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生物冲洗的过程优化,以从废旧的离子电池中可持续回收金属

Rahul Rautela¹, Bholu Ram Yadav¹, Sunil Kumar¹

¹CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, Maharashtra 440 020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002 Uttar Pradesh, India.

Bioresource technology

|December 21, 2025

概括

这项研究探讨了从废弃的离子电池中可持续回收金属的生物溶解. 微生物联盟SC1显示了和铜提取的最高效率,提供了一个环保的回收解决方案.

科学领域:

环境科学环境科学
微生物学微生物学
材料科学材料科学材料科学

背景情况:

废弃的离子电池 (LiBs) 由于处置不当,造成了环境挑战.
从废弃的 LiB 进行可持续的金属回收对于资源保护和循环经济原则至关重要.
生物炼为传统的金属提取水力金方法提供了一个环保的替代方案.

研究的目的:

调查微生物联盟在废弃 LiBs.中的生物溶解金属方面的潜力.
优化生物炼过程以提高金属回收.
为可持续的金属回收利用确定最有效的微生物联盟.

主要方法:

从受电子废物污染的土壤中分离和描述三个微生物联盟 (SC1,SC2,SC3).
使用响应表面方法学优化生物化参数.
评估金属洗效率 (Li,Cu,Co) 和动力学研究.

主要成果:

微生物联盟主要属于Firmicutes属.
在优化条件下,SC1实现了86%的Li和87%的Cu生物溶解效率 (10g/L纸密度,30%的注射剂大小,48小时).
SC3显示最大的透效率为42%,动力学研究表明膜扩散控制机制.

结论:

微生物联盟SC1是最有效的从废物LiB中回收Li和Cu的.
该研究表明,利用微生物可以有效和可持续地从废旧电池中回收金属.
生物洗为解决 LiB 废物管理提供了一个有希望的绿色技术.

关键词:

生物方法生物方法离子电池是一种离子电池.金属回收利用的方法响应表面方法响应表面方法缩小核心模型的缩小核心模型

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