(19)
(11) EP 4 551 728 A1

(12)

(43) Date of publication:
14.05.2025 Bulletin 2025/20

(21) Application number: 23739226.1

(22) Date of filing: 05.07.2023
(51) International Patent Classification (IPC): 
C22B 3/08(2006.01)
C22B 30/06(2006.01)
 C22B 7/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C22B 30/06; C22B 3/08; C22B 7/007; Y02P 10/20
(86) International application number:
PCT/EP2023/068534
(87) International publication number:
WO 2024/008789 (11.01.2024 Gazette 2024/02)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 08.07.2022 EP 22382653

(71) Applicant: Consejo Superior de Investigaciones Cientificas
28006 Madrid (ES)

(72) Inventors:
  • CÓRDOBA SOLA, Patricia
    08034 Barcelona (ES)
  • CORTINA PALLAS, Jose Luis
    08034 Barcelona (ES)
  • LÓPEZ RODRÍGUEZ, Julio
    08034 Barcelona (ES)
  • VALDERRAMA ANGEL, Cesar Alberto
    08034 Barcelona (ES)

(74) Representative: Ungria López, Javier 
Avda. Ramón y Cajal, 78
28043 Madrid
28043 Madrid (ES)

   


(54) A METHOD FOR THE SELECTIVE RECOVERY OF BISMUTH FROM SOLID IMPURITY STREAMS GENERATED DURING THE PRIMARY PRODUCTION OF COPPER