Carbon Dioxide Solubilities in Decanoic Acid-Based Hydrophobic Deep Eutectic Solvents.,Journal of Chemical & Engineering Data

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Carbon Dioxide Solubilities in Decanoic Acid-Based Hydrophobic Deep Eutectic Solvents.
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2018-03-19 , DOI: 10.1021/acs.jced.7b00534
Lawien F Zubeir ₁ , Dannie J G P van Osch ₁ , Marisa A A Rocha ₁ , Fawzi Banat ₂ , Maaike C Kroon _{1,

2}

Affiliation

The solubility of CO2 in hydrophobic deep eutectic solvents (DESs) has been measured for the first time. Six different hydrophobic DESs are studied in the temperature range from 298 to 323 K and at CO2 pressures up to 2 MPa. The results are evaluated by comparing the solubility data with existing hydrophilic DESs and currently applied physical solvents and fluorinated ionic liquids. The DESs are prepared by mixing decanoic acid with a quaternary ammonium salt with different halide anions and alkyl chain lengths. The measured CO2 solubilities are similar to those found in renowned fluorinated ILs, while the heats of CO2 absorption are in the range of nonpolar solvents. The presented DESs show good potential to be used as CO2 capture agents.

中文翻译：

在癸酸基疏水性深共晶溶剂中的二氧化碳溶解度。

首次测量了CO2在疏水性深共熔溶剂（DES）中的溶解度。在298至323 K的温度范围内，在最高2 MPa的CO2压力下研究了六种不同的疏水性DES。通过将溶解度数据与现有的亲水性DES，当前使用的物理溶剂和氟化离子液体进行比较，评估结果。通过将癸酸与具有不同卤化物阴离子和烷基链长的季铵盐混合来制备DES。测得的CO2溶解度与著名的氟化离子液体相似，而CO2吸收的热量在非极性溶剂范围内。所提出的DES显示出用作CO 2捕集剂的良好潜力。

更新日期：2018-03-20

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