Tag: Acid Pre-Cleaning

Sequential Acid–Cyanide Diagnostic Leaching to Quantify Cyanide-Soluble Copper in a Gold-Bearing Oxidized Copper Ore

Antonio Clareti Pereira* PhD in Chemical Engineering University of São Paulo (USP) Belo Horizonte – MG – Brazil DOI: 10.5281/zenodo.22286399 Copper-bearing minerals can strongly interfere with gold cyanidation because dissolved copper forms stable Cu(I)–cyanide complexes and competes for free cyanide. Read More …