Patent ID: 9102994
Filing Date: 2015-08-11
Classification: C01G,C01P,C22B,G21C,G21F,Y02E,Y02P,Y02W

Abstract:
1. A process for recovering at least one platinoid element contained in an acidic aqueous solution comprising chemical elements other than said platinoid element, said process comprising the following steps: bringing said acidic aqueous solution into contact with a reducing amount of a reducing agent which is a non-sulphurous and non-glucidic alcoholic compound chosen from monocyclic aromatic compounds, the ring of which bears at least one, linear or branched, saturated or unsaturated hydrocarbon group, bearing at least one hydroxyl group and the ring of which also optionally bears one or more groups other than the hydrocarbon group, which reducing agent reduces said platinoid element to its 0 oxidation state; and separating the reduced platinoid element from said acidic aqueous solution.