Author:Greben, HA; Maree, JP; Eloff, E; Murray, KDate:Jul 2005The product of the biological sulphate reduction is sulphide. High concentrations of molecular H2S(g) can be inhibitory for microbial activity, especially at a reactor pH of 6 to 7. This paper focuses on the effect of high sulphide concentrations ...Read more
Author:Murray, K; Claassen, MariusDate:Oct 1999In order to facilitate a common understanding, on-going debate and increasing application of ecological risk assessment (ERA) in South Africa, the ERA process of the US Environmental Protection Agency (EPA) has been summarised and evaluated ...Read more