Bioleaching Extraction of Valuable Metal From E-Wastes: A Mini Review

Mingjun Jiang, Siyu He, Yongkui Zhang
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Abstract

Electrical waste (E-waste) is a significant global issue, with an annual generation of over 50 million tons, causing detrimental effects on both the environment and human health. However, E-waste is also known as a secondary valuable metal resource. Although hydrometallurgy and pyrometallurgy are still the preferred methods for metal recovery from E-wastes, bioleaching has gained significant attention as a promising alternative for metal recovery from E-wastes due to its sustainability, environmental friendliness, and cost efficiency. In this review, different chemical principles of bioleaching were first discussed. Major bacterial groups that can be applied in bioleaching were then introduced. The bioleaching procedures and applications have been summarized and analyzed. Finally, a few perspectives were made on potential future research on bioleaching.
生物浸出法提取电子废物中的贵金属:小型回顾
电子废物(E-waste)是一个重大的全球性问题,每年产生的数量超过 5000 万吨,对环境和人类健康都造成了有害影响。然而,电子垃圾也是众所周知的二次宝贵金属资源。尽管湿法冶金学和火法冶金学仍是从电子废物中回收金属的首选方法,但生物浸出法因其可持续性、环境友好性和成本效益而备受关注,成为从电子废物中回收金属的一种有前途的替代方法。在本综述中,首先讨论了生物浸出的不同化学原理。然后介绍了可用于生物浸出的主要细菌群。对生物浸出的程序和应用进行了总结和分析。最后,对生物浸出未来的潜在研究提出了一些看法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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