Removal of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents

Daniellia—oliveri sawdust-based adsorbents were employed to remove trimethoprim (TMP) from water. The sawdust was thermally carbonized and activated in-stu with ZnCl2 and H3PO4 separately. The adsorbents surface features were profiled using scanning electron microscopic (SEM) and pH point of zero c...

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Autores principales:	S. A. Adesokan, A. A. Giwa, I. A. Bello
Formato:	article
Lenguaje:	EN
Publicado:	Nigerian Society of Physical Sciences 2021
Materias:	Phosphoric acid (H3PO4) Zinc chloride (ZnCl2) Daniellia-oliveri sawdust Activated carbon Trimethoprim Physics QC1-999
Acceso en línea:	https://doaj.org/article/53b7bbdb145e4d86907cb2ff729cec78
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spelling	oai:doaj.org-article:53b7bbdb145e4d86907cb2ff729cec782021-11-30T12:19:07ZRemoval of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents10.46481/jnsps.2021.3202714-28172714-4704https://doaj.org/article/53b7bbdb145e4d86907cb2ff729cec782021-11-01T00:00:00Zhttps://journal.nsps.org.ng/index.php/jnsps/article/view/320https://doaj.org/toc/2714-2817https://doaj.org/toc/2714-4704 Daniellia—oliveri sawdust-based adsorbents were employed to remove trimethoprim (TMP) from water. The sawdust was thermally carbonized and activated in-stu with ZnCl2 and H3PO4 separately. The adsorbents surface features were profiled using scanning electron microscopic (SEM) and pH point of zero charge (pHpzc ) analyses. The prospects of the adsorbents for the removal of trimethoprim from water were verified. The adsorption processes were performed under different experimental conditions. The adsorption isotherm, the kinetics, and the thermodynamics were studied; and the data fitting output revealed that both chemisorptions and physisorption occurred. Surface and pore diffusion played active role in the adsorption of TMP by the adsorbents. The optimum conditions for adsorption of TMP by the adsorbents were pH at slightly acidic to neutral medium and temperature at room temperature. The fitting isotherm models were: Langmuir (R2 = 0.993) for the zinc-chloride-activated-carbon, Temkin (R2 = 0.962) for the phosphoric-acid-activated-carbon, and the kinetics: pseudo-second order (R2 = 0.997) for both. The maximum monolayer adsorption capacities of the adsorbents for TMP was 4.115 and 6.495 mg/g, respectively. The thermodynamic parameters determined suggested feasibility, spontaneity, and endothermicity of the adsorption processes. The results reveal that the adsorbents were good prospects for the removal of TMP from water. S. A. AdesokanA. A. GiwaI. A. BelloNigerian Society of Physical SciencesarticlePhosphoric acid (H3PO4)Zinc chloride (ZnCl2)Daniellia-oliveri sawdustActivated carbonTrimethoprimPhysicsQC1-999ENJournal of Nigerian Society of Physical Sciences, Vol 3, Iss 4 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Phosphoric acid (H3PO4) Zinc chloride (ZnCl2) Daniellia-oliveri sawdust Activated carbon Trimethoprim Physics QC1-999
spellingShingle	Phosphoric acid (H3PO4) Zinc chloride (ZnCl2) Daniellia-oliveri sawdust Activated carbon Trimethoprim Physics QC1-999 S. A. Adesokan A. A. Giwa I. A. Bello Removal of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents
description	Daniellia—oliveri sawdust-based adsorbents were employed to remove trimethoprim (TMP) from water. The sawdust was thermally carbonized and activated in-stu with ZnCl2 and H3PO4 separately. The adsorbents surface features were profiled using scanning electron microscopic (SEM) and pH point of zero charge (pHpzc ) analyses. The prospects of the adsorbents for the removal of trimethoprim from water were verified. The adsorption processes were performed under different experimental conditions. The adsorption isotherm, the kinetics, and the thermodynamics were studied; and the data fitting output revealed that both chemisorptions and physisorption occurred. Surface and pore diffusion played active role in the adsorption of TMP by the adsorbents. The optimum conditions for adsorption of TMP by the adsorbents were pH at slightly acidic to neutral medium and temperature at room temperature. The fitting isotherm models were: Langmuir (R2 = 0.993) for the zinc-chloride-activated-carbon, Temkin (R2 = 0.962) for the phosphoric-acid-activated-carbon, and the kinetics: pseudo-second order (R2 = 0.997) for both. The maximum monolayer adsorption capacities of the adsorbents for TMP was 4.115 and 6.495 mg/g, respectively. The thermodynamic parameters determined suggested feasibility, spontaneity, and endothermicity of the adsorption processes. The results reveal that the adsorbents were good prospects for the removal of TMP from water.
format	article
author	S. A. Adesokan A. A. Giwa I. A. Bello
author_facet	S. A. Adesokan A. A. Giwa I. A. Bello
author_sort	S. A. Adesokan
title	Removal of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents
title_short	Removal of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents
title_full	Removal of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents
title_fullStr	Removal of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents
title_full_unstemmed	Removal of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents
title_sort	removal of trimethoprim from water using carbonized wood waste as adsorbents
publisher	Nigerian Society of Physical Sciences
publishDate	2021
url	https://doaj.org/article/53b7bbdb145e4d86907cb2ff729cec78
work_keys_str_mv	AT saadesokan removaloftrimethoprimfromwaterusingcarbonizedwoodwasteasadsorbents AT aagiwa removaloftrimethoprimfromwaterusingcarbonizedwoodwasteasadsorbents AT iabello removaloftrimethoprimfromwaterusingcarbonizedwoodwasteasadsorbents
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Removal of Trimethoprim from Water using Carbonized Wood Waste as Adsorbents

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