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| Effect of Occurrence Characteristics of Nickel and Cobalt in a Laterite Nickel Deposits on Its Recycling |
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Received:November 15, 2023
Revised:December 05, 2023
Accepted:December 11, 2023
Published Online:January 26, 2024
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| DOI：doi：10.3969/j.issn.1007-7545.2024.03.007 |
| KeyWord:limonite; laterite nickel ore; occurrence state; high-pressure acid leaching process; nickel; cobalt |
| Author | Institution |
| XU Chen |
矿冶科技集团有限公司 |
| XIAO Yiwu |
矿冶科技集团有限公司 |
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| Abstract: |
| Limonite-type laterite nickel deposits is an important resource rich in nickel, cobalt and iron, represents a significant and highly valuable resource for comprehensive utilization. The occurrence state of nickel and cobalt in laterite nickel deposits was studied to understand the influence of occurrence state on the in-depth recovery and utilization of nickel and cobalt. Through detailed process mineralogy study, it is clear that nickel and cobalt mainly occur in limonite, manganese hydrate oxide and manganese-nickel minerals. Based on these characteristics, high-pressure acid leaching process is identified as the optimal smelting and recycling method. The research provides crucial insights for the efficient utilization of limonitic nickel deposits and beneficial enlightenment for related industrial applications and environmental protection. |
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