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Removal of Copper and Cadmium from Aqueous Solution by Adsorption on Coconut Coir Carbon

Yusop, Siti Haida (2008) Removal of Copper and Cadmium from Aqueous Solution by Adsorption on Coconut Coir Carbon. Universiti Teknologi Petronas. (Unpublished)

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Abstract

concentration of heavy metals from wastewater. Commercial activated carbon is expensive in manufacturing and regenerating. In this study. activated carbon prepared from coconut coir is investigated by observing its efficiency to adsorb copper and cadmium from aqueous solution. Using the batch adsorption technique. parameters such as contact time, pH, carbon dose and concentration of metal in solution on removal was studied. The characteristic of the prepared coconut coir activated carbon was analyzed by measuring its pH, apparent density, moisture content and ash content. The adsorption data for both coconut coir activated carbon and commercially activated carbon (F -400) were fitted to Langmuir and Freundlich isotherm models. From the batch studies conducted, higher adsorption was seen for the lower initial concentration of copper and cadmium ion. The percentage of ion removal also increased with increasing contact time. The effect of pi I and carbon dose also was been studied. The uptake of metal ion is lower in acidic condition and increases with increasing pH. As the carbon dose increases. the percentage of metal removal also increases. Comparing the characteristics of coconut coir activated carbon with coconut coir pith activated carbon (Santhy and Selvapathy. 2004). pH of both carbons is almost the same. Yet the prepared coconut coir activated carbon has higher ash content and is heavier compared to coconut coir pith activated carbon. From the adsorption isotherm, it is seen that the coconut coir activated carbon has higher adsorption capacity compared to F-400. Yet, F-400 has higher adsorption rate compared to coconut coir activated carbon.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:44
URI: http://utpedia.utp.edu.my/id/eprint/7361

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