Author:Staebe, K; Botes, M; Madlala, Tebogo E; Oberholster, Paul J; Cloete, TEDate:Dec 2018Freshwater resources in semi-arid countries are under constant threat from pollution. One of the major pollutants is acid mine drainage (AMD), which not only lowers the pH of the water, but contains high sulphuric acid and high metal ...Read more