Now showing items 1-4 of 4
Treating high nitrate groundwater using surfactant modified zeolite in fixed bed column
(Taylor and Francis, 2011-05-02)
High levels of nitrate in South African groundwater used for drinking purposes are a cause of concern due to the possible human health risks associated with consuming nitrate contaminated water. In this study, nitrate ...
Sand water storage : unconventional methods to freshwater augmentation in isolated rural communities of South Africa
(Academic Journals, 2010-10-20)
South Africa water resources are scarce in global terms with mean annual rainfall of about half world average of 860 mm a year. On the other hand, current economy development with resulting contamination of available water ...
One-dimensional finite difference approach for sedimentation process in sand filled reservoirs
(Academic Journals, 2011-04-04)
There have been continuing efforts to decrease silt deposits due to interstitial blockage in sand-filled reservoirs. However, estimating weir height to allow for deposition of required grain sizes is difficult. This paper ...
A Process-based model for fluidized bed in sand filled reservoirs
(ASCE: American Society of Civil Engineers, 2011)
Arid and semi-arid regions are prone to severe water inadequacies. They are characterized by little rainfall resulting in several seasonal rivers. Seasonal riverbeds provide opportunity for water to be stored in river’s ...