Modeling of CO₂ absorber using an AMP solution

Heat of absorption of carbon dioxide in mixtures of 2-amino-2-methyl-1-propanol and organic solvents

“…Fig. 7 shows the results for 15 wt% AMP in NMP or TEGDME, at 50 • C, and those reported in the literature for AMP in ethylene glycol (EG) (Zheng et al, 2013), and aqueous solutions of AMP (Arcis et al, 2008;Gabrielsen et al, 2006;Mehdizadeh et al, 2013). Zheng et al (2013) reported a correlation for calculating the heat of absorption for solutions of AMP and EG, as a function of temperature and CO 2 loading, that was derived from the solubility data determined in that work, using the Gibbs-Helmholtz equation.…”

“…The data for CO2 absorption in aqueous solutions of 15 and 30 wt% AMP at 49.35 • C are from Arcis et al (2008), and the data for CO2 absorption in 25 wt% AMP at 40 • C are from Mehdizadeh et al (2013). The dashed line is calculated using the correlation between the heat of absorption and CO2 loading, in aqueous solutions of AMP at 50 • C, reported by Gabrielsen et al (2006).…”

“…The heat of absorption for aqueous solutions of 25 wt% AMP previously reported by Mehdizadeh et al (2013) was determined using reaction calorimetry, and the values reported correspond to the differential heat of absorption, as defined in this work. Gabrielsen et al (2006) reported a correlation for calculating the heat of absorption for aqueous AMP solutions, as a function of temperature and CO 2 loading that was derived from solubility data using the Gibbs-Helmholtz equation. The correlation was not validated using experimental data, but the calculated temperature profile of a modeled absorption tower was found to agree well with data from an experimental pilot plant.…”

A comparative study of different amine-based solvents for CO2-capture using the rate-based approach

“…Gabrielsen et al, 2006), one of them being a kinetically controlled and reversible reaction (11) and the remaining two instantaneous and reversible reactions ,…”

Reactive Absorption

“…Nowadays, the rate-based models are mostly used, being typically implemented in AspenTech AspenPlus (RATEFRAC or RateSep unit), Aspen Custom Modeller Kucka et al ., 2003), gPROMS , Mathworks Matlab (Gabrielsen et al ., 2006), FORTRAN (Thiele et al ., 2007), ProTreat or even CFD software (e.g. ANSYS CFX).…”