CA2059428A1 - Recovery of nickel from uranium containing ore - Google Patents

Recovery of nickel from uranium containing ore

Info

Publication number
CA2059428A1
CA2059428A1 CA 2059428 CA2059428A CA2059428A1 CA 2059428 A1 CA2059428 A1 CA 2059428A1 CA 2059428 CA2059428 CA 2059428 CA 2059428 A CA2059428 A CA 2059428A CA 2059428 A1 CA2059428 A1 CA 2059428A1
Authority
CA
Canada
Prior art keywords
nickel
uranium
recovery
radium
raffinate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2059428
Other languages
French (fr)
Other versions
CA2059428C (en
Inventor
Edmond K. Lam
Robert C. Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cameco Corp
Original Assignee
Cameco Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cameco Corp filed Critical Cameco Corp
Priority to CA 2059428 priority Critical patent/CA2059428C/en
Publication of CA2059428A1 publication Critical patent/CA2059428A1/en
Application granted granted Critical
Publication of CA2059428C publication Critical patent/CA2059428C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

Nickel is found in substantial quantities in some uranium-containing ores. Recovery of uranium from such ores by the known acid leaching process includes a solvent extraction stage that leaves an aqueous raffinate containing nickel, together with other components including iron, arsenic, radium 226 and uranium. Attempts have been made to recover nickel from this raffinate but have not been successful because the costs of recovery are so high that the process is uneconomic or because the nickel obtained is contaminated with radium 226 and uranium to such a degree that the nickel is unacceptable. The present invention provides a process for obtaining from the raffinate a solution of a nickel salt that is not unacceptably contaminated with radium 226 and uranium. The process is economic and in a preferred embodiment uses only air, lime and a barium salt, preferably barium chloride, as reagents. If cobalt is also present in the ore it is recovered with the nickel.
CA 2059428 1992-01-14 1992-01-14 Recovery of nickel from uranium containing ore Expired - Fee Related CA2059428C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2059428 CA2059428C (en) 1992-01-14 1992-01-14 Recovery of nickel from uranium containing ore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2059428 CA2059428C (en) 1992-01-14 1992-01-14 Recovery of nickel from uranium containing ore

Publications (2)

Publication Number Publication Date
CA2059428A1 true CA2059428A1 (en) 1993-07-15
CA2059428C CA2059428C (en) 1998-04-28

Family

ID=4149099

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2059428 Expired - Fee Related CA2059428C (en) 1992-01-14 1992-01-14 Recovery of nickel from uranium containing ore

Country Status (1)

Country Link
CA (1) CA2059428C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107416914A (en) * 2017-06-15 2017-12-01 南昌航空大学 A kind of method that 5709 fractional extraction prepares 5N level nickel sulfates

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107188244B (en) * 2017-06-23 2018-10-09 南昌航空大学 A kind of method that P229 fractional extractions prepare 6N grades of nickel sulfates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107416914A (en) * 2017-06-15 2017-12-01 南昌航空大学 A kind of method that 5709 fractional extraction prepares 5N level nickel sulfates
CN107416914B (en) * 2017-06-15 2018-11-02 南昌航空大学 A kind of method that 5709 fractional extraction prepares 5N grades of nickel sulfates

Also Published As

Publication number Publication date
CA2059428C (en) 1998-04-28

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