The text reviews the design and simulation of individual simple unit operations that includes a mathematical model of each unit operation such as reactors, separators, and heat exchangers. The author describes the basic methodologies for computer aided design and offers a description of the basic steps of process simulation in Aspen Plus and Aspen Hysys. A comprehensive and practical resource, the text uses both Aspen Plus and Aspen Hysys simulation software. However, the deviations are independent on the temperature of the rich amine.A comprehensive and example oriented text for the study of chemical process design and simulationĬhemical Process Design and Simulation is an accessible guide that offers information on the most important principles of chemical engineering design and includes illustrative examples of their application that uses simulation software. The deviations on the estimation of the CO 2 stripped show some dependency on the CO 2 loading in the rich amine flux entering the desorber. The simulated temperatures of the liquid flux leaving the reboiler show a deviation of 3.3% compared with the experimental data. The model shows an AARD (average absolute relative deviation) of 9.2% for the CO 2 stripped (kg/h) for the tested 78 experimental runs. The desorbers in the different campaigns varied in the diameters, structured packing heights and packing types.Ī good agreement is observed between experimental data and the simulation results of the chemical absorption process presented here. In this work, a simulation model of the desorption column built in ASPEN PLUS v8.6 was validated using four experimental pilot campaigns using 30 wt% MEA. Validated simulation models are essential for the scale-up of the chemical absorption process and they are typically validated using only data from one pilot plant. This process comprises two stages: The absorption of CO 2 into the solvent and the desorption, to regenerate the solvent and produce the high concentrated CO 2 gas. The chemical absorption process has been extensively studied as one of the main carbon capture and separation technologies.
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March 2023
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