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

Area of Science:

• Chemical Engineering
• Materials Science
• Environmental Science

Background:

• Adsorption is a key process in separation and purification industries due to its cost-effectiveness and environmental friendliness.
• Modeling adsorption isotherms is crucial for optimizing adsorption processes, leading to extensive research and numerous reviews.
• A comprehensive understanding of various adsorption models is essential for researchers in the field.

Purpose of the Study:

• To systematically review and compile the most widely utilized adsorption isotherm models.
• To provide definitions, parameters, and examples of recent applications for these isotherms.
• To organize this information for easy access and practical use by researchers.

Main Methods:

• A comprehensive literature search was conducted for research published between 2010 and 2020.
• 37 distinct adsorption isotherms were identified and collected.
• Information including definitions, parameters, and applications was extracted and organized.

Main Results:

• The review presents 37 adsorption isotherms, alphabetically organized for user convenience.
• Detailed tables provide isotherm parameters, definitions, and examples of their use in peer-reviewed studies.
• The compilation covers adsorption isotherm research from the last decade (2010-2020).

Conclusions:

• This review serves as a valuable resource for researchers by consolidating essential information on adsorption isotherms.
• The organized data facilitates the selection and application of appropriate models for adsorption studies.
• The compilation supports advancements in purification and separation technologies through informed model selection.