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A Study of Cadmium, Nickel and Copper Adsorption Using Multi-walled Nanotubes

Zaina Abidin, Noor Azurah (2010) A Study of Cadmium, Nickel and Copper Adsorption Using Multi-walled Nanotubes. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Water contaminated with heavy metals has harmful effects not only to human being but the environment as well. Their non-biodegradable characteristic may possess possible accretion in living organism and may accumulate to toxic concentration and causes ecological damage under certain environmental condition. This dissertation promotes the adsorption process of heavy metal ions by adopting Multi-walled Carbon Nanotubes (MWNTs) as an adsorbent. MWNTs have been identified as promising materials for use in a wide range of applications. In combination with the large surface area, they have also strapped up with d-spacing more compatible with most heavy metal ions and endowed with exceptionally high material properties such as electrical and thermal conductivity, strength, stiffness, and toughness. Theoptimum contact time, effect of pH and the effect of concentration were investigated. Experiments were done in a batch process mode using water bath shaker at shaking speed of 200 rpm. The highest removal efficiencyachieved at 99.8% for copper followed by 99.7%and 94.6% for cadmium and nickel respectively. The affinity order was determined to be Cu (U) > Cd(H) > Ni(II).

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Process Safety
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 12:09
Last Modified: 22 Oct 2013 12:09
URI: http://utpedia.utp.edu.my/id/eprint/9404

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