Author:De Beer, MorrisDate:May 2014Precipitated calcium carbonate is a material of great interest due to its large range of applications. Although there are extensive reserves of limestone worldwide, very few deposits are of sufficient quality to provide raw materials for ...Read more
Author:De Beer, Morris; Doucet, FJ; Maree, JP; Liebenberg, LDate:Aug 2015We recently showed that the production of elemental sulphur and calcium carbonate (CaCO3) from gypsum waste by thermally reducing the waste into calcium sulphide (CaS) followed by its direct aqueous carbonation yielded low-grade carbonate ...Read more