Research progress on the removal, recovery and direct high-value materialization of valuable metal elements in electroplating/electroless plating waste solution
Research progress on the removal, recovery and direct high-value materialization of valuable metal elements in electroplating/electroless plating waste solution
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电镀/化学镀废液中有价金属元素去除回收及直接高值物化研究进展
DOI：
10.1016/j.jwpe.2022.102577
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发表时间：
2022-04
影响因子：
7
通讯作者：
Mingyong Wang
中科院分区：
文献类型：
--
作者：
Xiangtao Yu;Yue Hou;Xiangyu Ren;Chengchun Sun;Mingyong Wang
随着电镀和化学镀工业的不断发展，每年产生大量的废液，主要包括废镀液和镀件冲洗废水。废液排放标准也在不断提高。如果不及时有效地处理电镀/化学镀废液，将占用工厂土地资源，增加运行成本，并对环境和人体健康构成严重威胁。此外，废液中丰富的贵重金属资源不能得到充分的再利用。因此，迫切需要开发更先进的电镀/化学镀废液处理技术。本文以电镀/化学镀Ni （Cu）废液（废镀液和镀件冲洗废水）为研究对象，分析废液产生的原因及成分特征。从简单直接去除有价金属元素、有价金属元素分离回收、废液直接制备高价值材料三个方面综述了电镀/化学镀废液处理技术的原理、优缺点及优化进展。分析了多方法联合处理废液的技术优势。提出了废液直接高价值物化利用等进一步的研究方向。
With the continuous development of the electroplating and electroless plating industries, a large amount of waste solution is generated every year, mainly including spent plating solution and plating pieces rinse wastewater. The discharge standard of waste solution is also continuously improved. If the electroplating/electroless plating waste solution is not treated timely and effectively, it will occupy the land resources of the factory increasing the operating cost, and pose a serious threat to the environment and human health. Additionally, the rich valuable metal resources in the waste solution will not be adequately reused. Therefore, there is an urgent need to develop more advanced electroplating/electroless plating waste solution treatment technologies. Herein, the electroplating/electroless Ni (Cu) plating waste solution (spent plating solution and plating pieces rinse wastewater) is taken to analyze the causes and component characteristics of the waste solution. The principle, advantages and disadvantages, and optimization progress of the treatment technology for electroplating/electroless plating waste solution are summarized from three aspects: simple and direct removal of valuable metal elements, separation and recovery of valuable metal elements, and direct preparation of high-value materials from waste solution. The technical advantages of multi-method combined treatment of waste solution have been analyzed. Further research direction such as direct high-value materialization utilization of waste solution is proposed.
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