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Removal of Phenol and Benzene Using Photo Fenton Reagent

Syarizan, Mustapha (2004) Removal of Phenol and Benzene Using Photo Fenton Reagent. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Industrial wastewater treatment has become an important issue in countries of the West Asia region, primarily due to the increasing concern associated with environment and health. This project is intended to address one major issue of wastewater management in petroleum refining industry; which is compliance with local EPA on their effluent discharge. Advanced Oxidation Processes (AOP) has the capability of total destruction of many organic pollutants. Particularly, photo-Fenton oxidation has recently emerged as a very promising technology because of its high efficiency and cost-effectiveness compared with other AOPs. The experiments were conducted in a small scale apparatus with constant monitoring of pH, temperature and UV source. In interpreting the result, one important assumption is that the degradation of phenol and benzene is directly related to the level of Chemical Oxygen Demand (COD) reduction, due to no available means to quantitatively determine the final concentration of both pollutants. Among parameters that are crucial to control in the experiment are Fenton reagent ratio, temperature, pH, reaction time and UV irradiation. Based on the experiment conducted, the optimum ratio of Fenton Reagent is Fe:H202=l:25, at COD reduction of 53.8%. The optimum temperature for operating photo-Fenton reaction is at 40°C, at COD reduction of 68%. This generally concludes that operating at higher temperature increases the degradation rate by 26% than operating at ambient temperature. However, trade-off between these parameters is essential for practicality, especially when cost and safety limit are of major elements to be considered in the design of wastewater treatment system. The result however does not portray the overall performance of photo-Fenton process since no direct correlation exists between the extents of COD reduction and photo-degradation rates of the studied compounds. Future recommendations are proposed to further enhance understanding and appreciable towards the photo-Fenton process in degrading refractory compounds. It is hoped that this project will contribute to the development of a new degradation technique in wastewater management.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Ionic Liquid
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:47
URI: http://utpedia.utp.edu.my/id/eprint/7585

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