Nov 1, 2020 · In this paper, the adsorption isotherms were classified into adsorption empirical isotherms, isotherms based on Polanyi’s theory, chemical adsorption isotherms, physical adsorption isotherms, and the ion exchange model. The derivation and physical meaning of the isotherm models were discussed in detail.

Feb 1, 2022 · In this review paper, the general knowledge and application of the isotherm model to date have been highlighted for an insight into the concept and application of adsorption isotherm...

Jul 5, 2020 · Adsorption data modelling is an essential way of predicting adsorption mechanisms. It discusses the guidelines of using mono/multi-parametric isotherm models. It establishes criteria for choosing the optimum isotherm model. Ten multi-parameter isotherm models and their applications were reviewed.

Therefore, this paper presents an overall review of the applications of adsorption isotherms, the use of linear regression analysis, nonlinear regression analysis, and error functions for optimum adsorption data analysis. 1. Introduction.

Mar 15, 2022 · The most widely used adsorption isotherm models are reviewed. The applicable definition and parameters of isotherms are organized in the table. Numerous practical examples of isotherms used in peer-reviewed studies are presented.

Adsorption is widely applied separation process, especially in environmental remediation, due to its low cost and high efficiency. Adsorption isotherm models can provide mechanism information of the adsorption process, which is important for the design of adsorption system.

With the renaissance of isotherms modeling, there has been a steadily growing interest in this research field. Confirming the assertion, this paper presents a state of art review of adsorption isotherms mod-eling, its fundamental characteristics and mathematical derivations.

Aug 28, 2022 · Review of isotherm models in the adsorption of dyes, proteins, antibiotics, pesticides and heavy metals. In most of the literature, the nonlinear isotherm models are linearized to obtain the respective model parameters.

Apr 18, 2023 · Currently, more than 100 isotherm models coexist for the six IUPAC isotherm types. However, no mechanistic insights can be reached when several models, each claiming a different mechanism, fit an experimental isotherm equally well.

adsorption isotherm models (types I, II, III, IV, V, and VI) based on the shape of the isotherm models as shown in figure 1 (Sing, 1982). The type I model is reversible and is concave on the relative pressure axis. A typical example of this model can be found in molecular zeolites and activated carbon (Hauchhum and Mahanta, 2014).