NMR Characterization of Carbon Dioxide Chemical Absorption with Monoethanolamine, Diethanolamine, and Triethanolamine

被引：68

作者：

Garcia-Abuin, Alicia ^{[1
]}

Gomez-Diaz, Diego ^{[1
]}

Lopez, Ana B. ^{[3
]}

Navaza, Jose M. ^{[1
]}

Rumbo, Antonio ^{[2
]}

机构：

[1] Univ Santiago de Compostela, Dept Chem Engn, ETSE, E-15782 Santiago De Compostela, Galicia, Spain

[2] Univ Santiago de Compostela, Dept Organ Chem, Fac Sci, E-15782 Santiago De Compostela, Galicia, Spain

[3] Univ Jaen, Dept Chem Environm & Mat Engn, EPS, E-23007 Jaen, Andalucia, Spain

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2013年 / 52卷 / 37期

关键词：

CO2; ABSORPTION; ENVIRONMENTAL IMPACTS; AQUEOUS-SOLUTIONS; KINETICS; GAS; CAPTURE; METHYLDIETHANOLAMINE; ALKANOLAMINES; SYSTEMS; COLUMN;

D O I：

10.1021/ie4010496

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The present work analyzes and compares the carbon dioxide absorption process in aqueous solutions of different amines (MEA, monoethanolamine; DEA, diethanolamine; TEA, triethanolamine). This study evaluates the influence of the reagents nature upon absorption using a semicontinuous regime in a bubble contactor. C-13 and nuclear magnetic resonance (NMR) spectroscopy has been used to analyze species (reagents and/or products) in the reaction medium. In this way, the influence of the amino group substitution degree and carbon dioxide loading upon the chemical absorption mechanism were analyzed.

引用

页码：13432 / 13438

页数：7

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