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MODELLING OF CO2 SOLUBILITY IN N-METHYLDIETHANOLAMINE AQUEOUS SOLUTIONS USING MODIFIED KENT-EISENBERG MODEL

MOHAMAD, MOHD HAFIZ AZMI (2012) MODELLING OF CO2 SOLUBILITY IN N-METHYLDIETHANOLAMINE AQUEOUS SOLUTIONS USING MODIFIED KENT-EISENBERG MODEL. UNIVERSITI TEKNOLOGI PETRONAS, UNIVERSITI TEKNOLOGI PETRONAS. (Unpublished)

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Abstract

In this project, the main objective is to develop the Modified Kent-Eisenberg model by using computer software. This model has the important advantage of computational simplicity and thus, is selected in this study. Besides that, the objective is also to test the Modified Kent-Eisenberg model on experimental data of Xu et al. (1998) to see the model performance under extended operating pressure and temperature. From the results and discussion, the Modified Kent-Eisenberg model is considered able to give a good prediction of CO2 solubility data in aqueous MDEA solution at 313 – 373 K, at higher CO2 partial pressure ranged between 0.1 kPa – 1000 kPa. In comparison with the thermodynamics model of Xu et al. (1998), the performance of Modified Kent-Eisenberg at higher pressure is considered better than Xu et al. (1998) as its average error of 15.22% is lower than Xu et al (1998), which yield 17.91% average error. Besides that, it is interesting to note that Modified Kent-Eisenberg model gives higher percentage of error as the temperature increase from 328 K to 353 K. It is recommended that the model is reassessed in order to improve the accuracy of the prediction under higher temperature. Besides that, the regression for the parameters of gi and ki shall include the effect of temperature into the analysis of factor Fi.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Advance Process Control
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Sharifah Fahimah Saiyed Yoep
Date Deposited: 01 Apr 2013 09:12
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/6099

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