Selektive Rückgewinnung von Nickel und Kobalt aus Nickel-Kobalt-Mangan-Materialien

Details

Veröffentlichungs-Nr.

EP4726062

Anmeldetag

8. Oktober 2024

Veröffentlichung

15. April 2026

Rechtsraum

EP

IPC

(UNIV OF OULU et al.)(JINCHUAN GROUP CO LTD et al.)(UMICORE NV et al.)

Abstract

the present invention provides a process for selective recovery of nickel and cobalt from nickel-cobalt-manganese materials, comprising the steps of: i. contacting said material with a sulphuric acid solution at a pH of at most 1 and at elevated temperature in absence of a reducing agent; ii. adding a reducing agent to the reaction mixture obtained in step i. and maintaining the resulting mixture at a pH of at most 1 and at elevated temperature; and iii. separating the manganese rich solid phase from the nickel and cobalt rich liquid phase.

Anmelder

Firma

Umicore

Land

🇧🇪 Belgien