Optimising batch adsorbers for the removal of zinc from effluents using a sodium diimidoacetate ion exchange resin

Alireza Bazargan*, Tsz Him Shek, Chi Wai Hui, Gordon McKay

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

An ion exchange resin, based on the sodium diimidoacetate structure, has been tested for the removal of zinc ions from effluents. After employing three isotherm models, namely, Langmuir, Freundlich and Langmuir–Freundlich to measure and analyse equilibrium isotherms, a series of agitated batch experiments have been carried out to optimise the removal of zinc ions in a two-stage batch system. The first optimisation model involves minimising the total amount of resin required to achieve a specific percentage zinc removal. The second optimisation study involves minimising the total batch contact time to achieve a certain percentage zinc removal.

Original languageEnglish
Pages (from-to)477-489
Number of pages13
JournalAdsorption
Volume23
Issue number4
DOIs
Publication statusPublished - 1 May 2017

Keywords

  • Batch adsorption
  • Ion exchange
  • Optimisation
  • Two-stage adsorption
  • Zinc

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