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Received March 9, 2009
Accepted April 17, 2009
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2-Amino-2-Methyl-1-Propanol이 용해한 극성 용매에서 이산화탄소의 흡수
Absorption of Carbon Dioxide into Polar Solvents of 2-Amino-2-Methyl-1-Propanol
부산대학교 화학공학과, 609-735 부산시 금정구 장전동 산 10 1포스코 기술연구원, 790-300 경북 포항시 남구 괴동동 1번지
Division of Chemical Engineering, Pusan National University, San 30, Jangjun-dong, Gumjung-gu, Busan 609-735, Korea 1Technical Research Laboratories, POSCO, 1, Goedong-dong, Nam-gu, Pohang, Gyeongbuk 790-300, Korea
naman@posco.com
Korean Chemical Engineering Research, June 2009, 47(3), 380-385(6), NONE Epub 29 June 2009
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Abstract
평판형 교반기를 사용하여 2-amino-2-methyl-1-propanol(AMP)가 용해된 methanol, ethanol, n-propanol, n-butanol, ethylene glycol, propylene glycol, 및 propylene carbonate와 같은 극성 용매에서 이산화탄소(CO2)의 흡수속도를 측정하였다. CO2의 흡수속도와 carbamate 생성 반응 메커니즘을 사용하여 기-액 불균일반응계의 빠른 반응영역에서 CO2-AMP의 반응속도론을 해석하였으며 용매의 용해도 매개변수와 반응속도상수와의 상관관계를 제시하였다.
The absorption rate of carbon dioxide with 2-amino-2-methyl-1-propanol(AMP) was measured in such non-aqueous solvents as methanol, ethanol, n-propanol, n-butanol, ethylene glycol, propylene glycol, and propylene carbonate, and in water at 298 K and 101.3 kPa using a semi-batch stirred tank with a plane gas-liquid interface. The overall reaction rate constant, obtained under the condition of fast reaction regime, from the measured rate of absorption was used to get the elementary reaction rate constants in complicated reactions represented by reaction mechanism of carbamate formation and the order of overall reaction of CO2 with amine. The correlation between the elementary reaction rate constant and the solubility parameter of the solvent was also presented.
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Hua LQ, Shuo Y, Lin TJ, Sep. Purif. Technol., 16(2), 133 (1999)
Ali SH, Merchant SQ, Fahim MA, Sep. Purif. Technol., 18(3), 163 (2000)
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Caplow M, J. Am. Chem. Soc., 90, 6795 (1968)
Shen KP, Li MH, Yih SM, Ind. Eng. Chem. Res., 30, 1811 (1991)
Malcolm LK, Axel M, J. Chem. Eng. Data, 29, 309 (1984)
Danckwerts PV, Gas-Liquid Reactions, McGraw-Hill Book Co., New York (1970)
Weast R, Astle MJ, CRC Handbook of Chemistry and Physics, E56-E59, CRC Press, Inc. Florida (1979)
Brandrup J, Immergut JE, Polymer Handbook, Second Ed., John Wiley & Sons, New York (1975)
Herbrandson HF, Neufeld FR, J. Org. Chem., 31, 1140 (1966)
Morrison RT, Boyd RN, Organic Chemistry, Fourth Ed., Allyn and Bacon, Inc., Toronto (1983)
