期刊
JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷 58, 期 6, 页码 1490-1495出版社
AMER CHEMICAL SOC
DOI: 10.1021/je3011776
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- Banaras Hindu University
The present communication presents the new experimental CO2 solubility data in an aqueous mixture of diethanolamine (DEA) and (2-aminoethyl)ethanolamine (AEEA) at CO2 concentrations in the inlet gas stream from (10.13 to 20.27) kPa and temperatures from (303.14 to 333.14) K. The aqueous (DEA + AEEA) mixtures of total concentrations were chosen from (0.92 to 3.22) mol.kg(-1), and the mole fraction of AEEA in total amine was varied from 0.02 to 0.20. The findings point that the CO2 solubility in a fixed total concentration of amine mixture becomes more at a higher AEEA mole fraction in total amine with a constant temperature and CO2 concentration in the inlet gas stream. The CO2 solubility in the amine mixture falls with the rise in temperature but rises with an increase in CO2 concentration in the inlet gas stream. The highest amount of CO2 solubility in (DEA + AEEA) mixtures was observed as 0.74 mol CO2/mol absorbent with AEEA mole fraction in total amine of 0.2 at a 1.84 mol.kg(-1) total concentration of amine mixture and 313.14 K. The result of this work is compared with some of the most studied amine mixtures available in the literature.
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