Kinetics study of CO molecules adsorption on Al2O3/Zeolite composite films prepared by roll-coating method

Nastaran Mozaffari; Niloofar Mozaffari; S. Mohammad Elahi; Sergij Vambol; Viola Vambol; Nadeem A. Khan; Nishat Khan

doi:10.1080/02670844.2020.1768628

Kinetics study of CO molecules adsorption on Al₂O₃/Zeolite composite films prepared by roll-coating method

Nastaran Mozaffari, Niloofar Mozaffari, S. Mohammad Elahi^*, Sergij Vambol, Viola Vambol, Nadeem A. Khan, Nishat Khan

^*Corresponding author for this work

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

23 Scopus citations

Abstract

CO gas adsorption has become a topic of great significance and worthy of investigation. The purpose of this study was to explore the CO adsorption of Al₂O₃/Zeolite composite films prepared by a roll coating method. XRD, FESEM, and EDX analyses have been used to study the structural, morphological, and elemental properties of Al₂O₃/Zeolite composite films. A gas analyzer was used to probe CO gas adsorption on the composite films at a constant temperature and pressure. The concentration of inlet CO gas and saturation level was 190 and 4 mg L⁻¹, respectively. The maximum values of adsorption efficiency and uptake capacity were measured at 97.89% and 213.9 mg g⁻¹. To determine the kinetic study, three models were investigated: pseudo-first-order, pseudo-second-order, and intra-particle diffusion. The pseudo-second-order model was suitable for CO adsorption by Al₂O₃/Zeolite adsorbent. Additionally, the rate-controlling step for Al₂O₃/Zeolite adsorbent was identified through the intra-particle diffusion model.

Original language	English
Pages (from-to)	390-399
Number of pages	10
Journal	Surface Engineering
Volume	37
Issue number	3
DOIs	https://doi.org/10.1080/02670844.2020.1768628
State	Published - 2021
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2020 Institute of Materials, Minerals and Mining Published by Taylor & Francis on behalf of the Institute.

Keywords

AlO/Zeolite
Carbon monoxide adsorption
kinetic study
roll coating method

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

Access to Document

10.1080/02670844.2020.1768628

Cite this

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title = "Kinetics study of CO molecules adsorption on Al2O3/Zeolite composite films prepared by roll-coating method",

abstract = "CO gas adsorption has become a topic of great significance and worthy of investigation. The purpose of this study was to explore the CO adsorption of Al2O3/Zeolite composite films prepared by a roll coating method. XRD, FESEM, and EDX analyses have been used to study the structural, morphological, and elemental properties of Al2O3/Zeolite composite films. A gas analyzer was used to probe CO gas adsorption on the composite films at a constant temperature and pressure. The concentration of inlet CO gas and saturation level was 190 and 4 mg L−1, respectively. The maximum values of adsorption efficiency and uptake capacity were measured at 97.89\% and 213.9 mg g−1. To determine the kinetic study, three models were investigated: pseudo-first-order, pseudo-second-order, and intra-particle diffusion. The pseudo-second-order model was suitable for CO adsorption by Al2O3/Zeolite adsorbent. Additionally, the rate-controlling step for Al2O3/Zeolite adsorbent was identified through the intra-particle diffusion model.",

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author = "Nastaran Mozaffari and Niloofar Mozaffari and Elahi, \{S. Mohammad\} and Sergij Vambol and Viola Vambol and Khan, \{Nadeem A.\} and Nishat Khan",

note = "Publisher Copyright: {\textcopyright} 2020 Institute of Materials, Minerals and Mining Published by Taylor \& Francis on behalf of the Institute.",

year = "2021",

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AU - Mozaffari, Nastaran

AU - Mozaffari, Niloofar

AU - Elahi, S. Mohammad

AU - Vambol, Sergij

AU - Vambol, Viola

AU - Khan, Nadeem A.

AU - Khan, Nishat

PY - 2021

Y1 - 2021

N2 - CO gas adsorption has become a topic of great significance and worthy of investigation. The purpose of this study was to explore the CO adsorption of Al2O3/Zeolite composite films prepared by a roll coating method. XRD, FESEM, and EDX analyses have been used to study the structural, morphological, and elemental properties of Al2O3/Zeolite composite films. A gas analyzer was used to probe CO gas adsorption on the composite films at a constant temperature and pressure. The concentration of inlet CO gas and saturation level was 190 and 4 mg L−1, respectively. The maximum values of adsorption efficiency and uptake capacity were measured at 97.89% and 213.9 mg g−1. To determine the kinetic study, three models were investigated: pseudo-first-order, pseudo-second-order, and intra-particle diffusion. The pseudo-second-order model was suitable for CO adsorption by Al2O3/Zeolite adsorbent. Additionally, the rate-controlling step for Al2O3/Zeolite adsorbent was identified through the intra-particle diffusion model.

AB - CO gas adsorption has become a topic of great significance and worthy of investigation. The purpose of this study was to explore the CO adsorption of Al2O3/Zeolite composite films prepared by a roll coating method. XRD, FESEM, and EDX analyses have been used to study the structural, morphological, and elemental properties of Al2O3/Zeolite composite films. A gas analyzer was used to probe CO gas adsorption on the composite films at a constant temperature and pressure. The concentration of inlet CO gas and saturation level was 190 and 4 mg L−1, respectively. The maximum values of adsorption efficiency and uptake capacity were measured at 97.89% and 213.9 mg g−1. To determine the kinetic study, three models were investigated: pseudo-first-order, pseudo-second-order, and intra-particle diffusion. The pseudo-second-order model was suitable for CO adsorption by Al2O3/Zeolite adsorbent. Additionally, the rate-controlling step for Al2O3/Zeolite adsorbent was identified through the intra-particle diffusion model.

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