A Comparative Study of Adsorption Kinetics and Mechanisms of Zinc (Ii) Ion Sorption using Carbonized and modified Sorghum (Sorghum Bicolor) Hull of Two Pore Sizes (150Am and 250Am)

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Imaga C.C
Imaga C.C
2
Abia A.A
Abia A.A
1 University of Port Harcourt

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A Comparative Study of Adsorption Kinetics and Mechanisms of Zinc (Ii) Ion Sorption using Carbonized and modified Sorghum (Sorghum Bicolor) Hull of Two Pore Sizes (150Am and 250Am) Banner
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Aim of this study was to investigate the use of modified and carbonized SorghumHull of two different pore sizes (150µm and 250µm meshes)inthe removal of Zinc (II) ion from aqueous solution. The effect of contact time (20,40, 60, 80 and 100) minuteswere investigated and reported. The maximum adsorption for 150µm and 250µm were at 40 th and 60 th minutes respectively (55.152mg/l and 55.196mg/l). Both pore sizes showed peak adsorption of Zn 2+ at various contact time as shown in table 1. Kinetic modelings of the results of Zn 2+ of both pore sizes were also investigated. These results showed that Pseudo second order kinetic model best describes the process and the Mechanism of adsorption show that 150µm and 250µm were particle diffusion controlled.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Imaga C.C. 2015. \u201cA Comparative Study of Adsorption Kinetics and Mechanisms of Zinc (Ii) Ion Sorption using Carbonized and modified Sorghum (Sorghum Bicolor) Hull of Two Pore Sizes (150Am and 250Am)\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 15 (GJSFR Volume 15 Issue B1): .

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GJSFR Volume 15 Issue B1
Pg. 25- 37
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-B Classification: FOR Code: 030299
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v1.2

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March 21, 2015

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English

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Aim of this study was to investigate the use of modified and carbonized SorghumHull of two different pore sizes (150µm and 250µm meshes)inthe removal of Zinc (II) ion from aqueous solution. The effect of contact time (20,40, 60, 80 and 100) minuteswere investigated and reported. The maximum adsorption for 150µm and 250µm were at 40 th and 60 th minutes respectively (55.152mg/l and 55.196mg/l). Both pore sizes showed peak adsorption of Zn 2+ at various contact time as shown in table 1. Kinetic modelings of the results of Zn 2+ of both pore sizes were also investigated. These results showed that Pseudo second order kinetic model best describes the process and the Mechanism of adsorption show that 150µm and 250µm were particle diffusion controlled.

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A Comparative Study of Adsorption Kinetics and Mechanisms of Zinc (Ii) Ion Sorption using Carbonized and modified Sorghum (Sorghum Bicolor) Hull of Two Pore Sizes (150Am and 250Am)

Imaga C.C
Imaga C.C University of Port Harcourt
Abia A.A
Abia A.A

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