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The most popular method of the beneficiation of the finest particles of useful minerals with the size 1–0 is froth flotation. It is a common knowledge that the concentrate resulting from this process requires dewatering and then additional drying, e.g. thermal, in order to meet customers’ requirements. There are a number of methods used in the dewatering of mineral concentrates. The most popular technologies utilised at coal processing plants in Poland are: vacuum filters, e.g. disc type, screen-bowl decanter centrifuges and filter presses. The focus of this paper is on the latter technology which in many respects overshadows the former two.

Utilisation of pressure filtration using filter presses for the dewatering of the finest particles of mineral concentrates