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Statistical analaysis for removal of Cadmium from aqueous solution at High pH

Kabbashi, Nassereldeen Ahmed and Daoud, Jamal Ibrahim and Mirghani, Mohamed Elwathig Saeed and Rosli, Nurhasni Falina (2011) Statistical analaysis for removal of Cadmium from aqueous solution at High pH. Australian Journal of Basic and Applied Sciences, 5 (6). pp. 440-446. ISSN 1991-8178

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In the view of Cadmium (Cd) toxicity from human health, heavy metal concentrations in water are controlled by strict standards and should be reduced to the standards permitted. This study is concerning an approach of removing a heavy metal, Cd, from its aqueous solution by carbon nanotubes (CNTs) absorption. The synthetic water was prepared with initial Cd concentrations of 1mg/L and shook with CNTs, before the water is separated by filtration. A spectrophotometer procedure was applied to analyze the filtrate for the concentration of Cd. The effects of the varying factors on the Cd removal efficiency, which are the CNT dosage, pH, agitation speed and contact time, were studied. All of the factors used in the adsorption experiment were said to be significant with the adsorption capacity which has been identified from the regression analysis. From the results obtained, the highest percentage removal of Cd using CNT is at pH7, 10 mg of CNTs dosage, contact time of 120 min and agitation speed of 150 rpm which gave 19.14% removal.

Item Type: Article (Journal)
Additional Information: 4286/2542
Uncontrolled Keywords: Carbon nanotubes, Toxicity, Statistical analysis, Adsorption experiment
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA170 Environmental engineering. Sustainable engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User: Dr Nassereldeen Kabbashi
Date Deposited: 14 Sep 2011 12:18
Last Modified: 10 May 2012 10:11
URI: http://irep.iium.edu.my/id/eprint/2542

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