Lithium Recovery by Precipitation from Impure Solutions – Lithium Ion Battery Waste

Bing Han, Antti Porvali, Mari Lundström, Marjatta Louhi-Kultanen*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

28 Citations (Scopus)

Abstract

Hydrochloric acid (HCl) leaching solutions were investigated with the aim of recovering the lithium present in industrial battery waste. The lithium-rich solution after HCl leaching of battery waste contains major impurities such as iron, nickel, cobalt, manganese, aluminum, and copper. This composition was used as a model system to prepare a synthetic solution for lithium recovery by precipitation. The precipitation results indicated that the feeding rate of carbonate and stirring rate had an effect on particle size distribution. Uniform particles were obtained with a semi-batch process. A faster carbonate feeding rate can result in a smaller particle size due to the high supersaturation degree and chemical reaction rates.

Original languageEnglish
Pages (from-to)1205-1210
Number of pages6
JournalChemical Engineering and Technology
Volume41
Issue number6
DOIs
Publication statusPublished - Jun 2018
MoE publication typeA1 Journal article-refereed

Funding

The authors are grateful to the METYK project (grant number 3254/31/2015), funded by the Finnish Funding Agency for Innovation, Business Finland. The research was also supported by the Strategic Research Council at the Academy of Finland, in the project called CloseLoop (grant numbers 303452 and 303454), RawMatTERS Finland Infrastructure (RAMI) funded by the Academy of Finland and CMEco (grant number 7405/ 31/2016), funded by Business Finland. The authors would like to thank M.Sc. Miamari Aaltonen, and M.Sc. Emmi Eronen for their work concerning the product liquid solution preparation. Our thanks go to Dr. Joseph Hamuyuni for the SEM analysis.

Keywords

  • Lithium battery waste
  • Lithium carbonate
  • Lithium recovery
  • Precipitation

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