Continuous Process For The Oxidative Leaching Of Nickel

Abstract: The present invention provides a process for the preparation of a nickel sulphate solution in a column reactor, whereby metal particles containing nickel are reacted with an oxidative leach solution comprising sulphuric acid and hydrogen peroxide in water and whereby the acid in the oxidative leaching solution is substantially depleted.

Patent Information

Application #

Filing Date

30 September 2024

Publication Number

06/2025

Publication Type

INA

Invention Field

METALLURGY

Status

Email

Parent Application

Applicants

UMICORE

Rue du Marais 31 1000 Brussels

Inventors

1. KLAASEN, Bart

UMICORE Watertorenstraat 33 2250 Olen

2. WILLEKENS, Marjon

UMICORE Watertorenstraat 33 2250 Olen

Specification

Documents

Application Documents

#	Name	Date
1	202447073706-STATEMENT OF UNDERTAKING (FORM 3) [30-09-2024(online)].pdf	2024-09-30
2	202447073706-REQUEST FOR EXAMINATION (FORM-18) [30-09-2024(online)].pdf	2024-09-30
3	202447073706-PRIORITY DOCUMENTS [30-09-2024(online)].pdf	2024-09-30
4	202447073706-FORM 18 [30-09-2024(online)].pdf	2024-09-30
5	202447073706-FORM 1 [30-09-2024(online)].pdf	2024-09-30
6	202447073706-DRAWINGS [30-09-2024(online)].pdf	2024-09-30
7	202447073706-DECLARATION OF INVENTORSHIP (FORM 5) [30-09-2024(online)].pdf	2024-09-30
8	202447073706-COMPLETE SPECIFICATION [30-09-2024(online)].pdf	2024-09-30
9	202447073706-FORM-26 [01-10-2024(online)].pdf	2024-10-01
10	202447073706-Proof of Right [12-11-2024(online)].pdf	2024-11-12
11	202447073706-FORM 3 [04-03-2025(online)].pdf	2025-03-04