Patent ID: 11884554
Assignee: BASF SE
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B | IPC C

Claim 0:
1. A process for precipitating a carbonate or (oxy)hydroxide comprising nickel from an aqueous solution, the process comprising combining an aqueous solution of at least two different metal salts of which one is a nickel salt with an aqueous solution of an alkali metal hydroxide or (hydrogen)carbonate,
wherein the process is carried out in a vessel comprising
(A) a vessel body,
(B) an element that controls a hydraulic flow of a slurry formed during the precipitating and that induces a loop-type circulation flow, wherein (B) is selected from the group consisting of a draft tube and a guide vane, and
(C) a stirrer whose stirrer element is in the vessel and located below (B).