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Liquid Adsorption Model 6fPhenol Via Activated Carbon

Hassim, Nursaaidah (2005) Liquid Adsorption Model 6fPhenol Via Activated Carbon. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Every industrial process create products and waste streams that must be treated before they can bemarketed (products) or safely discharged (waste). Phenol is one of the compounds found in petrochemical wastewater that have attracted public attention due to its possible link with health even at low concentration. Adsorption via activated carbon is known as one of the most efficient methods for removal of petrochemical wastefrom aqueous solution. Conventionally, pilot scale evaluations on adsorption unit require huge investment; provide limited knowledge ontheadsorption behavior and exposes testing personnel to hazardous environment during evaluation. Hence, prediction using adsorption mathematical model is a better option. The objectives of this project areto develop a mathematical model which represents the behavior of the adiabatic-constant-velocity (ACV) adsorption process and to simulate dynamic concentration and temperature profiles of phenol-activated carbon adsorption using stage method and MATLAB. The adsorption mathematical model was developed by using Freundlich isotherm based on the differential mass and heat balances for adiabaric adsorption column. Numerical method of lines (NUMOL) serves as the core mathematical solution for stage method. EquiHbrium data from Abdul Hameed REHAN, Pakistan Institute of NuclearScienceand Technology (1998) were used to simulatethe ACVmodel. Simulation results on the concentration and temperature using the ACV model give reasonably not very accurate predictions when compared to the predicted breakthrough curves of adsorption of phenol (Frank L.Slejko, 1985). The possibilities cause of the errors was discussed. It is observed that at hightemperature, the adsorbed loading tends to be lowered and mass transfer is impeded. Lastly, the simulation results show that the prediction of concentration is more sensitive to mesh size than temperature predictions.

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: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/7673

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