SXEW

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AcronymDefinition
SXEWSolvent Extraction and Electrowinning (copper mining)
References in periodicals archive ?
During 2016, Spence and Cerro Colorado produced 174,000 metric tons (mt) and 77,000 mt, respectively, of high-quality copper cathode, using oxide and sulphide ore treatment through leaching, solvent extraction and electrowinning processes.
This technique uses heap leaching, solvent extraction and electrowinning meaning that the copper will be dissolved out of the rock and then recovered from the solution.
It will produce approximately 80,000 tonnes of copper per year, and involve processing facilities that employ crushing, leaching, solvent extraction and electrowinning technologies.
Finnish minerals processing technology provider Outotec Oyj (OMX Helsinki: OTE1V) said on Monday (21 July) that it has agreed with Southern Peru Copper Corporation (SPCC) for the delivery of a copper solvent extraction and electrowinning plant for SPCC's Tia Maria project in Arequipa region in Peru.
Procesos Biometalurgicos (PBM), a joint venture company representing all three partners, has produced several tonnes of cathode at its demonstration plant in Monterrey, Mexico using an integrated bioleach, solvent extraction and electrowinning circuit, with design capacity for 500 kg/d of copper.
Outotec will deliver detailed engineering and a complete technology package for a modular copper solvent extraction and electrowinning plant for Sardich MC in Kazandol, Macedonia.
for the delivery of a copper solvent extraction and electrowinning plant for the Franke project located in northern Chile.
For a full-scale plant treating 40% concentrates and producing 200,000 t/y copper via solvent extraction and electrowinning the capital cost is estimated to be US$225 million with an operating cost of US$0.09/lb Cu.
Aker Kvaerner said that the feasibility study would look at the expansion of the leaching, solvent extraction and electrowinning areas, to achieve an increase in the ore treatment.
The project will use new zinc recovery technology, including leaching followed by solvent extraction and electrowinning. Anglo American anticipates that the process will make Skorpion one of the lowest-cost zinc producers in the world.
This process utilized ammonia leaching at low pressure and 75-80[degrees]C followed by solid/liquid separation, solvent extraction and electrowinning [ILLUSTRATION FOR FIGURE 1 OMITTED].