Korean Chemical Engineering Research, Vol.43, No.5, 637-640, October, 2005
액체혼합물의 밀도 측정과 3차 상태방정식에 의한 과잉 몰부피의 예측
Density Measurement of Liquid Mixture and Estimation of Excess Molar Volume by A Cubic Equation of State
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초록
극성과 비극성의 물질인 methyl tert-butyl ether(MTBE)와 2,2,4-trimethylpentane 혼합물과 methyl ethyl ketone(MEK) 와 2,2,4-trimethylpentane 2성분의 액체혼합물 그리고 극성의 물질인 MTBE과 MEK 2성분 액체혼합물의 밀도를 densitometer를 사용하여 278.15 K, 288.15 K, 298.15 K에서 각각 측정하였다. 측정한 밀도로부터 얻은 2성분계 과잉 몰부피의 측정값과 Huron-Vidal의 혼합법칙을 사용한 Peng-Robinson-Stryjek-Vera(PRSV)의 3차 상태방정식으로부터 계산한 계산값이 잘 일치하였으며 극성물질을 포함한 혼합물의 몰부피 계산에 3차의 PRSV 상태방정식이 이용될 수 있음을 확인하였다.
The density of polar-nonpolar liquid mixtures composed of methyl tert-butyl ether(MTBE) and 2,2,4-trimethylpentane, and methyl ethyl ketone (MEK) and 2,2,4-trimethylpentane, and the density of polar-polar liquid mixture of MTBE and MEK were measured by densitometer at 278.15 K, 288.15 K and 298.15 K, respectively. The excess molar volume of the binary systems calculated from the measured density was shown good agreement with the calculated one by the cubic Peng-Robinson- Stryjek-Vera (PRSV) equation of state together with Huron-Vidal mixing rule and it confirmed that the cubic PRSV equation of state could be used in the molar volume calculation of polar mixture.
- Bae HK, Song HC, Lee JW, HWAHAK KONGHAK, 36(1), 120 (1998)
- Lee HS, Yoon JH, Lee H, HWAHAK KONGHAK, 30(5), 553 (1992)
-
Peng IH, Tu CH, J. Chem. Eng. Data, 47(6), 1457 (2002)
- Bouzas A, Cruz Burguet A, Monton JB, Munoz R, J. Chem. Eng. Data, 45(2), 331 (2000)
- Djordjevic BD, Serbanovic SP, Grozdanic DK, Can. J. Chem. Eng., 72(1), 171 (1994)
- Huron MJ, Vidal J, Fluid Phase Equilib., 3, 255 (1979)
- Stryjek R, Vera JH, Can. J. Chem. Eng., 64, 334 (1986)
- Stryjek R, Vera Jh, Can. J. Chem. Eng., 64, 820 (1986)
- Bae HK, HWAHAK KONGHAK, 27(5), 698 (1989)