Ibuprofen Adsorption on Activated Carbon: Thermodynamic and Kinetic Investigation via the Adsorption Dynamic Intraparticle Model (ADIM)

Maryam Hmoudah; Michele Emanuele Fortunato; Rosanna Paparo; Marco Trifuoggi; Amjad El-Qanni; Riccardo Tesser; Dmitry Yu Murzin; Tapio Salmi; Vincenzo Russo; Martino Di Serio

doi:10.1021/acs.langmuir.2c03350

Ibuprofen Adsorption on Activated Carbon: Thermodynamic and Kinetic Investigation via the Adsorption Dynamic Intraparticle Model (ADIM)

Maryam Hmoudah, Michele Emanuele Fortunato, Rosanna Paparo, Marco Trifuoggi, Amjad El-Qanni, Riccardo Tesser, Dmitry Yu Murzin, Tapio Salmi, Vincenzo Russo^*, Martino Di Serio

^*Corresponding author for this work

Laboratory of Industrial Chemistry and Reaction Engineering

Research output: Contribution to journal › Article › Scientific › peer-review

12 Citations (Scopus)

Abstract

The adsorption efficiency of commercial activated carbon toward ibuprofen (IBU) was investigated and described using the adsorption dynamic intraparticle model (ADIM). Although the adsorption capacity of activated carbon has been widely studied, the kinetic models used in the literature are simplified, treating adsorption kinetics with pseudo-kinetic approaches. In this paper, a realistic model is proposed, quantitatively describing the influence of the main operation parameters on the adsorption kinetics and thermodynamics. The thermodynamic data were interpreted successfully with the Freundlich isotherm, deriving an endothermic adsorption mechanism. The system was found to be dominated by the intraparticle diffusion regime, and the collected data allowed the determination of the surface activation energy (E_S = 60 ± 7 kJ/mol) and the fluid-solid apparent activation energy (E_A = 6 ± 1 kJ/mol). The obtained parameters will be used to design adsorption columns, allowing the scale-up of the process.

Original language	English
Pages (from-to)	11510-11519
Number of pages	10
Journal	Langmuir
Volume	39
Issue number	33
DOIs	https://doi.org/10.1021/acs.langmuir.2c03350
Publication status	Published - 22 Aug 2023
MoE publication type	A1 Journal article-refereed

Funding

The authors are grateful to Luigi Ebarone, Luigi Faro, and Vincenzo Liguori for the experimental support. The faculty for the future Program─Schlumberger Foundation─is acknowledged for providing a fellowship to Maryam Hmoudah.

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10.1021/acs.langmuir.2c03350

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title = "Ibuprofen Adsorption on Activated Carbon: Thermodynamic and Kinetic Investigation via the Adsorption Dynamic Intraparticle Model (ADIM)",

abstract = "The adsorption efficiency of commercial activated carbon toward ibuprofen (IBU) was investigated and described using the adsorption dynamic intraparticle model (ADIM). Although the adsorption capacity of activated carbon has been widely studied, the kinetic models used in the literature are simplified, treating adsorption kinetics with pseudo-kinetic approaches. In this paper, a realistic model is proposed, quantitatively describing the influence of the main operation parameters on the adsorption kinetics and thermodynamics. The thermodynamic data were interpreted successfully with the Freundlich isotherm, deriving an endothermic adsorption mechanism. The system was found to be dominated by the intraparticle diffusion regime, and the collected data allowed the determination of the surface activation energy (ES = 60 ± 7 kJ/mol) and the fluid-solid apparent activation energy (EA = 6 ± 1 kJ/mol). The obtained parameters will be used to design adsorption columns, allowing the scale-up of the process.",

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T1 - Ibuprofen Adsorption on Activated Carbon

T2 - Thermodynamic and Kinetic Investigation via the Adsorption Dynamic Intraparticle Model (ADIM)

AU - Hmoudah, Maryam

AU - Fortunato, Michele Emanuele

AU - Paparo, Rosanna

AU - Trifuoggi, Marco

AU - El-Qanni, Amjad

AU - Tesser, Riccardo

AU - Murzin, Dmitry Yu

AU - Salmi, Tapio

AU - Russo, Vincenzo

AU - Di Serio, Martino

PY - 2023/8/22

Y1 - 2023/8/22

N2 - The adsorption efficiency of commercial activated carbon toward ibuprofen (IBU) was investigated and described using the adsorption dynamic intraparticle model (ADIM). Although the adsorption capacity of activated carbon has been widely studied, the kinetic models used in the literature are simplified, treating adsorption kinetics with pseudo-kinetic approaches. In this paper, a realistic model is proposed, quantitatively describing the influence of the main operation parameters on the adsorption kinetics and thermodynamics. The thermodynamic data were interpreted successfully with the Freundlich isotherm, deriving an endothermic adsorption mechanism. The system was found to be dominated by the intraparticle diffusion regime, and the collected data allowed the determination of the surface activation energy (ES = 60 ± 7 kJ/mol) and the fluid-solid apparent activation energy (EA = 6 ± 1 kJ/mol). The obtained parameters will be used to design adsorption columns, allowing the scale-up of the process.

AB - The adsorption efficiency of commercial activated carbon toward ibuprofen (IBU) was investigated and described using the adsorption dynamic intraparticle model (ADIM). Although the adsorption capacity of activated carbon has been widely studied, the kinetic models used in the literature are simplified, treating adsorption kinetics with pseudo-kinetic approaches. In this paper, a realistic model is proposed, quantitatively describing the influence of the main operation parameters on the adsorption kinetics and thermodynamics. The thermodynamic data were interpreted successfully with the Freundlich isotherm, deriving an endothermic adsorption mechanism. The system was found to be dominated by the intraparticle diffusion regime, and the collected data allowed the determination of the surface activation energy (ES = 60 ± 7 kJ/mol) and the fluid-solid apparent activation energy (EA = 6 ± 1 kJ/mol). The obtained parameters will be used to design adsorption columns, allowing the scale-up of the process.

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JO - Langmuir

JF - Langmuir

IS - 33

ER -

Ibuprofen Adsorption on Activated Carbon: Thermodynamic and Kinetic Investigation via the Adsorption Dynamic Intraparticle Model (ADIM)

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