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International Journal of Chemical Reactor Engineering

Ed. by de Lasa, Hugo / Xu, Charles Chunbao

6 Issues per year

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Comparative Study of Numerical Simulations of the RESS Process: The Supercritical Pure Fluid Expansion

Ksibi Hatem
Published Online: 2011-05-07 | DOI: https://doi.org/10.1515/1542-6580.2177

We present a review of numerical models and related (CFD) simulations for the so-called RESS process (rapid expansion of supercritical solutions), which has been attracted with so much attention in the literature for the potential applications related to the production of microparticulates of selected materials with controllable morphology and narrow-size distributions (using supercritical fluids, especially the carbon dioxide). The numerical computation of supercritical fluid flows in general is extremely challenging because of the complexity of the involved physical processes and the different space and time scales. The aim of this study is the focused analysis of advanced mathematical modeling of the supercritical fluid expansion in the RESS process with the specific intent of delineating a possible strategy for optimizing operating parameters. In particular, temperature, pressure, composition, flow rate and reactor dimensions are considered as variables potentially impacting the transport and growth of crystallized particles.

Keywords: numerical simulation; expansion; supercritical fluid; RESS process; shock waves

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Published Online: 2011-05-07

Citation Information: International Journal of Chemical Reactor Engineering, Volume 9, Issue 1, ISSN (Online) 1542-6580, DOI: https://doi.org/10.1515/1542-6580.2177.

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