Ion exchange equilibria in a ternary system

Leonard J. Pieroni*, Joshua S. Dranoff

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


A study has been made of the cation exchange equilibria between Dowex 50W‐X8 resin and aqueous solutions of copper nitrate, nitric acid, and sodium nitrate in binary and ternary mixtures. Experiments were carried out at room temperature with solutions having total cation concentrations of approximately 0.1N, 0.05N, and 0.01N. It was found that the equilibria for any two ions were essentially the same in binary and ternary mixtures. Moreover single valued selectivity coefficients were determined which characterize these data quite well for all three concentration levels. This makes possible the complete description, for engineering purposes, of ternary equilibria in terms of the simpler and more accessible binary exchange reactions, as previously suggested (1).

Original languageEnglish (US)
Pages (from-to)42-45
Number of pages4
JournalAIChE Journal
Issue number1
StatePublished - Jan 1963
Externally publishedYes

ASJC Scopus subject areas

  • Biotechnology
  • Environmental Engineering
  • Chemical Engineering(all)


Dive into the research topics of 'Ion exchange equilibria in a ternary system'. Together they form a unique fingerprint.

Cite this