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Imerys automates mining operations with ABB drives and controllers(31/01/2007)
Karslake is a 300m-deep open pit around 2km long in Cornwall, owned by Imerys. The mine produces tens of thousands of tonnes per week of kaolin, an inert white mineral used in products such as paper, plastics and paints. Imerys recovers the kaolin by washing it from the rock face using high pressure water. The resulting mixture of water, kaolin and gravel is then pumped away for further processing. Although the downstream drying and refining processes were already automated and controlled ce... [more]
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