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A cell in which the solids-water pulp feed is kept agitated, and is
circulated by means of an impeller mounted at the bottom of a vertical
shaft. The rotating impeller creates vacuum enough to draw air down the
standpipe surrounding the impeller shaft, and the impeller disperses the
air throughout the pulp in the form of small bubbles. The flotable
minerals are carried upward by the bubbles and eventually collect in the
froth above the pulp in the machine. Automatic scrapers remove the
mineral-laden froth that contains the concentrate, and after the values
have been removed, the barren pulp containing the tailing flows out of the
cell. Newton, 1
Source:
Dictionary of Mining, Mineral, and Related Terms
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