Adsorption isotherm models: A comprehensive and systematic review (2010−2020)

Mahdieh Mozaffari Majd, Vahid Kordzadeh-Kermani, Vahab Ghalandari, Anis Askari, Mika Sillanpää

Research output: Contribution to journalReview articlepeer-review

259 Citations (Scopus)


Among numerous methods developed in purification and separation industries, the adsorption process has received considerable attention due to its inexpensive, facile, and eco-friendly nature. The importance of the adsorption process causes extraordinary endeavors for modeling the adsorption isotherms during the years; thus, myriads of research have been conducted and many reviews have been published. In this paper, we have attempted to gather the most widely used adsorption isotherms and their related definitions, along with examples of correlated work of the recent decade. In the present review, 37 adsorption isotherms with about 400 references have been collected from the research published in the period of 2010–2020. The adsorption isotherms utilized are alphabetically organized for ease of access. The parameters of each isotherm, as well as the applicable definitions, are presented in the table, in addition to being discussed in the text. Another table is provided for the practical use of researchers, featuring the usage of the related isotherms in peer-reviewed studies.

Original languageEnglish
Article number151334
JournalScience of the Total Environment
Publication statusPublished - 15 Mar 2022
Externally publishedYes


  • Adsorption
  • Adsorption isotherms
  • Isotherm equation
  • Maximum adsorption capacity

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution


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