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| Research on New Process for Separating and Purifying Platinum and Palladium from Secondary Resource of Precious Metals Iron Alloys |
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Received:November 16, 2024
Revised:November 25, 2024
Accepted:November 25, 2024
Published Online:February 18, 2025
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| DOI：doi：10.20237/j.issn.1007-7545.2025.02.017 |
| KeyWord:Precious;iron alloys, prepreg;iron removal, deep;impurity removal, purification;of platinum;palladium |
| Author | Institution |
| CHEN Zhi-yu |
金川集团上海金属资源有限公司 |
| WANG De-yu |
金川集团铜业有限公司 |
| PAN Cong-ming |
金川集团铜贵有限公司 |
| ZHOU He-li |
金川集团铜贵有限公司 |
| LIAN Hui-liang |
金川集团铜贵有限公司 |
| GAO Xiang-qian |
金川集团铜贵有限公司 |
| YANGLi-hong |
金川集团铜贵有限公司 |
| ZUO Fu-ming |
金川集团铜贵有限公司 |
| FANG Xiao |
金川集团铜贵有限公司 |
| PAN Wang |
金川集团铜贵有限公司 |
| WANG Zi-dong |
金川集团铜贵有限公司 |
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| Abstract: |
| In this paper, all kinds of insoluble slag in Jinchuan platinum group metal production line and domestic recovered platinum group metal secondary resources are combined to produce ferroalloy by pyroiron trapping. The process of preleaching iron removal - deep impurity removal - platinum-palladium enrichment - platinum-palladium purification is adopted, and the key parameters are experimentally studied, so as to realize the separation and purification of platinum-palladium in ferroalloy. The output of 99.99% platinum and palladium products in line with GB/T1420-2015 national standard has formed a new process route for wet treatment of ferroalloy, which has the purpose of short process flow, high recovery rate, high product quality and industrial production. |
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