Product recovery from Li-ion battery wastes coming from an industrial pre-treatment plant: Lab scale tests and process simulations

Giuseppe Granata, Emanuela Moscardini, Francesca Pagnanelli*, Franco Trabucco, Luigi Toro

*この研究の対応する著者

研究成果: Article査読

125 被引用数 (Scopus)

抄録

In this paper two hydrometallurgical processes were analyzed for recovery of lithium and cobalt from lithium ion batteries. The effect of adding a secondary purification step by solvent extraction was evaluated in terms of product purity and economical feasibility of the process. Process routes were made of the following steps: mechanical pretreatment, leaching, primary (and secondary) purification, product recovery. Electrodic material used in leaching experiments was produced in a large scale pre-treatment plant for waste recycling. Leaching tests were performed both using chloridric acid and sulphuric acid plus glucose. In optimized conditions quantitative extraction of Co and Li were obtained for both tested systems. Iron, aluminum and copper were removed by precipitation as hydroxides, while Ni can be separated only using solvent extraction. Process simulations showed that, for the same input flow rate of batteries, the addition of solvent extraction improves the economical feasibility of the process for lithium ion battery recovery.

本文言語English
ページ(範囲)393-401
ページ数9
ジャーナルJournal of Power Sources
206
DOI
出版ステータスPublished - 2012 5月 15
外部発表はい

ASJC Scopus subject areas

  • 電子工学および電気工学
  • エネルギー工学および電力技術
  • 再生可能エネルギー、持続可能性、環境
  • 物理化学および理論化学

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