Method for recovering components from a feed slurry

Details Method for recovering components from a feed slurry Method for recovering components from a feed slurry

B - Operations, Transporting

03

D

B03D 1/02 (2006.01) B03D 1/14 (2006.01)

Patent

CA 2442523

A method of recovering a valuable component from a feed slurry in minerals processing plant for a mined material is disclosed. The method includes separating the feed slurry on the basis of particle size into at least two streams, of which one stream is a fines stream. The pH of the fines stream is then adjusted to be within a range in which contaminants on the surface of the fines are soluble so that contaminants dissolve from the surface of the fines. Thereafter, the valuable component is floated from the pH adjusted fines stream.

La présente invention concerne un procédé de récupération d'un constituant intéressant dans des boues de charge d'une usine de traitement des minerais d'une matière exploitée. Le procédé consiste à séparer les boues de charge en fonction de la grosseur particulaire, en au moins deux écoulements, un de ces deux écoulements étant un écoulement de fines. Le pH de l'écoulement de fines est ensuite ajusté pour se situer dans une plage dans laquelle les contaminants situés en surface sur les fines, sont solubles et se dissolvent. Le constituant intéressant est ensuite récupéré par flottaison dans l'écoulement de fines à pH ajusté.

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