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Pb Ion Removal Using Wood Ash

Talenta, Siradick Lam (2006) Pb Ion Removal Using Wood Ash. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Lead (Pb) is a toxic material and can cause grevious health complications in humans. Its removal from the environment is highly desirable and many techniques have been developed for this specific purpose. However, many of these techniques are costly and some materials used are difficult to obtain. Therefore much research has been done in order to find new more cost effective alternatives. This project has the objective of determining whether wood ash is an effective alternative. The project is carried out in an experimental manner. Wood ash is mixed with a known concentration of lead ions. The amount of lead removed is determined by using the Atomic Absorption Spectrometer. This data is then interpreted to determine the effectiveness of wood ash as a lead ion remover. The experiment is performed with three different concentrations of lead ions; 20, 40 and 60 parts per million (ppm). To see the effect oftemperature, the experiments are performed at room temperature, 30, 35,40 and 45 Degrees Celsius. In all the experiments, all the lead is removed within the first ten minutes of the experiment. It has been determined that the mechanism of lead ion removal is precipitation, hence the fast rate of lead removal. This experiment has proven that ash is a very efficient lead ion remover, accomplishing this by chemical precipitation. Therefore ash is considered to be a viable alternative for lead ion removal. Further studies should be conducted to determine the optimum operating conditions and also the detailed economics of removing lead using wood ash.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 11:25
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/9257

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