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Study on COz Removal by Benfield Solution Using FEMLAB

MOHAMED PUAD, ANA FARALIZA (2005) Study on COz Removal by Benfield Solution Using FEMLAB. universiti teknologi petronas. (Unpublished)

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Abstract

The main objective of this project is to study C02 removal by Benfield solution at various process conditions ie: atvarious temperature and concentration of lean Benfield solution, at different concentration of diethanolamine (DEA) and at different value of gas mass transfer coefficient, Kgco2- Scope of study includes identification of general process description of Benfield absorption system and chemical reactions involved, development of transport phenomena equation that describes Benfield absorption system in mathematical form. Then the required coefficient values are searched through literature review. Followed by modelling using FEMLAB and documentation of FEMLAB output. Finally the results were analyzed andjustified with existing studies. At different temperature of lean Benfield, the rate of C02 absorption is increased initially, but further increment of temperature caused less C02 to be absorbed. Thus for temperature 333K, 343K and 353K the optimum temperature for this system is found at 343K. The effect of gas mass transfer coefficient, Kgco2 to amount of C02 absorption in Benfield solution is inversely proportional. At various concentration of potassium carbonate which are 0.0001 mol/m3, 0.02 mol/m3 and 0.06 mol/m3 the most efficient of C02 absorption occurred at 0.02 mol/m3. The different in concentration of Amine did not affect the system. From the results obtained it canbe concluded that the absorption is limited by the resistance to diffusion and finite velocity of the reaction.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: UNSPECIFIED
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/7938

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