Patent ID: 8900342
Filing Date: 2014-12-02
Classification: C22B,Y02P

Abstract:
1. A process for the recovery of cobalt comprising: i. providing a high tenor cobalt solution from a cobalt refinery having at least 10 g/L of cobalt, wherein the high tenor cobalt solution additionally comprises nickel, ii. contacting the high tenor cobalt solution with an N-(2-hydroxypropyl)picolylamine resin to load the N-(2-hydroxypropyl)picolylamine resin with cobalt and nickel; iii. selectively eluting the cobalt with an eluent from the loaded N-(2-hydroxypropyl)picolylamine resin; and iv. after said step iii, selectively eluting the nickel from the loaded N-(2-hydroxypropyl)picolylamine resin.