Development of wastewater pretreatment technologies: Cross-flow microfiltration & the development of support systems for cross-flow microfiltration and technical performance evaluation thereof on industrial water and wastewater
The role of geographic information systems and integrated environmental management in the landscape planning of catchments
Application of ultrafiltration membranes for solids-liquid separation in anaerobic digestion systems: The ADUF process
Appropriate record lengths for the estimation of mean annual and mean monthly precipitation in southern Africa
Observations on concentrations of the heavy metals zinc, manganese, nickel and iron in the water, in the sediments and in two aquatic macrophytes, Typha capensis (Rohrb.) N.E. Br. and Arundo donax L., of a stream affected by goldmine and industrial efflue