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Removal of Chromium (III) Ions from Simulated Wastewater using Activated Carbon Derived from Periwinkle Shell
Subject area: Science,Engineering and Technology · Area of research: Environmental Engineering
Abstract
Agricultural wastes have shown potential for use as cheap and effective adsorbents for wastewater treatment. This study investigated the removal of Cr3+ ions from simulated wastewater using activated carbon derived from Periwinkle shell. The prepared adsorbent was characterized by analyzing some of its physicochemical properties, FTIR spectra and SEM micrographs. Batch adsorption experiments were conducted using initial metal ion concentration, adsorbent dosage and contact time as the process variables. Two common adsorption isotherms and two kinetic models were fitted to the adsorption data. The topography of the adsorbent?s surface, available functional groups and its properties, indicate that the adsorbent is suitable for metal ion uptake from solution. The three process variables had positive effects on the percentage removal of Cr3+ ions. The adsorption process followed homogeneous monolayer coverage of the metal ions on the surface of the adsorbent, while chemisorption controlled the kinetics of the process. A mathematical model was derived and validated for the process. The maximum percentage metal ion removal was found to be 98.9 % at optimum values of 60 minutes, 93 mg/l of initial metal ion concentration and 6 g of adsorbent dosage. Periwinkle shell activated carbon is a cheap and effective adsorbent for the treatment of wastewater contaminated with Cr3+ ions.
Keywords
Adsorption, Periwinkle shell, Chromium (III) ions, Characterization, Wastewater, Modeling
How to cite this paper
@article{1706034,
author = {EGEMBA, Kingsley Chibuzor, ITAKETO, Uduakobong Umana},
title = {Removal of Chromium (III) Ions from Simulated Wastewater using Activated Carbon Derived from Periwinkle Shell},
journal = {Iconic Research And Engineering Journals},
year = {2024},
volume = {8},
number = {1},
pages = {273-279},
issn = {2456-8880},
url = {https://www.irejournals.com/formatedpaper/1706034.pdf},
abstract = {Agricultural wastes have shown potential for use as cheap and effective adsorbents for wastewater treatment. This study investigated the removal of Cr3+ ions from simulated wastewater using activated carbon derived from Periwinkle shell. The prepared adsorbent was characterized by analyzing some of its physicochemical properties, FTIR spectra and SEM micrographs. Batch adsorption experiments were conducted using initial metal ion concentration, adsorbent dosage and contact time as the process variables. Two common adsorption isotherms and two kinetic models were fitted to the adsorption data. The topography of the adsorbent?s surface, available functional groups and its properties, indicate that the adsorbent is suitable for metal ion uptake from solution. The three process variables had positive effects on the percentage removal of Cr3+ ions. The adsorption process followed homogeneous monolayer coverage of the metal ions on the surface of the adsorbent, while chemisorption controlled the kinetics of the process. A mathematical model was derived and validated for the process. The maximum percentage metal ion removal was found to be 98.9 % at optimum values of 60 minutes, 93 mg/l of initial metal ion concentration and 6 g of adsorbent dosage. Periwinkle shell activated carbon is a cheap and effective adsorbent for the treatment of wastewater contaminated with Cr3+ ions.},
keywords = {Adsorption, Periwinkle shell, Chromium (III) ions, Characterization, Wastewater, Modeling},
month = {July},
}