Solubility of CO2 in Aqueous Blends of (Diethanolamine+2-Amino-2-methyl-1-propanol) and (Diethanolamine plus N-Methyldiethanolamine)

被引：21

作者：

Kumar, Gaurav ^{[1
]}

Mondal, Tarun K. ^{[1
]}

Kundu, Madhusree ^{[1
]}

机构：

[1] Natl Inst Technol, Dept Chem Engn, Rourkela 769008, Orissa, India

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2012年 / 57卷 / 03期

关键词：

GAS-ALKANOLAMINE SYSTEMS; VAPOR-LIQUID-EQUILIBRIA; CARBON-DIOXIDE; HYDROGEN-SULFIDE; MIXTURES; MODEL; PREDICTION; H2S;

D O I：

10.1021/je200647j

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This work presents experimental data for the CO2 solubility in aqueous blends of diethanolamine (DEA) + 2-amino-2-methyl-1-propanol (AMP) and diethanolamine (DEA) + N-methyldiethanolamine (MDEA) at temperatures of (303.1, 313.1, and 323.1) K and CO2 pressure in the range of (1 to 350) kPa. Aqueous ternary mixtures of (DEA + AMP) and (DEA + MDEA) with the following compositions (0.06 mass fraction/0.571 mol.L-1 DEA + 0.24 mass fraction/2.692 mol.L-1 AMP), (0.09 mass fraction/0.856 mol.L-1 DEA + 0.21 mass fraction/2.356 mol.L-1 AMP), (0.12 mass fraction/1.141 mol.L-1 DEA + 0.18 mass fraction/2.019 mol.L-1 AMP), and (0.15 mass fraction/1.427 mol.L-1 DEA + 0.15 mass fraction/1.683 mol.L-1 AMP) and (0.06 mass fraction/0.571 mol.L-1 DEA + 0.24 mass fraction/2.014 mol.L-1 MDEA), (0.09 mass fraction/0.856 mol.L-1 DEA + 0.21 mass fraction/1.762 mol.L-1 MDEA), (0.12 mass fraction/1.141 mol.L-1 DEA + 0.18 mass fraction/1.511 mol.L-1 MDEA), and (0.15 mass fraction/1.427 mol.L-1 DEA + 0.15 mass fraction/1.259 mol.L-1 MDEA) were considered. The total alkanolamine mass fraction was held constant at 0.3. The solubility data produced were correlated within a thermodynamic framework using an extended Debye-Huckel theory of electrolytic solution and the virial equation of state.

引用

页码：670 / 680

页数：11

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