Uranium recovry

Abstract

Provided is a process for recovering uranium comprising (a) bringing a solution (I) into contact with a resin (I) to produce a mixture of a solution (II) and a resin (II), wherein the solution (I) is an aqueous solution that comprises 30 to 200 g/L sulfuric acid and that comprises 1 g/L to 50 g/L uranium, and wherein the resin (I) is a strong acid cation exchange resin, and (b) separating the solution (II) from the resin (II).

1 . A process for recovering uranium comprising
 (a) bringing a solution (I) into contact with a resin (I) to produce a mixture of a solution (II) and a resin (II), wherein the solution (I) is an aqueous solution that comprises 30 to 200 g/L sulfuric acid and that comprises 1 g/L to 50 g/L uranium, and wherein the resin (I) is a strong acid cation exchange resin, and   (b) separating the solution (II) from the resin (II).   
     
     
         2 . The process of  claim 1 , wherein the solution (I) has been produced by a process comprising bringing uranium ore into contact with sulfuric acid. 
     
     
         3 . The process of  claim 1 , further comprising
 (cA) bringing a solution (III) into contact with the resin (II) to form a mixture of a solution (IV) and a resin (III), wherein the solution (III) is an aqueous solution comprising 10% or more HCl by weight,   (dA) separating the resin (IV) from the resin (III),   (eA) bringing the solution (IV) into contact with a resin (IV), to produce a mixture of a resin (V) and a solution (V), wherein the resin (IV) is a strong base anion exchange resin or a weak base anion exchange resin, and   (fA) separating the resin (V) from the solution (V).   
     
     
         4 . The process of  claim 3 , further comprising
 (gA) bringing a solution (VI) into contact with the resin (V) to form a mixture of a solution (VII) and a resin (VI), wherein the solution (VI) contains 95% or more water by weight based on the weight of the solution (VI), and   (hA) separating the resin (VI) from the solution (VII).   
     
     
         5 . The process of  claim 1 , further comprising
 (cB) bringing a solution (X) into contact with the resin (II) to form a mixture of a solution (XI) and a resin (XI), wherein the solution (X) is an aqueous solution comprising dissolved Na 2 SO 4  or dissolved (NH 4 ) 2 SO 4 , and   (dB) separating the resin (XI) from the solution (XI).   
     
     
         6 . The process of  claim 5 , further comprising
 (dB) bringing a solution (XII) into contact with the resin (XI), to form a mixture of a solution (XIII) and a resin (XII), wherein the solution (XII) is an aqueous solution comprising dissolved H 2 SO 4 , and   (eB) separating the resin (XII) from the solution (XIII).