Removal of Ni(II) Using Multi-walled Carbon Nanotubes Electrodes: Relation Between Operating Parameters and Capacitive Deionization Performance

Sidra Iftekhar; Muhammad Umar Farooq; Mika Sillanpää; Muhammad Bilal Asif; Rasikh Habib

doi:10.1007/s13369-016-2301-5

Removal of Ni(II) Using Multi-walled Carbon Nanotubes Electrodes: Relation Between Operating Parameters and Capacitive Deionization Performance

Sidra Iftekhar, Muhammad Umar Farooq, Mika Sillanpää, Muhammad Bilal Asif, Rasikh Habib

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

32 Scopus citations

Abstract

Experiments were conducted to develop a statistical model which describes the relation between operating parameters and capacitive deionization performance for the removal of Ni(II) ion using multi-walled carbon nanotubes (MCNT) electrodes. The R2 value of 0.84 in regression analysis represents that the statistical model reproduced the data well. The factors for pH (a= 0.242), applied voltage (b= 0.619) and retention time (c= 0.504) in the statistical model revealed the significance of each parameter. The effect of initial Ni(II) concentration is best described by Langmuir isotherm. Kinetic study showed that pseudo-first-order equation fitted the data well. Modeling the performance with operating parameters for the removal of Ni(II) using MCNT electrodes is feasible, and results can be used for practical engineering applications.

Original language	English (US)
Pages (from-to)	235-240
Number of pages	6
Journal	Arabian Journal for Science and Engineering
Volume	42
Issue number	1
DOIs	https://doi.org/10.1007/s13369-016-2301-5
State	Published - Jan 1 2017
Externally published	Yes

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abstract = "Experiments were conducted to develop a statistical model which describes the relation between operating parameters and capacitive deionization performance for the removal of Ni(II) ion using multi-walled carbon nanotubes (MCNT) electrodes. The R2 value of 0.84 in regression analysis represents that the statistical model reproduced the data well. The factors for pH (a= 0.242), applied voltage (b= 0.619) and retention time (c= 0.504) in the statistical model revealed the significance of each parameter. The effect of initial Ni(II) concentration is best described by Langmuir isotherm. Kinetic study showed that pseudo-first-order equation fitted the data well. Modeling the performance with operating parameters for the removal of Ni(II) using MCNT electrodes is feasible, and results can be used for practical engineering applications.",

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AU - Iftekhar, Sidra

AU - Farooq, Muhammad Umar

AU - Sillanpää, Mika

AU - Asif, Muhammad Bilal

AU - Habib, Rasikh

N1 - Generated from Scopus record by KAUST IRTS on 2023-09-23

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N2 - Experiments were conducted to develop a statistical model which describes the relation between operating parameters and capacitive deionization performance for the removal of Ni(II) ion using multi-walled carbon nanotubes (MCNT) electrodes. The R2 value of 0.84 in regression analysis represents that the statistical model reproduced the data well. The factors for pH (a= 0.242), applied voltage (b= 0.619) and retention time (c= 0.504) in the statistical model revealed the significance of each parameter. The effect of initial Ni(II) concentration is best described by Langmuir isotherm. Kinetic study showed that pseudo-first-order equation fitted the data well. Modeling the performance with operating parameters for the removal of Ni(II) using MCNT electrodes is feasible, and results can be used for practical engineering applications.

AB - Experiments were conducted to develop a statistical model which describes the relation between operating parameters and capacitive deionization performance for the removal of Ni(II) ion using multi-walled carbon nanotubes (MCNT) electrodes. The R2 value of 0.84 in regression analysis represents that the statistical model reproduced the data well. The factors for pH (a= 0.242), applied voltage (b= 0.619) and retention time (c= 0.504) in the statistical model revealed the significance of each parameter. The effect of initial Ni(II) concentration is best described by Langmuir isotherm. Kinetic study showed that pseudo-first-order equation fitted the data well. Modeling the performance with operating parameters for the removal of Ni(II) using MCNT electrodes is feasible, and results can be used for practical engineering applications.

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Removal of Ni(II) Using Multi-walled Carbon Nanotubes Electrodes: Relation Between Operating Parameters and Capacitive Deionization Performance

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