Controlling froth flotation
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United States of America Patent
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Sep 19, 2017
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app pub date -
Nov 16, 2011
filing date -
Nov 16, 2010
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Abstract
A method of controlling a froth flotation cell in a froth flotation circuit for separating substances comprises periodically carrying out a control routine to maximize froth stability during the operation of the cell. The control routine comprises changing the gas flow rate to the cell in a series of steps and assessing the froth stability at each gas flow rate and continuing the step changes in the gas flow rate until the froth stability is a peak froth stability or is within a predetermined range of the peak froth stability of the cell.
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