A study on Zn recovery from other metals in the spent mixed batteries through a sequence of hydrometallurgical processes

Dong Ju Shin, Sung Ho Joo, Chang Hyun Oh, Jei Pil Wang, Jin Tae Park, Dong Joon Min, Shun Myung Shin

Research output: Contribution to journalArticle

Abstract

A study on selective separation of Zn from a leaching solution by disposal batteries including various type batteries was carried out to understand the recovery behaviour of Zn in leaching solution. Selective recovery of Zn in leaching solution including Mn, Cd, Cu ion was difficult due to its similar physicochemical behaviour. Experiment results by present leaching solution with 279 µm undersize indicated that the best condition for leaching is 1 M H2SO4, 250 rpm, 5 vol.% H2O2 and 353 K and the leaching efficient of Zn, Co and Mn is approximately 97%, respectively. The exclusive extraction behaviour of Zn by using D2EHPA is indicated that the best conditions for solvent extraction are to be 0.6 M D2EHPA diluted with kerosene, 30% saponification, 298 K, 5-min contact time and three-stage countercurrent extraction, and the O/A ratio 1, respectively. Recovery of Zn was with approximately 99.7% selectively from Mn, Co, Ni, Cd and Li. After scrubbing 5 times by pH 2 modified solution and single stripping experiment by 1.5 M H2SO4, the solution including Zn of 9.0 g/L can be produced.

Original languageEnglish
Pages (from-to)3512-3522
Number of pages11
JournalEnvironmental Technology (United Kingdom)
Volume40
Issue number26
DOIs
Publication statusPublished - 2019 Nov 23

Fingerprint

Leaching
Metals
leaching
Recovery
metal
Saponification
countercurrent
Kerosene
Solvent extraction
battery
experiment
Experiments
Ions
ion

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Water Science and Technology
  • Waste Management and Disposal

Cite this

Shin, Dong Ju ; Joo, Sung Ho ; Oh, Chang Hyun ; Wang, Jei Pil ; Park, Jin Tae ; Min, Dong Joon ; Shin, Shun Myung. / A study on Zn recovery from other metals in the spent mixed batteries through a sequence of hydrometallurgical processes. In: Environmental Technology (United Kingdom). 2019 ; Vol. 40, No. 26. pp. 3512-3522.
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A study on Zn recovery from other metals in the spent mixed batteries through a sequence of hydrometallurgical processes. / Shin, Dong Ju; Joo, Sung Ho; Oh, Chang Hyun; Wang, Jei Pil; Park, Jin Tae; Min, Dong Joon; Shin, Shun Myung.

In: Environmental Technology (United Kingdom), Vol. 40, No. 26, 23.11.2019, p. 3512-3522.

Research output: Contribution to journalArticle

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AU - Joo, Sung Ho

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AU - Min, Dong Joon

AU - Shin, Shun Myung

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