Development of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution

Agricultural waste composite-activated carbon was developed and characterized by means of chemical activation (KCl) to be utilized for the uptake of Pb(II) and As(ll) in a batch adsorption process. This study was carried out to minimize the widespread of heavy metals within water source. Batch adsor...

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Autores principales:	K. S. Obayomi, J. O. Bello, J. S. Nnoruka, A. A. Adediran, P.O Olajide
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2019
Materias:	agricultural waste adsorption heavy metals kinetic thermodynamic Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/5a9a5c2d4d944046bcd935b9bc76ee1c
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spelling	oai:doaj.org-article:5a9a5c2d4d944046bcd935b9bc76ee1c2021-11-04T15:51:56ZDevelopment of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution2331-191610.1080/23311916.2019.1687274https://doaj.org/article/5a9a5c2d4d944046bcd935b9bc76ee1c2019-01-01T00:00:00Zhttp://dx.doi.org/10.1080/23311916.2019.1687274https://doaj.org/toc/2331-1916Agricultural waste composite-activated carbon was developed and characterized by means of chemical activation (KCl) to be utilized for the uptake of Pb(II) and As(ll) in a batch adsorption process. This study was carried out to minimize the widespread of heavy metals within water source. Batch adsorption studies were carried out with the consideration of factors such as pH, temperature, initial concentration, adsorbent dosage and contact time. The phase identification (XRD), surface chemistry (FTI-IR), surface area (BET), surface morphology and elemental identification (SEM/EDX) were all investigated in this study, and the BET surface area were 230.242 and 849.630 m2/g resulting in relatively high adsorption capacities of 200 and 250 mg/g for both As(lIl) and Pb(II), respectively. The adsorption rate of Pb(II) and As(III) onto AWCAC was faster in the first 30 min but it attained equilibrium at 90 min for both metal ions. The Isotherm models studied show that the adsorption process was fitted best to Langmuir model. The result of the kinetic and thermodynamic studies revealed that the adsorption process followed a pseudo-second-order, physical, exothermic, and spontaneous in nature. The adsorption of As(III) and Pb(II) unto agricultural waste composite when compared with other adsorbents in literature gave the highest adsorption capacity.K. S. ObayomiJ. O. BelloJ. S. NnorukaA. A. AdediranP.O OlajideTaylor & Francis Grouparticleagricultural wasteadsorptionheavy metalskineticthermodynamicEngineering (General). Civil engineering (General)TA1-2040ENCogent Engineering, Vol 6, Iss 1 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	agricultural waste adsorption heavy metals kinetic thermodynamic Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	agricultural waste adsorption heavy metals kinetic thermodynamic Engineering (General). Civil engineering (General) TA1-2040 K. S. Obayomi J. O. Bello J. S. Nnoruka A. A. Adediran P.O Olajide Development of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution
description	Agricultural waste composite-activated carbon was developed and characterized by means of chemical activation (KCl) to be utilized for the uptake of Pb(II) and As(ll) in a batch adsorption process. This study was carried out to minimize the widespread of heavy metals within water source. Batch adsorption studies were carried out with the consideration of factors such as pH, temperature, initial concentration, adsorbent dosage and contact time. The phase identification (XRD), surface chemistry (FTI-IR), surface area (BET), surface morphology and elemental identification (SEM/EDX) were all investigated in this study, and the BET surface area were 230.242 and 849.630 m2/g resulting in relatively high adsorption capacities of 200 and 250 mg/g for both As(lIl) and Pb(II), respectively. The adsorption rate of Pb(II) and As(III) onto AWCAC was faster in the first 30 min but it attained equilibrium at 90 min for both metal ions. The Isotherm models studied show that the adsorption process was fitted best to Langmuir model. The result of the kinetic and thermodynamic studies revealed that the adsorption process followed a pseudo-second-order, physical, exothermic, and spontaneous in nature. The adsorption of As(III) and Pb(II) unto agricultural waste composite when compared with other adsorbents in literature gave the highest adsorption capacity.
format	article
author	K. S. Obayomi J. O. Bello J. S. Nnoruka A. A. Adediran P.O Olajide
author_facet	K. S. Obayomi J. O. Bello J. S. Nnoruka A. A. Adediran P.O Olajide
author_sort	K. S. Obayomi
title	Development of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution
title_short	Development of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution
title_full	Development of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution
title_fullStr	Development of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution
title_full_unstemmed	Development of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution
title_sort	development of low-cost bio-adsorbent from agricultural waste composite for pb(ii) and as(iii) sorption from aqueous solution
publisher	Taylor & Francis Group
publishDate	2019
url	https://doaj.org/article/5a9a5c2d4d944046bcd935b9bc76ee1c
work_keys_str_mv	AT ksobayomi developmentoflowcostbioadsorbentfromagriculturalwastecompositeforpbiiandasiiisorptionfromaqueoussolution AT jobello developmentoflowcostbioadsorbentfromagriculturalwastecompositeforpbiiandasiiisorptionfromaqueoussolution AT jsnnoruka developmentoflowcostbioadsorbentfromagriculturalwastecompositeforpbiiandasiiisorptionfromaqueoussolution AT aaadediran developmentoflowcostbioadsorbentfromagriculturalwastecompositeforpbiiandasiiisorptionfromaqueoussolution AT poolajide developmentoflowcostbioadsorbentfromagriculturalwastecompositeforpbiiandasiiisorptionfromaqueoussolution
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Development of low-cost bio-adsorbent from agricultural waste composite for Pb(II) and As(III) sorption from aqueous solution

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