RZOLV Reports Preliminary Positive Laboratory Results for Sequential Copper and Gold Extraction from Selected Low-Grade Copper-Gold Samples

Initial laboratory-scale bottle-roll tests returned calculated-head gold recoveries of 82.3% to 94.8% and copper extraction ...
Nature

Sustainable gold extraction from ore and electronic waste

Sodium bromide was proposed to activate TCCA by nucleophilic attack to generate bromine monochloride (BrCl), which could hydrolyse to hypobromous acid (HOBr) and hydrochloric acid (HCl). The ...
Seeking Alpha

NevGold Announces Up to 99% Gold Recovery From Phase II Metallurgical Testwork on Oxide Antimony-Gold; Identifies More Antimony Mineralization At Surface In Historical Gold ...

Vancouver, British Columbia, April 02, 2026 (GLOBE NEWSWIRE) -- NevGold Corp. (NAU:CA) (“NevGold” or the “Company”) (OTCQX:NAUFF) (Frankfurt:5E50) is pleased to announce further metallurgical testwork ...
Nasdaq

Cabral Gold Receives Excellent Column-Leach Test Results from MG Gold-in-Oxide Material, Cuiú Cuiú Gold District

Column-leach test work indicates heap-leach processing is viable at Cuiú Cuiú, which should result in lower initial capital and operating costs Gold recoveries based on the calculated gold content of ...
Nasdaq

Tectonic Metals Achieves 96% Gold Recovery from First-Ever Heap Leach Column Tests on A Mix of Oxidized and Non-Oxidized Fresh Mineralized Rock from Flat Gold Project

Exceptional Gold Recovery: 96% and 91% gold recoveries from coarse ¾ inch material, representing a mix of oxidized and non-oxidized fresh mineralization from 9 drill holes from the Chicken Mountain ...
Nature

Gold Dissolution from Ore with Iodide-Oxidising Bacteria

Gold leaching from ore using iodide-iodine mixtures is an alternative to gold cyanidation. This study evaluated the ability of iodide-oxidising bacteria to solubilise gold from ore that was mainly ...