Platinum, palladium and gold leaching from magnetite ore, with concentrated chloride solutions and ozone

Add time:08/06/2019    Source:sciencedirect.com

A leaching process for platinum contained in a magnetite ore was studied, as an alternative process to cyanidation and aqua regia digestion. The proposed process employs concentrated chloride solutions and ozone gas injection during the entire leaching process. The effect of pH, chloride concentration and temperature was analyzed. Under atmospheric pressure at a temperature below 30 °C, after 3 h of leaching, metal extraction > 90, 70 and 50% was attained for Pt, Pd and Au, respectively. The apparent activation energies for Pt, Pd and Au were found to be 44, 39 and 23 kJ/mol, respectively. The magnetite mineral matrix was not attacked during the leaching of platinum group metals.

We also recommend Trading Suppliers and Manufacturers of PLATINUM-PALLADIUM-GOLD ALLOY (cas 127330-90-9). Pls Click Website Link as below: cas 127330-90-9 suppliers

Prev:Fluorination of 4-alkyl-substituted phenols and aromatic ethers with fluoroxy and N-F reagents: Cesium fluoroxysulfate and N-fluoro-1,4-diazonia-bicyclo[2.2.2]octane dication salts case
Next:Selective recovery of gold, palladium, or platinum from acidic waste solution)