Zinc recovery from an effluent using Ionquest 290: From laboratory scale to pilot plant

M. Avila, B. Grinbaum, F. Carranza, A. Mazuelos, R. Romero, N. Iglesias, J. L. Lozano, G. Perez, M. Valiente

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Abstract

A stream of effluent from a mine tailings pond, containing zinc, ferrous ions and other metals, required treatment to prevent pollution and recover valuable metals. A solvent extraction (SX) process using Ionquest 290 as extractant was developed to recover the Zn from the effluent. Ferrous ions were bio-oxidized and removed by selective alkaline precipitation prior to the zinc extraction. The Fe removal as well as the SX process were developed successfully at laboratory scale and verified in a pilot plant on-site, using two Bateman Pulsed Columns for the extraction and stripping of Zn. The results were satisfactory obtaining above 95% recovery of the Zn. © 2011 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)63-67
JournalHydrometallurgy
Volume107
DOIs
Publication statusPublished - 1 May 2011

Keywords

  • Bateman Pulsed Column
  • Fe bioxidation removal
  • Ionquest 290
  • Mine tailing pond
  • Zinc extraction

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    Avila, M., Grinbaum, B., Carranza, F., Mazuelos, A., Romero, R., Iglesias, N., Lozano, J. L., Perez, G., & Valiente, M. (2011). Zinc recovery from an effluent using Ionquest 290: From laboratory scale to pilot plant. Hydrometallurgy, 107, 63-67. https://doi.org/10.1016/j.hydromet.2011.01.009