The scarcity of water in South Africa is exacerbated by pollution of the surface- and ground- water resources. Typical pollutants of the aquatic environment include acid mine drainage and industrial effluents. AMD and ...

Precipitated calcium carbonate (PCC) is a material of great interest due to its large range of applications in polymer composites, as rubber filler, additive for plastics, paints and paper, and in pharmaceuticals. PCC is ...