processamento de pilhas li/mno2 usadas processing of the spent li/mno2 battery

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ID: 179231
2007
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Abstract
This work presents two recycling processes for spent Li/MnO2 batteries. After removal of the solvent under vacuum the cathode + anode + electrolyte was submitted to one of the following procedures: (a) it was calcined (500 ºC, 5 h) and the calcined solid was submitted to solvent extraction with water in order to recover lithium salts. The residual solid was treated with sulfuric acid containing hydrogen peroxide. Manganese was recovered as sulfate; (b) the solid was treated with potassium hydrogeno sulfate (500 ºC, 5 h). The solid was dissolved in water and the resulting solution was added dropwise to sodium hydroxide. Manganese was recovered as dioxide. The residual solution was treated with potassium fluoride in order to precipitate lithium fluoride.
Reference Key
paulino2007qumicaprocessamento Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jéssica Frontino Paulino;Natália Giovanini Busnardo;Julio Carlos Afonso
Journal greece and rome
Year 2007
DOI
10.1590/S0100-40422007000300036
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000300036
Keywords
manganesechemistry

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