<p>An extraction technology for purification of manganese sulfate solutions from Ca, Mg, and Na using di(2,4,4-trimethylpentyl)phosphinic acid in a diluent (Cyanex 272) as an extractant has been developed. The technology makes it possible to obtain manganese sulfate monohydrate suitable for the production of lithium-ion batteries.</p>

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Removal of Ca, Mg, and Na from Manganese Sulfate Solutions by Extraction

  • I. Yu. Fleitlikh,
  • N. A. Grigor’eva,
  • T. A. Azekenov,
  • S. A. Bannikova

摘要

An extraction technology for purification of manganese sulfate solutions from Ca, Mg, and Na using di(2,4,4-trimethylpentyl)phosphinic acid in a diluent (Cyanex 272) as an extractant has been developed. The technology makes it possible to obtain manganese sulfate monohydrate suitable for the production of lithium-ion batteries.