Absorption of SO3 by concentrated sulfuric acid, Aspen simulation
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Sulfuric acid of high concentration is used to absorb SO3, Aspen simulation is employed; sulfuric acid of high concentration is also used to dry flue gas. Has anyone done this? What property methods should be used? !
When simulating the absorption of SO3 by concentrated sulfuric acid in Aspen Plus, it is recommended to use the NRTL (Non-Random Two Liquid) property model. The NRTL model can handle liquid-liquid phase equilibrium problems involving high concentrations of acids effectively. At the same time, ensure that your component database includes SO3 and H2SO4, and check their thermodynamic data to obtain accurate simulation results. .
It’s better not to trust software for this kind of thing