Patents Assigned to G.E. CONSEILS SPRL
  • PROCESS FOR THE RECOVERY OF PRECIOUS METALS FROM USED AND/OR DEFECTIVE CATALYTIC CARRIERS
    Publication number: 20110028306
    Abstract: Process for recovering precious metals from catalytic carriers comprising at least the following stages: Stage 1: treatment of the carriers with at least one aqueous composition Stage 2: treatment of the carriers with an acid solution containing at least sulphuric acid but weak in nitric acid Stage 3: treatment of the carriers with an acid solution containing nitric acid and hydrochloric acid.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 3, 2011
    Applicant: G.E. CONSEILS SPRL
    Inventors: Daniel VARIABEL, Francis GIVRON