CO2 absorption by biphasic solvents: Mixtures of 1,4-Butanediamine and 2-(Diethylamino)-ethanol

被引：107

作者：

Xu, Zhicheng ^{[1
]}

Wang, Shujuan ^{[1
]}

Chen, Changhe ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Thermal Engn, Key Lab Thermal Sci & Power Engn, Minist Educ,Beijing Key Lab Utilizat & Reduct Tec, Beijing 100084, Peoples R China

来源：

INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL | 2013年 / 16卷

关键词：

BDA; DEEA; Carbon dioxide; Absorption; Biphasic; CARBON-DIOXIDE; AQUEOUS-SOLUTIONS; ABSORBENTS; TEMPERATURE; PIPERAZINE; CAPTURE; N; N-DIETHYLETHANOLAMINE; REGENERATION; SOLUBILITY; KINETICS;

D O I：

10.1016/j.ijggc.2013.03.013

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The cyclic capacity and cyclic loading of mixtures of 1,4-Butanediamine (BDA) and 2-(Diethylamino)-ethanol (DEEA) with different concentrations were compared using a fast screening facility. The biphasic solvent, 2 M BDA blended with 4 M DEEA, was found to have higher cyclic capacity and loading than other concentrations and 5 M MEA. The individual amine distributions in the upper and lower phases were measured by DX-120 ion chromatography (IC), with a formation mechanism then proposed for the biphasic solvents and verified with solubility experiments. The reaction products in the two phases were measured by a JNM ECA-600 nuclear magnetic resonance spectrometer (NMR). (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：107 / 115

页数：9

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