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- W2958552500 abstract "Experimental data of CO2 absorption capacity for high concentrated 1-dimethylamino-2-propanol (DMA2P)–monoethanolamine (MEA) aqueous blends are presented under atmospheric pressure in a temperature range of 303.2–323.2 K, at different mass fractions of DMA2P (30 wt%–50 wt%) and MEA (5 wt%–15 wt%). The mass fraction and temperature dependences of the absorption capacity are illustrated. The addition of small amount of MEA into DMA2P aqueous solution leads to an obvious increase in the absorption rate of CO2. However, the absorption rate increases not so significantly when wMEA is of high value. Moreover, the temperature affects the absorption rate not so significantly as compared to solution concentration. The CO2 absorption heat of DMA2P-MEA based on the Gibbs-Helmholtz equation was found to be −55.0 kJ/mol. Besides, the viscosities of both CO2-unloaded and CO2-loaded aqueous solutions were measured and modeled in a temperature range of 303.2–323.2 K, and in atmospheric pressure. The effects of temperature, composition and CO2 loading on viscosities were demonstrated. The Weiland equation gave a good prediction with an average relative deviation of 2.42%. Moreover, the activation energy (Ea) was estimated based on the viscosity." @default.
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- W2958552500 date "2019-12-01" @default.
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- W2958552500 title "Experimental investigation on CO2 absorption capacity and viscosity for high concentrated 1-dimethylamino-2-propanol–monoethanolamine aqueous blends" @default.
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- W2958552500 doi "https://doi.org/10.1016/j.jct.2019.07.007" @default.
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