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C02 Solubility In Aqueous Solution Of 2-Amino-2ethyl-1,3-propanediol (AEPD) and Piperazine (Pz)

Atan, Muhammad Safwan (2011) C02 Solubility In Aqueous Solution Of 2-Amino-2ethyl-1,3-propanediol (AEPD) and Piperazine (Pz). Universiti Teknologi Petronas. (Unpublished)

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Abstract

Most of the power plants are using conventional alkanolarnine such as monoethanolamine (MEA), diethanolamine (DEA) and N-Methyldiethanolarnine (MDEA) to adsorb C02 for CCS.2 -6 However, these conventional alkanolamine had some disadvantages and not efficient. 9 With the emerging research of sterically hindered amines (SHA)7 such as -amino-2ethyl-1,3-propanediol (AEPD) and the usage of activator such as Piperazine (Pz/ being introduced to the industry, the alkanolarnine used for CCS can be change and the process can be more efficient. Main objective of this project is to measure the C02 solubility in aqueous solution of AEPD and Pz Solution. The effects of initial pressure and concentration of aqueous solution of AEPD and Pz towards C02 solubility are also studied. The solubility experiment is conducted using High Pressure Gas Solubility Cell. For this experiment, concentration of AEPD used are 1.0 mol, 2.0 mol and 3.0 mol. Each of the different concentration of AEPD will be mixed with Pz with concentration of 0.1 mol, 0.2 mol and 0.3 mol. the mixture of the AEPD and Pz will be in volume ratio of 3: I. All of the experiments are conducted in constant temperature which is 30°C. Different initial pressure of 5 bar2, I 0 bars, and I 5 bars are also used for each sample. The solubility of C02 is determined in terms of C02 loading per mole of amine used. Three of the highest C02 solubility achieved is 2.4714, 2.3989 and 2.1560 at amine mixture concentration of 1.1 mole, 1.2 mole and 1.3 mole respectively at initial pressure of I 5 bars. Meanwhile, three of the lowest C02 solubility achieved is 0.3964, 0.4280 and 0.4421 at amine mixture concentration of 3.1 mole, 2.1 mole and 3.3 mole at initial pressure of 5 bars. In addition, as the initial pressure for adsorption process is increased, the rate of C02 adsorption will increase and the time taken for the adsorption process to reach equilibrium will be faster. As the concentration of AEPD increases, the C02 loading will decrease. However, the trend of C02 loading for different concentration of Pz could not be determine as there is no significant changes and trend when the Pz concentration is varied.

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: 22 Oct 2013 09:05
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/8913

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