| Issue Date | Title | Author(s) |
| 2011 | Acclimation of microbial communities in pilot-scale constructed wetlands exposed to vanillin and gallic acid | Welz, Pamela J ; Le Roes-Hill, Marilize ; Ramond, Jean-Baptiste ; Cowan, Donald A ; Burton, Stephanie Gail |
| 2011 | Acclimation of microbial communities in pilotscale constructed wetlands exposed to vanillin and gallic acid | Welz, PJ ; Ramond, J-B ; Le Roes-Hill, Marilize ; Cowan, Donald A ; Burton, Stephanie Gail |
| 2020 | Anaerobic digestion of secondary tannery sludge: optimisation of initial PH and temperature and evaluation of kinetics | Mpofu, A.B ; Welz, PJ ; Oyekola, O.O. |
| 2011 | Background research into relevant local waste streams and soil types. Choice of impacted and unimpacted local wetlands | Burton, Stephanie Gail ; Welz, PJ ; Ramond, JB ; Cowan, Donald A ; Le Roes-Hill, Marilize |
| 2013 | Bioremediation of synthetic winery wastewater using sand columns containing Phillipi sand | Terblanche, G ; Smith, I ; Welz, PJ ; Le Roes-Hill, Marilize |
| 2016 | Characterisation of winery wastewater from continuous-flow settling basins and waste stabilisation ponds over the course of one year: implications for biological wastewater treatment and land application | Welz, PJ ; Holtman, G ; Haldenwang, Rainer ; Le Roes-Hill, Marilize |
| 2019 | Co-digestion of tannery waste activated sludge with slaughterhouse sludge to improve organic biodegradability and biomethane generation | Mpofu, A.B ; Oyekola, O.O. ; Welz, PJ |
| 2011 | Ethanol degradation and the benefits of incremental priming in pilot-scale constructed wetlands | Welz, PJ ; Ramond, JB ; Cowan, Donald A ; Prins, A ; Burton, Stephanie Gail |
| 2011 | Experimentation to assess the reproducibility of existing pilot-scale constructed wetlands; ongoing monitoring of physical and chemical parameters and microbial community dynamics | Burton, Stephanie Gail ; Welz, PJ ; Ramond, JB ; Cowan, Donald A ; Le Roes-Hill, Marilize |
| 2018 | The influence of grain physicochemistry and biomass on hydraulic conductivity in sand-filled treatment wetlands | Welz, PJ ; Mbasha, W ; Smith, I ; Holtman, G ; Terblanche, D ; Le Roes-Hill, Marilize ; Haldenwang, Rainer |
| 2011 | Treatment of high ethanol concentration wastewater by constructed wetlands: enhanced COD removal and bacterial community dynamics | Rodriguez Caballaro, A ; Ramond, JB ; Welz, PJ ; Cowan, Donald A ; Odlare, M ; Burton, Stephanie Gail |