Author:Steyn, DJ; Toerien, DF; Visser, JHDate:Jan 1976Algal bioassays indicated that the waters of Roodeplaat dam are severely eutrophied since algal growth potentials (AGP) of up to 200 mg/l and batch culture algal growth rate of up to 2,2 d were registered with selemastrm capricornutum as test ...Read more
Author:Steyn, DJ; Toerien, DF; Visser, JHDate:Apr 1976The purpose of this study was to determine the present eutrophication levels of the Vaal dam, to determine how it might be affected by increased discharged of secondary treated sewage effluentsRead more
Author:Loedolff, C.JDate:20 Jan 2011The use of oxidation pounds (or sewage lagoons) by small communities as a system of sewage purification has been provisionally accepted in Southern Africa for many reason, the most important being the low cost when compared with the conventional ...Read more
Author:Szewczuk, S; Roux, SP; Lindeque, M; Germanis, JDate:01 Sep 2010Municipal waste water, or sewage, is a combination of domestic and industrial effluent. The increasing volume of sewage due to urbanisation and economic growth places pressure on the treatment performance of existing waste treatment systems. ...Read more
Author:Lord, DA; Anderson, FP; Basson, JKDate:Oct 1984The rational development of major projects involving the marine disposal of effluents by pipelines requires the close cooperation of planners, scientists and engineers.
In May 1983, a workshop entitled 'Pipeline Discharges of Effluents to ...Read more
Author:Pienaar, Harrison HDate:Oct 2012In this talk the author focuses on the role of science in the context of ensuring current and future water security.Read more
Author:Bickerton, IBDate:Dec 1982This report provides historical information on the Zeekoevlei. The Zeekoe canal at present constitutes a public health hazard, particularly where it passes under the Baden Powell Drive bridge and flows across the beach into the sea. Drainage ...Read more