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Adsorption of manganese in aqueous solution by steel slag


Citation

Md Zahar, Mohd Syakirin and Mohd Kusin, Faradiella and Muhammad, Siti Nurjaliah (2015) Adsorption of manganese in aqueous solution by steel slag. Procedia Environmental Sciences, 30. pp. 145-150. ISSN 1878-0296

Abstract

Batch experiments had been conducted to evaluate the ability of steel slag in removing manganese from aqueous solution. Several variables had been setup to evaluate the performance of steel slag in different experimental conditions. The variables include contact time, dosage, pH and initial concentration of manganese. The equilibrium contact time was achieved at 10 hours. 1 g of adsorbent dosage is considered enough to remove heavy metal from aqueous solution. The optimum pH for manganese adsorption onto steel slag was 6. Higher initial concentration leads to the decrease in percentage removal of Mn from solution, but increase in adsorption capacity. The Langmuir isotherm model fits well with data of Mn adsorption onto steel slag compared to Freundlich isotherm model. Steel slag is capable of removing high percentage of Mn from aqueous solution (>95%) in batch experiments, showing potential for real application on-site


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Additional Metadata

Item Type: Article
Divisions: Faculty of Environmental Studies
DOI Number: https://doi.org/10.1016/j.proenv.2015.10.026
Publisher: Elsevier
Keywords: Batch experiment; Adsorption; Steel slag; Manganese; Isotherm model
Depositing User: Mas Norain Hashim
Date Deposited: 03 May 2016 04:11
Last Modified: 03 May 2016 05:33
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.proenv.2015.10.026
URI: http://psasir.upm.edu.my/id/eprint/43198
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