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Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution

Development of strategies for removing heavy metals from aquatic environments is in high demand. Cadmium is one of the most dangerous metals in the environment, even under extremely low quantities. In this study, kenaf and magnetic biochar composite were prepared for the adsorption of Cd2+. The synt...

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Main Authors: Saeed, A. A. H., Harun, N. H., Sufian, S., Bilad, M. R., Zakaria, Z. Y., Jagaba, A. H., Ghaleb, A. A. S, Mohammed, H. G.
Format: Article
Language:English
Published: MDPI 2021
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/95314/1/ZakiYamaniZakaria2021_PristineandMagneticKenafFiber.pdf
http://eprints.utm.my/id/eprint/95314/
http://dx.doi.org/10.3390/ijerph18157949
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spelling my.utm.953142022-04-29T22:03:26Z http://eprints.utm.my/id/eprint/95314/ Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution Saeed, A. A. H. Harun, N. H. Sufian, S. Bilad, M. R. Zakaria, Z. Y. Jagaba, A. H. Ghaleb, A. A. S Mohammed, H. G. TP Chemical technology Development of strategies for removing heavy metals from aquatic environments is in high demand. Cadmium is one of the most dangerous metals in the environment, even under extremely low quantities. In this study, kenaf and magnetic biochar composite were prepared for the adsorption of Cd2+. The synthesized biochar was characterized using (a vibrating-sample mag-netometer VSM), Scanning electron microscopy (SEM), X-ray powder diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS). The adsorp-tion batch study was carried out to investigate the influence of pH, kinetics, isotherm, and ther-modynamics on Cd2+ adsorption. The characterization results demonstrated that the biochar con-tained iron particles that help in improving the textural properties (i.e., surface area and pore volume), increasing the number of oxygen-containing groups, and forming inner-sphere com-plexes with oxygen-containing groups. The adsorption study results show that optimum adsorp-tion was achieved under pH 5–6. An increase in initial ion concentration and solution temperature resulted in increased adsorption capacity. Surface modification of biochar using iron oxide for imposing magnetic property allowed for easy separation by external magnet and regeneration. The magnetic biochar composite also showed a higher affinity to Cd2+ than the pristine biochar. The adsorption data fit well with the pseudo-second-order and the Langmuir isotherm, with the maximum adsorption capacity of 47.90 mg/g. MDPI 2021 Article PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/95314/1/ZakiYamaniZakaria2021_PristineandMagneticKenafFiber.pdf Saeed, A. A. H. and Harun, N. H. and Sufian, S. and Bilad, M. R. and Zakaria, Z. Y. and Jagaba, A. H. and Ghaleb, A. A. S and Mohammed, H. G. (2021) Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution. International Journal of Environmental Research and Public Health, 18 (15). ISSN 1661-7827 http://dx.doi.org/10.3390/ijerph18157949 DOI: 10.3390/ijerph18157949
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Saeed, A. A. H.
Harun, N. H.
Sufian, S.
Bilad, M. R.
Zakaria, Z. Y.
Jagaba, A. H.
Ghaleb, A. A. S
Mohammed, H. G.
Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution
description Development of strategies for removing heavy metals from aquatic environments is in high demand. Cadmium is one of the most dangerous metals in the environment, even under extremely low quantities. In this study, kenaf and magnetic biochar composite were prepared for the adsorption of Cd2+. The synthesized biochar was characterized using (a vibrating-sample mag-netometer VSM), Scanning electron microscopy (SEM), X-ray powder diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS). The adsorp-tion batch study was carried out to investigate the influence of pH, kinetics, isotherm, and ther-modynamics on Cd2+ adsorption. The characterization results demonstrated that the biochar con-tained iron particles that help in improving the textural properties (i.e., surface area and pore volume), increasing the number of oxygen-containing groups, and forming inner-sphere com-plexes with oxygen-containing groups. The adsorption study results show that optimum adsorp-tion was achieved under pH 5–6. An increase in initial ion concentration and solution temperature resulted in increased adsorption capacity. Surface modification of biochar using iron oxide for imposing magnetic property allowed for easy separation by external magnet and regeneration. The magnetic biochar composite also showed a higher affinity to Cd2+ than the pristine biochar. The adsorption data fit well with the pseudo-second-order and the Langmuir isotherm, with the maximum adsorption capacity of 47.90 mg/g.
format Article
author Saeed, A. A. H.
Harun, N. H.
Sufian, S.
Bilad, M. R.
Zakaria, Z. Y.
Jagaba, A. H.
Ghaleb, A. A. S
Mohammed, H. G.
author_facet Saeed, A. A. H.
Harun, N. H.
Sufian, S.
Bilad, M. R.
Zakaria, Z. Y.
Jagaba, A. H.
Ghaleb, A. A. S
Mohammed, H. G.
author_sort Saeed, A. A. H.
title Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution
title_short Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution
title_full Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution
title_fullStr Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution
title_full_unstemmed Pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution
title_sort pristine and magnetic kenaf fiber biochar for cd2+ adsorption from aqueous solution
publisher MDPI
publishDate 2021
url http://eprints.utm.my/id/eprint/95314/1/ZakiYamaniZakaria2021_PristineandMagneticKenafFiber.pdf
http://eprints.utm.my/id/eprint/95314/
http://dx.doi.org/10.3390/ijerph18157949
_version_ 1732945457944985600
score 13.211869

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