Adsorption Equilibrium of Nitrates Ions onto Oil Palm Shells-based Activated Carbons

1
Abdoul Ntieche Rahman
Abdoul Ntieche Rahman
2
Kouotou Daouda
Kouotou Daouda
3
Hambate Gomdje Valery
Hambate Gomdje Valery
4
Ndi Julius Nsami
Ndi Julius Nsami
5
Abdoul Wahabou
Abdoul Wahabou
6
Ketcha Joseph Mbadcam
Ketcha Joseph Mbadcam
1 Higher Teachersi Training College, University of Maroua, P.O. Box 55, Maroua, Cameroon.

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In this study, two oil palm shells-based activated carbon adsorbents were prepared by physicochemical activation and were evaluated for their ability to remove nitrate ions from an aqueous solution in a batch process. Steam was used as physical activation agent in combination with H 3 PO 4 and KOH as chemical activating agents, respectively. The H 3 PO 4 -carbon (ACOPS-H 3 PO 4 ) and the KOH-carbon (ACOPS-KOH) oil palm shell activated carbons had a BET surface area of 564 and 838 m 2 /g, respectively, and were essentially microporous. The effects of various parameters such as contact time, initial solution pH and adsorbent dosage on nitrate ions uptake were investigated. The experimental results obtained showed that the adsorption equilibrium was reached within 70 mn. The amount of nitrate intake was observed to gradually increase when the amount of adsorbent used was varied from 0.2 to 1.2 g reaching a maximum value as from 1 g of adsorbent.

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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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Abdoul Ntieche Rahman. 2018. \u201cAdsorption Equilibrium of Nitrates Ions onto Oil Palm Shells-based Activated Carbons\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 18 (GJSFR Volume 18 Issue B2): .

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GJSFR Volume 18 Issue B2
Pg. 37- 52
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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: 259999
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v1.2

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May 4, 2018

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English

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In this study, two oil palm shells-based activated carbon adsorbents were prepared by physicochemical activation and were evaluated for their ability to remove nitrate ions from an aqueous solution in a batch process. Steam was used as physical activation agent in combination with H 3 PO 4 and KOH as chemical activating agents, respectively. The H 3 PO 4 -carbon (ACOPS-H 3 PO 4 ) and the KOH-carbon (ACOPS-KOH) oil palm shell activated carbons had a BET surface area of 564 and 838 m 2 /g, respectively, and were essentially microporous. The effects of various parameters such as contact time, initial solution pH and adsorbent dosage on nitrate ions uptake were investigated. The experimental results obtained showed that the adsorption equilibrium was reached within 70 mn. The amount of nitrate intake was observed to gradually increase when the amount of adsorbent used was varied from 0.2 to 1.2 g reaching a maximum value as from 1 g of adsorbent.

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Adsorption Equilibrium of Nitrates Ions onto Oil Palm Shells-based Activated Carbons

Kouotou Daouda
Kouotou Daouda
Abdoul Ntieche Rahman
Abdoul Ntieche Rahman Higher Teachersi Training College, University of Maroua, P.O. Box 55, Maroua, Cameroon.
Hambate Gomdje Valery
Hambate Gomdje Valery
Ndi Julius Nsami
Ndi Julius Nsami
Abdoul Wahabou
Abdoul Wahabou
Ketcha Joseph Mbadcam
Ketcha Joseph Mbadcam

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