Recovery of Manganese from Scrap Batteries of Mobile Phones

Dutta, Deblina and Panda, Rekha and Jha, Manis K and Goel, Sudha (2018) Recovery of Manganese from Scrap Batteries of Mobile Phones. In: Rare Metal Technology 2018, The Minerals, Metals & Materials Series, The Minerals, Metals & Materials Society 2018, pp. 175-183.

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Present work is focused on the recovery of Mn as a value added product from the leach liquor of scrap lithium-ion batteries (LIBs) of mobile phones by the method of precipitation. The LIBs were crushed and beneficiated by wet scrubbing method to separate cathodic material, plastic and metallic parts. The cathodic material was found to contain 11.3% Mn, 10% Co, 2.4% Cu and 2.4% Li. The cathodic material was processed for leaching under the optimized condition developed by our group at CSIR-NML. Solvent extraction method was used to extract acid using organic extractant Tris(2-ethylhexyl)amine (TEHA) in order to reduce the consumption of alkali required during precipitation studies. The acid free leach liquor was subjected to purification for removal of Fe, Li, Cu and Co as precipitate at different pH. Systematic precipitation studies were carried in batch and continuous mode to recover Mn as Mn(OH)2 at pH *10 which was further roasted at 450 °C for 4 h to get pure Mn3O4.

Item Type:Book or NML Publication
Uncontrolled Keywords:Lithium-ion batteries Mobile phones Precipitation studies Manganese precipitate
Divisions:Metal Extraction and Forming
ID Code:7768
Deposited By:Ms. Rekha Panda
Deposited On:19 Mar 2018 17:14
Last Modified:19 Mar 2018 17:17
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