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A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies

This study presented a facile synthesis route via the precipitation method for the production of magnetic biochar from oil palm frond (OPF). The physicochemical characteristics including surface, functional, and magnetic properties of the synthesized magnetic biochar revealed that the surface morpho...

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Main Authors: Oyekanmi, Abdulrahman Adeleke, Katibi, Kamil Kayode, Omar, Rohayu Che, Ahmad, Akil, Elbidi, Moammar, Alshammari, Mohammed B., Shitu, Ibrahim Garba
Format: Article
Language:English
Published: Springer 2024
Online Access:http://psasir.upm.edu.my/id/eprint/105684/1/s13201-023-02060-8.pdf
http://psasir.upm.edu.my/id/eprint/105684/
https://link.springer.com/article/10.1007/s13201-023-02060-8
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spelling my.upm.eprints.1056842024-07-10T05:23:24Z http://psasir.upm.edu.my/id/eprint/105684/ A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies Oyekanmi, Abdulrahman Adeleke Katibi, Kamil Kayode Omar, Rohayu Che Ahmad, Akil Elbidi, Moammar Alshammari, Mohammed B. Shitu, Ibrahim Garba This study presented a facile synthesis route via the precipitation method for the production of magnetic biochar from oil palm frond (OPF). The physicochemical characteristics including surface, functional, and magnetic properties of the synthesized magnetic biochar revealed that the surface morphology, porosity, and magnetic properties enhanced its adsorption capacity for the removal of crystal violet (CV) and sunset yellow (SY) from aqueous solution. The saturation magnetization of OPF biochar was found to be 8.41 emu/g, coercivity (Hc) of 83.106 G, and retentivity (Mr) of 1.475 emu/g which implies that OPF magnetic biochar can be facilely separated from aqueous solution. The result also demonstrated superparamagnetic properties which provided suitable magnetic responsive characteristics to an external magnetic field. The interactive effect of the operational conditions of pH, adsorbent dosage, initial concentration, and temperature was investigated in a batch adsorption study using the central composite design (CCD) of the response surface methodology (RSM). It was indicated that an increase in adsorbent dosage to 1.0 g/L at a lower initial concentration (50 ppm) conducted at 20 °C favoured optimum removal of CV and SY at pH 11 and 4, respectively. The Langmuir isotherm model with maximum adsorption capacity (qmax) of 149.03 and 342.47 mg/g was achieved for CV and SY dyes, respectively. The kinetic data proved to be best fitted to the pseudo-second-order kinetic model. Thermodynamic parameters revealed spontaneous and endothermic reactions. The suitability and sustainability of the magnetic biochar were enhanced by its regeneration potential for effective adsorption of CV and SY after 5 cycles which indicates its outstanding reusability. Hence, OPF magnetic biochar exhibited prospective application for the removal of dyes from wastewater. © 2024, The Author(s). Springer 2024 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/105684/1/s13201-023-02060-8.pdf Oyekanmi, Abdulrahman Adeleke and Katibi, Kamil Kayode and Omar, Rohayu Che and Ahmad, Akil and Elbidi, Moammar and Alshammari, Mohammed B. and Shitu, Ibrahim Garba (2024) A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies. Applied Water Science, 14 (2). art. no. 13. pp. 1-21. ISSN 2190-5487; ESSN: 2190-5495 https://link.springer.com/article/10.1007/s13201-023-02060-8 10.1007/s13201-023-02060-8
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description This study presented a facile synthesis route via the precipitation method for the production of magnetic biochar from oil palm frond (OPF). The physicochemical characteristics including surface, functional, and magnetic properties of the synthesized magnetic biochar revealed that the surface morphology, porosity, and magnetic properties enhanced its adsorption capacity for the removal of crystal violet (CV) and sunset yellow (SY) from aqueous solution. The saturation magnetization of OPF biochar was found to be 8.41 emu/g, coercivity (Hc) of 83.106 G, and retentivity (Mr) of 1.475 emu/g which implies that OPF magnetic biochar can be facilely separated from aqueous solution. The result also demonstrated superparamagnetic properties which provided suitable magnetic responsive characteristics to an external magnetic field. The interactive effect of the operational conditions of pH, adsorbent dosage, initial concentration, and temperature was investigated in a batch adsorption study using the central composite design (CCD) of the response surface methodology (RSM). It was indicated that an increase in adsorbent dosage to 1.0 g/L at a lower initial concentration (50 ppm) conducted at 20 °C favoured optimum removal of CV and SY at pH 11 and 4, respectively. The Langmuir isotherm model with maximum adsorption capacity (qmax) of 149.03 and 342.47 mg/g was achieved for CV and SY dyes, respectively. The kinetic data proved to be best fitted to the pseudo-second-order kinetic model. Thermodynamic parameters revealed spontaneous and endothermic reactions. The suitability and sustainability of the magnetic biochar were enhanced by its regeneration potential for effective adsorption of CV and SY after 5 cycles which indicates its outstanding reusability. Hence, OPF magnetic biochar exhibited prospective application for the removal of dyes from wastewater. © 2024, The Author(s).
format Article
author Oyekanmi, Abdulrahman Adeleke
Katibi, Kamil Kayode
Omar, Rohayu Che
Ahmad, Akil
Elbidi, Moammar
Alshammari, Mohammed B.
Shitu, Ibrahim Garba
spellingShingle Oyekanmi, Abdulrahman Adeleke
Katibi, Kamil Kayode
Omar, Rohayu Che
Ahmad, Akil
Elbidi, Moammar
Alshammari, Mohammed B.
Shitu, Ibrahim Garba
A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies
author_facet Oyekanmi, Abdulrahman Adeleke
Katibi, Kamil Kayode
Omar, Rohayu Che
Ahmad, Akil
Elbidi, Moammar
Alshammari, Mohammed B.
Shitu, Ibrahim Garba
author_sort Oyekanmi, Abdulrahman Adeleke
title A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies
title_short A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies
title_full A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies
title_fullStr A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies
title_full_unstemmed A novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies
title_sort novel oil palm frond magnetic biochar for the efficient adsorption of crystal violet and sunset yellow dyes from aqueous solution: synthesis, kinetics, isotherm, mechanism and reusability studies
publisher Springer
publishDate 2024
url http://psasir.upm.edu.my/id/eprint/105684/1/s13201-023-02060-8.pdf
http://psasir.upm.edu.my/id/eprint/105684/
https://link.springer.com/article/10.1007/s13201-023-02060-8
_version_ 1805889519622291456
score 13.244413

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