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| A review of the development of high pressure acid leaching technology for laterite nickel ore |
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Received:August 07, 2024
Revised:October 09, 2024
Accepted:October 28, 2024
Published Online:August 05, 2025
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| DOI： |
| KeyWord:laterite nickel ore; high pressure acid leaching(HPAL); two-stage pressure leaching; tailings |
| Author | Institution |
| Liu san ping |
BGRIMM Technology Group |
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| Abstract: |
| As the demand for nickel in the new energy industry continues to expand, laterite nickel ore high-pressure acid leaching technology has been vigorously promoted and applied in the nickel smelting industry due to its advantages such as high nickel and cobalt recovery rate and strong product adaptability. This article explains the principles, process characteristics, development history and application status of the laterite nickel ore high-pressure acid leaching (HPAL) process, introduces the advantages and disadvantages of the nickel and cobalt enrichment process, and analyzes the HPAL process using "two-stage pressure leaching" as an example. The development prospects of technology improvement and tailings treatment and other processes were prospected. |
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