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Physical Solubility of CO2 in Novel Solvent Called Stonvent Using “N2O Analogy” Method

Siti Fatimah Bt Hashim, Siti Fatimah (2011) Physical Solubility of CO2 in Novel Solvent Called Stonvent Using “N2O Analogy” Method. Universiti Teknologi Petronas, Sri Iskandar,Tronoh,Perak. (Unpublished)

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Abstract

Physical solubility of carbon dioxide (CO2) gas in a novel solvent; Stonvent, has been estimated by applying “Nitrous Oxide (N2O) Analogy” method and compared to conventional amines in terms of its solubility performance obtained from Henry’s law calculations. The analogy is applied due to the reaction between CO2 gas and Stonvent, will be proven to be valid with spectroscopy test. The experiment was conducted at various temperatures (303.15, 313.15 and 323.15) K with pressure ranges at (10, 45 and 80) bar. A solubility apparatus which consists of two pressure vessels has been used to measure the solubility of N2O in Stonvent. The experimental Henry’s constant of N2O have been correlated with that of CO2 in Stonvent. The data obtained demonstrate that the Henry’s constant of CO2 in Stonvent decreases with decreasing temperature and increasing pressure. Lower Henry’s constant indicates higher solubility of CO2 gas in Stonvent. Hence, optimum physical solubility of CO2 in Stonvent obtained is at 303.15 K and 80 bar. Stonvent also showed a better solubility performance compared to the conventional amines such as monoethanolamine (MEA) due to the lower Henry’s constants obtained. Finally, the spectra of Stonvent contacted with N2O and CO2 are compared; in which the negligible effect of N2O vibration showed that the analogy is valid for this experiment

Item Type: Final Year Project
Subject: T Technology > TP Chemical technology
Divisions: ?? sch_che ??
Depositing User: Users 5 not found.
Date Deposited: 11 Jan 2012 12:23
Last Modified: 18 Jan 2012 17:07
URI: http://utpedia.utp.edu.my/id/eprint/396

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