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Efficient non-aqueous solvent formed by 2-piperidineethanol and ethylene glycol for CO2 absorption

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Abstract

The non-aqueous solvent formed by 2-piperidineethanol (2-PE) and ethylene glycol (EG) exhibited a high CO2 capacity of up to 0.97 mol CO2 per mol amine at 25 °C and 1.0 atm and a low regeneration temperature of 50 °C, indicating the low energy consumption in the regeneration process. Surprisingly, CO2 directly reacted with EG by forming a carbonate species, proved by FTIR and NMR results.

Graphical abstract: Efficient non-aqueous solvent formed by 2-piperidineethanol and ethylene glycol for CO2 absorption

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Publication details

The article was received on 14 Aug 2019, accepted on 23 Sep 2019 and first published on 23 Sep 2019


Article type: Communication
DOI: 10.1039/C9CC06320J
Chem. Commun., 2019, Advance Article

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    Efficient non-aqueous solvent formed by 2-piperidineethanol and ethylene glycol for CO2 absorption

    D. Yang, M. Lv and J. Chen, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC06320J

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