Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 52, Issue 37, Pages 13432-13438Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ie4010496
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Funding
- regional government Xunta de Galicia [10MDS265021PR]
- Consejeria de Innovacion, Ciencia y Empresa (Andalucia Regional Government)
- Ministerio de Ciencia e Innovacion the FPI grant
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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.
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