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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction & Processing
Presentation Title Recovery of Manganese from Scrap Batteries of Mobile Phones
Author(s) Deblina Dutta, Rekha Panda, Manis Kumar Jha, Sudha Goel
On-Site Speaker (Planned) Deblina Dutta
Abstract Scope Present paper is focused on the recovery of Manganese (Mn) as value added product from raffinate/effluent generated after the extraction of Co, Li and Cu from scrap batteries of mobile phone. Batteries were crushed and beneficiated by wet scrubbing method to get black powder, plastic and metallic parts. The black powder contained 20% Co, 2.5% Mn, 2.4% Cu, 2.4% Li, etc. For the recovery of Co and Li, the leaching experiment was carried out in optimum condition using 2 M H2SO4 at elevated temperature, mixing time 1 hr and pulp density 100 g/L. The leach liquor obtained was subjected to purification for removal of Fe, Cu and Co. The raffinate containing Mn was recovered as white precipitate of Mn(OH)2 at pH ~11.5 using alkali which was further roasted at 1100oC for 6 hrs to get pure Mn3O4.
Proceedings Inclusion? Planned:

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