The Jossens isotherm: A critical look at water contaminant adsorption modeling

Chong, Bryan Yih Khuan and Hashim, Mohd Ali and Chu, Khim Hoong (2024) The Jossens isotherm: A critical look at water contaminant adsorption modeling. Separation Science and Technology, 59 (10-14). pp. 1147-1157. ISSN 0149-6395, DOI https://doi.org/10.1080/01496395.2024.2368236.

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Official URL: https://doi.org/10.1080/01496395.2024.2368236

Abstract

The Jossens isotherm is a useful model for describing water contaminant adsorption. This article critically examines several issues that impede its practical application. Initially, it clarifies the common misidentification of the Redlich-Peterson isotherm as the Jossens isotherm. Next, it addresses the challenge of deriving unique parameter values from the original loading-implicit form of the Jossens isotherm due to the high correlation between parameters. To resolve this problem, the article proposes a more robust solution: a loading-explicit form based on the Lambert W function, which facilitates reliable parameter estimation. Finally, the article critiques the current linearized Jossens isotherm, which relies on a trial-and-error method for parameter estimation, and introduces two alternative linearized forms that eliminate the need for this subjective approach.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Adsorption equilibrium; implicit isotherm; Lambert W function; linearization; water pollutant
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering > Department of Chemical Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 16 Jan 2025 02:24
Last Modified: 16 Jan 2025 02:24
URI: http://eprints.um.edu.my/id/eprint/46880

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