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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.
Process to recover copper and / or precious metal by leaching with an alkaline leach and an amino acid or derivative thereof; alkaline leaching solution comprising amino acid or a derivative thereof and having a ph of at least 9.
"method for recovering precious metal from solution containing precious metal ions,extracting agent or adsorbent used therefor and back-extracting agent or desorbent"