Method for producing a bulk concentrate

Details Method for producing a bulk concentrate Method for producing a bulk concentrate

B - Operations, Transporting

03

B

B03B 9/06 (2006.01) B03B 1/00 (2006.01) C22B 11/00 (2006.01)

Patent

CA 2739660

The invention relates to methods for producing a bulk enrichment concentrate for extracting noble metals from clay-salt waste (slurries) from plants which process potassium-magnesium ores and rock salt. The method for producing a bulk concentrate for extracting noble metals involves the three-stage hydrocyclone separation of the slurries and the isolation of the concentrate. The bulk concentrate produced by the hydrocyclone separation in the form of a mixture of sedimentary and floating material with a 1:1 solid-to-liquid ratio is desiccated, pre-dried, granulated and then dried.

Linvention concerne des procédés de production dun concentré collectif denrichissement afin dextraire des métaux précieux de déchets argileux-salins (boues) issus dentreprises traitant des minerais de potassium et de magnésium et de la halite. Le procédé de production de concentré collectif en vue de lextraction de métaux précieux consiste à effectuer un hydrocyclonage en trois phases des boues afin de séparer le concentré, le concentré collectif obtenu après lhydrocyclonage, qui se présente sous forme dun mélange de matériaux sédimentés et flottants selon une proportion S:L 1:1, étant ensuite déshydraté, pré-séché, mis sous forme de granules, puis séché.

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