Solubility of Carbon Dioxide in Carboxylic Acid-Based Deep Eutectic Solvents

被引：24
作者：
Rabhi, Fadhila [1 ]
Mutelet, Fabrice [2 ]
Sifaoui, Hocine [1 ]
机构：
[1] Univ Abderrahmane Mira Bejaia, Fac Sci Exactes, Dept Chim, Lab Phys Chim Mat & Catalyse LPCMC, Bejaia 06000, Algeria
[2] Univ Lorraine, Lab React & Genie Proc, UMR CNRS 7274, 1 Rue Grandville, F-54001 Nancy, France
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2021年 / 66卷 / 01期
关键词：
SOLUTES THERMODYNAMIC PROPERTIES; AQUEOUS POTASSIUM-SALT; PERTURBED-CHAIN SAFT; EQUATION-OF-STATE; CHOLINE-CHLORIDE; IONIC LIQUIDS; L-PHENYLALANINE; CO2; PRESSURE; CAPTURE;
D O I：
10.1021/acs.jced.0c00844
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solubility of carbon dioxide (CO2) in three carboxylic acid-based deep eutectic solvents (DESs) constituted by tetrabutylammonium bromide (TBABr)/octanoic acid (1:2) or TBABr/decanoic acid (1:2) or (DL-menthol/dodecanoic acid) (2:1) was measured using a high-pressure variable volume cell at a temperature ranging from 293.15 to 373.15 K and a pressure up to 122.9 bar. Under 40 bar and at 313.15 K, the best CO2 solubility (2.53 mol(CO2) kg(DES)(-1)) was found with TBABr/decanoic acid (1:2). Experimental measurements were correlated using the PC-SAFT strategy. In this work, the DESs are defined as pseudo-pure components and their PC-SAFT parameters were obtained by fitting to the density data of pure DESs. It was found that the PC-SAFT equation of state represents the CO2 solubility in carboxylic acid-based DESs with good accuracy.
引用
收藏
页码：702 / 711
页数：10
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