Process for recovering particles suspended in an aqueous slime

Details Process for recovering particles suspended in an aqueous slime Process for recovering particles suspended in an aqueous slime

C - Chemistry, Metallurgy

22

B

C22B 11/00 (2006.01) C01B 31/06 (2006.01) C22B 3/00 (2006.01) C22B 3/22 (2006.01)

Patent

CA 2368876

A process for recovering mineral particles, metal particles or small precious stones from an aqueous slime associated with an ore body or mineral deposit or processing thereof, said aqueous slime containing mineral particles, metal particles or small precious stones in suspension with slime particles. The process includes adding a sufficient amount of deflocculating agent to the aqueous slime to cause deflocculation of the slime particles and produce a deflocculated suspension containing the mineral particles, metal particles or small precious stones. The deflocculated suspension is allowed to settle, and the settled material containing the mineral particles, metal particles or small precious stones is recovered.

L'invention concerne un procédé de récupération de particules minérales, de particules métalliques ou de petites pierres précieuses d'un limon aqueux associé à un corps minéralisé ou à un dépôt de minéraux ou à un traitement de ceux-ci. Ledit limon contient des particules minérales, des particules métalliques ou des petites pierres précieuses en suspension avec des particules de limon. Le procédé consiste à ajouter d'une dose suffisante de défloculant au limon aqueux pour causer la défloculation des particules de limon et produire une suspension défloculée contenant les particules minérales, les particules métalliques ou les petites pierres précieuses. On laisse la suspension défloculée se déposer, et on récupère le matériel déposé contenant les particules minérales, les particules métalliques ou les petites pierres précieuses.

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