Measuring froth stability

摘要

- 17 A method of measuring froth stability (as described herein) of a froth in a cell of a flotation circuit for a 5 slurry of a mined mineral containing valuable material and gangue materials is disclosed. The method includes a step of measuring one or more than one froth stability parameter using a measurement column arranged to extend downwardly through the froth in the cell to a location 10 below an interface between the froth and the slurry in the cell. A method of controlling the operation of a flotation cell that is based on the froth stability measurement method is also disclosed. 1134051.2 (GHMatters) COLUMN FROTH HEIGHT V TME CELL 2,=0 /270 m3/hr FROTHER=2Og/ton 18'0.0 0 2000 4- 60-0 8000 fit t>5)-FIG/dt COMPAR1k5ON OF FROTH /57A5/L/TK CUIRVES "DOWN THE BANK"-r FROT77 HEIGHT A 5 A FU'NCTIOAN OF TIME 0=f/70m, 3 /hr C: f49 j 1 o 0 000 6000 15000 2000 t(5)