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Método de lixiviación de cobre a partir de mena de sulfuro de cobre que comprende lixiviar cobre a partir de una mena que comprende sulfuro de cobre mediante lixiviación en pilas o en botadero, usando solución de h2so4 conteniendo iones férricos y iones de yoduro, a concentración de yodo de 8 a 100mg/l como solución lixiviante.Copper leaching method from copper sulphide ore comprising leaching copper from a ore comprising copper sulphide by leaching in piles or dumps, using h2so4 solution containing ferric ions and iodide ions, at a concentration of iodine from 8 to 100mg / l as a leaching solution.
CL2009002122A2009-08-242009-11-23
Copper leaching method in piles or in the dump from copper sulphide ore.
CL2009002122A1
(en)
Process for preparing a ferric nitrate reagent from copper raffinate solution and use of such reagent in the leaching and/or curing of copper substances
Process for preparing a ferric nitrate reagent from copper raffinate solution and use of such reagent in the leaching and/or curing of copper substances
Diarsenic trioxide processing method comprising a leaching step in which water is added to the diarsenic trioxide to produce a slurry, the arsenic is leached and an oxidant is added, a deoxidation step and a scorodite precipitation step; and arsenic oxidation methods.
Method for treating an acid solution containing iodide ions and iron ions (ii), which comprises oxidizing the iron ions in said solution to iron ions (iii) by iron oxidizing microorganisms, where oxidation is carried out in the presence of activated carbon; and method for leaching copper from a copper sulphide ore.
Method for leaching copper sulphide ore with h2so4 solution comprising iodide ion and iron ion (iii) in excess over iodide ion, reducing iodine concentration, in the solution obtained after leaching, to less than 1 mg / l treating with activated carbon and oxidize the iron ion (ii) using microbes that oxidize iron.
"method for recovering precious metal from solution containing precious metal ions,extracting agent or adsorbent used therefor and back-extracting agent or desorbent"
METHOD FOR RECOVERING COPPER FROM COPPER SULFIDE MINERALS THAT INCLUDE USING A SULFURIC ACID SOLUTION WITH AN ADJUSTED CHLORINE ION CONCENTRATION BETWEEN 6 AND 18 GR / L AND PH BETWEEN 1.6 AND 2.5 AS A LIXIVIATION AND LIXIVIATE COPY SOLUTION
Method for oxidizing fe (ii) ions in acid solution containing iodide ions and fe (ii) ions, comprising step (a) in which the fe (ii) ions in acid solution containing iodide ions and fe (ii) ions are oxidized by microbes immobilized in a vehicle, step (b) comprises the sedimentation of the solution containing iodide ions, ferric ions and immobilizing vehicle with adhered microbes and step (c) of reintroducing into the reactor in step (a) .