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Idwala Lime, Daniëlskuil, South Africa

Customer // Idwala // PRO Primary COLOR // sorting silica-rich waste from lime stone
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Limestone sorting at Idwala in South Africa

Published: 08/06/2011
Category: Case Studies

The largest limestone plant of the African company Idwala Lime near Daniëlskuil in South Africa With the installation of a CommodasUltrasort machine in 2006, Idwala Lime took multiple steps towards increasing its production efficiency. Optical sorting now allows limestone to be extracted from the previously discarded layers of low-grade stone. The sorting plant has thus significantly increased the limestone reserve in so far as the lifetime of the mine has doubled. Nowadays less material needs to be mined in order to obtain the same quantity of quicklime, the final product. As a result, the production facility has improved significantly and the amount of waste rock to be hauled and dumped has also halved.