WO2025003271 - BATCH PROCESS FOR THE OXIDATIVE LEACHING OF NICKEL AND COBALT
National phase entry is expected:
Publication Number
WO/2025/003271
Publication Date
02.01.2025
International Application No.
PCT/EP2024/068019
International Filing Date
26.06.2024
Title **
[English]
BATCH PROCESS FOR THE OXIDATIVE LEACHING OF NICKEL AND COBALT
[French]
PROCÉDÉ DISCONTINU POUR LA LIXIVIATION OXYDATIVE DE NICKEL ET DE COBALT
Applicants **
UMICORE
Rue du Marais 31
1000 Brussels, BE
Inventors
NEVEN, Margot
Umicore
Watertorenstraat 33
2250 Olen, BE
KLAASEN, Bart
Umicore
Watertorenstraat 33
2250 Olen, BE
VERDICKT, Werner
Umicore
Watertorenstraat 33
2250 Olen, BE
Priority Data
23181490.6
26.06.2023
EP
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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International Searching Authority |
EPO
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| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
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| Translation |
|
Recalculate
* The data is based on automatic recognition. Please verify and amend if necessary.
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1146 | |
| EPO | Filing, Examination | 4852 | |
| Japan | Filing | 533 | |
| South Korea | Filing | 575 | |
| USA | Filing, Examination | 2635 |
Total: 9741 USD
Abstract[English]
The present invention provides a process for the batch preparation of a nickel or cobalt sulphate solution in a reactor, whereby metal particles containing nickel or cobalt, respectively, are reacted with sulphuric acid, and whereby hydrogen peroxide is added until the sulphuric acid is sufficiently depleted.[French]
La présente invention concerne un procédé de préparation discontinue d'une solution de sulfate de nickel ou de cobalt dans un réacteur, des particules métalliques contenant du nickel ou du cobalt, respectivement, étant mises à réagir avec de l'acide sulfurique, et du peroxyde d'hydrogène étant ajouté jusqu'à ce que l'acide sulfurique soit suffisamment appauvri.