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Browsing by Author "Liebenberg, L"

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Complete sulphate removal from neutralised acidic mine drainage with barium carbonate

Author: Swanepoel, H ; De Beer, Morris ; Liebenberg, L Date: Mar 2012 The most widespread method used for the treatment of acidic mine drainage (AMD) is neutralisation through the addition of lime to the effluent in order to raise the pH. As a result, dissolvedmetals precipitate as metal hydroxides while partial ... Read more
Conversion of calcium sulphide to calcium carbonate during the process of recovery of elemental sulphur from gypsum waste

Author: De Beer, Morris ; Maree, JP ; Liebenberg, L ; Doucet, FJ Date: Nov 2014 The production of elemental sulphur and calcium carbonate (CaCO(sub3)) from gypsum waste can be achieved by thermally reducing the waste into calcium sulphide (CaS), which is then subjected to a direct aqueous carbonation step for the generation ... Read more
Synthesis of high-purity precipitated calcium carbonate during the process of recovery of elemental sulphur from gypsum waste

Author: De Beer, Morris ; Doucet, FJ ; Maree, JP ; Liebenberg, L Date: Aug 2015 We 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

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Browsing by Author "Liebenberg, L"

Browsing by Author "Liebenberg, L"

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