Cited by 2,937Adsorption and biosorption for pollutant removalCoagulation and Flocculation StudiesEnvironmental remediation with nanomaterials

Adsorption kinetic models: Physical meanings, applications, and solving methods

Wang, Jianlong, Guo, Xuan·2020·Journal of Hazardous Materials

Abstract

Adsorption technology has been widely applied in water and wastewater treatment, due to its low cost and high efficiency. The adsorption kinetic models have been used to evaluate the performance of the adsorbent and to investigate the adsorption mass transfer mechanisms. However, the physical meanings and the solving methods of the kinetic models have not been well established. The proper interpretation of the physical meanings and the standard solving methods for the adsorption kinetic models are very important for the applications of the kinetic models. This paper mainly focused on the physical meanings, applications, as well as the solving methods of 16 adsorption kinetic models. Firstly, the mathematical derivations, physical meanings and applications of the adsorption reaction models, the empirical models, the diffusion models, and the models for adsorption onto active sites were analyzed and discussed in detail. Secondly, the model validity evaluation equations were summarized based on literature. Thirdly, a convenient user interface (UI) for solving the kinetic models was developed based on Excel software and provided in supplementary information, which is helpful for readers to simulate the adsorption kinetic process.

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Crossref · 10.1016/j.jhazmat.2020.122156

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Authors
Wang, J., & Guo, X.
Affiliations
Tsinghua University (CN)
Corresponding author
Wang, Jianlong
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2020-05
Volume
390
Pages
122156
ISSN
0304-3894 (ISSN-L)
OpenAlex
W3002968041
Cited by
2,937
References
175
Citations by year
2026: 539 · 2025: 670 · 2024: 608 · 2023: 464 · 2022: 357 · 2021: 237 · 2020: 62
FWCI
14.45
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hazardous Materials (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Water Science and Technology › Coagulation and Flocculation Studies
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
Keywords
adsorption kinetics, mass transfer mechanism, empirical kinetic model, diffusion models, water treatment, wastewater treatment, adsorbent performance

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