Journal article
Separation of zinc from spent zinc-carbon batteries by selective leaching with sodium hydroxide
Hydrometallurgy, Vol.96(4), pp.349-353
2009
Abstract
Physical methods such as crushing and sieving followed by magnetic separation steps were applied to separate non-magnetic material (88.4 wt.%) from zinc-carbon spent batteries. The oversize material was processed by eddy current separation to recover zinc sheet, carbon rods, and plastics. The undersize fraction (- 2.36 mm) with a metal composition of 15.5% Zn, 17.5% Mn, and 1.4% Fe was used for the leaching experiments under different conditions such as concentration of sodium hydroxide, temperature, agitation speed, and pulp density. Selective leaching using 4 mol dm - 3 NaOH at 100 g dm - 3 solid/liquid ratio, 80 °C and 200 rpm gave a zinc extraction of 82% and a manganese extraction of less than 0.1%. An overall zinc recovery was about 88.5% by the processes described in this study.
Details
- Title
- Separation of zinc from spent zinc-carbon batteries by selective leaching with sodium hydroxide
- Authors/Creators
- S.M. Shin (Author/Creator)G. Senanayake (Author/Creator)J-S Sohn (Author/Creator)J-G Kang (Author/Creator)D-H Yang (Author/Creator)T-H Kim (Author/Creator)
- Publication Details
- Hydrometallurgy, Vol.96(4), pp.349-353
- Publisher
- Elsevier BV
- Identifiers
- 991005544424007891
- Copyright
- © 2008 Elsevier B.V.
- Murdoch Affiliation
- School of Chemical and Mathematical Science
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 7 Engineering & Materials Science
- 7.229 Mineral & Metal Processing
- 7.229.774 Bioleaching
- Web Of Science research areas
- Metallurgy & Metallurgical Engineering
- ESI research areas
- Materials Science