| 含钴二次资源综合回收技术研究进展 |
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| 引用本文： | 郭豪杰,段灼,黄宇坤,化全县,曹亦俊.含钴二次资源综合回收技术研究进展[J].矿产保护与利用,2021,41(5):55-64. |
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| 作者姓名： | 郭豪杰 段灼 黄宇坤 化全县 曹亦俊 |
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| 作者单位： | 郑州大学 化工学院, 河南 郑州 450052 |
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| 基金项目： | 国家自然科学基金青年项目51904275 |
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| 摘 要： | 我国钴资源极度匮乏，严重依赖进口，突出的供需矛盾已成为制约我国钴行业发展的关键。开发含钴二次资源的回收利用技术对于缓解供需矛盾具有重要意义。论文概述了钴矿产资源的分布和储量，介绍了钴二次资源来源及种类，并以含钴冶金渣、废合金、加氢催化剂和废电池等二次资源为主要对象，详细阐述了含钴二次资源中钴的回收利用潜力和相关技术。结果表明，目前含钴二次资源通常采用湿法浸出技术进行回收再利用，其中含钴浸出液中钴与杂质元素的高效分离是回收钴的关键环节。因此，选择性溶出提钴体系和工艺的开发是提高含钴二次资源利用率的核心。
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| 关 键 词： | 钴 二次资源 钴的回收 湿法冶金 高效分离 |
| 收稿时间： | 2021-09-10 |
Research Progress of Comprehensive Recovery Rechnology of Secondary Re-sources Containing Cobalt |
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| GUO Haojie,DUAN Zhuo,HUANG Yukun,HUA Quanxian,CAO Yijun.Research Progress of Comprehensive Recovery Rechnology of Secondary Re-sources Containing Cobalt[J].Conservation and Utilization of Mineral Resources,2021,41(5):55-64. |
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| Authors: | GUO Haojie DUAN Zhuo HUANG Yukun HUA Quanxian CAO Yijun |
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| Affiliation: | School of Chemical Engineering, Zhengzhou University, Zhengzhou 450052, Henan, China |
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| Abstract: | China's cobalt resources are extremely scarce and rely heavily on imports. The prominent contradiction between supply and demand has become the key to restrict the development of China's cobalt industry. The development of recovery and utilization technology of cobalt-containing secondary resources is of great significance to alleviate the contradiction between supply and demand. This paper summarizes the distribution and reserves of cobalt mineral resources, introduces the sources and types of cobalt secondary resources, and focuses on the secondary resources such as cobalt-bearing metallurgical slag, waste alloy, hydrogenation catalyst and waste battery as the main object. the recovery and utilization potential and related technologies of cobalt in cobalt-containing secondary resources are described in detail. The results show that at present, the secondary resources containing cobalt are usually recovered and reused by wet leaching technology, in which the efficient separation of cobalt from impurity elements in the leaching solution containing cobalt is the key link for the recovery of cobalt. Therefore, the development of the system and process of selective leaching and extraction of cobalt is the core to improve the utilization rate of secondary resources containing cobalt. |
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