Cyanide-Free Precious Metals Extraction. HM X-leach is a privately branded reagent under license to Mineworx by Enviroleach Technologies Inc. Eco-friendly, gold extraction, comparable leach kinetics to that of cyanide or acid based lixiviants on ores, concentrates, tailings and E-Waste.
gold extraction - gold and copper processing. gold extraction refers to the processes required to extract gold from its ores.this may require the event that there are high levels of copper present,leaching of the precipitate using nitric or sulfuric acids may be required.
It has been explained in an earlier talk that solvent extraction in the copper industry is used to convert impure, and frequently very dilute copper solutions into very pure and concentrated solutions from which pure copper can be extracted by a variety of means, usually electrochemical.