPE: Testing and Improvement
• Influence of Membrane Fouling on the Removal of Pharmaceuticals
• Are Membranes Implemented with Nanoparticles Able to Provide a Breakthrough in Water Purification?
• Membrane Treatment of Polyol and Pharmaceutical Waste Streams
• Water Loss Management Programme for the Department of Correctional Services
• Process Audit for Magalies Water

ORCHID link: https://orcid.org/0000-0002-9706-729X