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Benzene and Toluene Removal by Pandanus amaryllifolius Roxb (Pandan Leaves): Effect of Pretreatment and Drying

Mosir, Marina (2005) Benzene and Toluene Removal by Pandanus amaryllifolius Roxb (Pandan Leaves): Effect of Pretreatment and Drying. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Benzene and toluene is typical toxic organic compound that appear very often in chemical and petrochemical wastewaters. These chemicals are classified as carcinogenic and mutagenic. Their presence in the environment, usually in wastewater at low concentration, is a major concern. Various methods could be used in removing these contaminants which include the fixed bed adsorption method. This study requires the student to do researches on the methodusing Pandanus amaryllifolius Roxb leaves as the adsorbent to remove organic compounds. This leaves is believed to be feasible in the removal of the compounds due to its carbon network of the cell wall. The objective of this research is to see the efficiency of the adsorption process using this leaves. Besides, to observe the rate of adsorption using the biomass, few pretreatments and drying methods were applied. Thus, various pretreatment using acids and base are being performed to study the effect of the pretreatment towards the uptake of the benzene and toluene. Also, moisture content in the biomass of the fixed bed adsorption column are analyzed and removed for a much efficient adsorption process. The study was done in a series of experiments. Samples obtained were analyzed using the Ultraviolet-Visible Spectrophotometer (UV-Vis) and Gas Chromatography Mass Spectrometer (GCMS). Results obtained shows that removals of both benzene and toluene are able to be accomplished through the process of fixed bed adsorption using Pandanus amaryllifolius Roxb leaves as adsorbent. Optimum conditions for adsorption to happen were obtained in this project. Over time, it is observed that these organic compounds decreases as it came in contact with the biomass. In conclusion, Pandanus amaryllifolius Roxb leaves do adsorb both organic compounds and shows different rate of adsorption after being pretreated and dried.

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 09:29
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/9016

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