Thermodynamic parameters for adsorption equilibrium of heavy metals and dyes from wastewater with low-cost adsorbents

A. Ramesh, D. J. Lee*, Jonathan W C WONG

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

109 Citations (Scopus)

Abstract

This note revisits the literature evaluating the thermodynamic parameters of adsorption equilibrium uptakes of heavy metals and dyes from water and wastewater streams using low-cost adsorbents derived from agricultural waste, industrial wastes, inorganic particulates, or some natural products. We highlighted the possible flaws in some adsorption studies when their thermodynamic parameters were assessed, since compensation effects during enthalpy and entropy evaluation were possibly overlooked.

Original languageEnglish
Pages (from-to)588-592
Number of pages5
JournalJournal of Colloid and Interface Science
Volume291
Issue number2
DOIs
Publication statusPublished - 15 Nov 2005

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry

User-Defined Keywords

  • Adsorption
  • Dye
  • Equilibrium
  • Heavy metal
  • Low-cost adsorbent
  • Thermodynamics

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