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Volume-9,Issue-2  ( Apr, 2021 )
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Paper Title :
Utilisation of Chemically Activated Maize Tassel For Remediation of Eutrophic Phosphorus

Author :Nana M. Agyei, Adebayo M. Shofolahan, Jonathan O. Okonkwo

Article Citation :Nana M. Agyei ,Adebayo M. Shofolahan ,Jonathan O. Okonkwo , (2016 ) " Utilisation of Chemically Activated Maize Tassel For Remediation of Eutrophic Phosphorus " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 15-17, Volume-4,Issue-4, Spl. Iss-2

Abstract : Chemical precipitation with lime, the technology of choice for phosphate removal from contaminated waters, is expensive. In this study the feasibility of utilizing low-cost chemically activated maize tassel for the adsorptive removal of phosphate was assessed. H3PO4 was added to maize tassel powder in the impregnation ratio 2:1(w/w H3PO4: tassel) and activated at 600°C under an inert atmosphere of N2. The activated product was characterized by BET. Activation resulted in an increase in specific surface area from SBET 2.54 to 803.8 m2/g. Batch experiments were performed to study the removal of phosphate from simulated samples; the optimal parameters were found to be: contact time of 90 min, pH 7 and adsorbent dosage of 1.5 g per 100 mL solution. The adsorption data were fitted to the Langmuir isotherm model (R2 > 0.99), yielding an estimated adsorption capacity of 15.41 mg PO4 3- (as P) per g adsorbent. The activated product was successfully applied for the remediation of phosphate in selected sewage samples. Keywords- Maize tassel, chemical activation, eutrophication, phosphate removal.

Type : Research paper

Published : Volume-4,Issue-4, Spl. Iss-2


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-6577   View Here

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