Ion-exchange processes of lead and cobalt ions on the surface of calcium-montmorillonite in the presence of complex-forming agents. II. The effect of DTPA, tartaric acid and citric acid on the sorption of lead ions on calcium-montmorillonite

Noémi M. Nagy, József Kónya, Ilona Kónya

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The sorption of lead ion on the surface of calcium-montmorillonite is studied in the presence of complex-forming agent. The ion exchange processes are greatly influenced by the composition of the solution, pH and the stability constant of the complex forming agent. The total amount of lead contamination cannot be washed out of montmorillonite with the applied complex-forming agents.

Original languageEnglish
Pages (from-to)243-252
Number of pages10
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume137
Issue number1-3
DOIs
Publication statusPublished - Jun 15 1998

Keywords

  • Calcium-montmorillonite
  • Citric acid
  • Cobalt ions
  • Complex formation
  • DTPA
  • Ion exchange
  • Lead ions
  • Tartaric acid

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

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