Fremgangsmåde og apparatur til udvinding af metaller fra udvindingsmæssigt vanskelige metalertser

摘要

A method for extraction a metal from a mineral ore including a refractory ore contained in a metal. The method includes concentration of refractory ore followed by micronization of the concentrate until gold is liberated by the extraction solution and mixing of micronized concentrate with concentration rejects or by-products to facilitate recovery of the treatment solution.