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| Analysis of the Current Recycling Status and Large-scale Utilization Potential of Lithium Slag |
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Received:November 30, 2024
Revised:December 06, 2024
Accepted:December 09, 2024
Published Online:March 18, 2025
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| DOI：doi：10.20237/j.issn.1007-7545.2025.04.003 |
| KeyWord:lithium ore; leaching residue; building materials; inorganic materials; metal recycling; zeolite; resource utilization; soilization |
| Author | Institution |
| ZHENG Yi |
中南大学 冶金与环境学院 |
| ZOU Weimin |
江西永兴特钢新能源科技有限公司 |
| LI Qingzhu |
中南大学 冶金与环境学院 |
| LI Shentu |
中南大学 冶金与环境学院 |
| HOU Shuangle |
中南大学 冶金与环境学院 |
| KE Yong |
中南大学 冶金与环境学院 |
| YANG Weichun |
中南大学 冶金与环境学院 |
| WANG Yunyan |
中南大学 冶金与环境学院 |
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| Abstract: |
| With the rapid development of the new energy industry, the global demand for lithium salt grows rapidly. The existing lithium extraction processes from lithium-bearing ores generate a substantial amount of lithium slag, with annual emissions in China exceeding 15 million tons. The comprehensive utilization rate of this slag is relatively low, primarily directed towards the construction materials sector, such as cement and concrete. However, as related standards become increasingly stringent, the large-scale utilization of lithium slag has emerged as an urgent issue that needs to be addressed. Based on the discussing of the application of lithium slag in the preparation of building materials and the synthesis of inorganic materials, The high-value utilization methods such as the recovery of metal resources from lithium slag, the production of zeolite molecular sieves were summarized. Furthermore, the large-scale ecological reclamation strategies of soilization for the disposal of lithium slag were proposed. It provides recommendations for the resource utilization and large-scale consumption of lithium slag, and escorts the vigorous development of lithium salt industry. |
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