ERRIGUIBLE, Arnaud; MARIAS, Frederic; CANSELL, François; AYMONIER, Cyril

doi:10.1016/j.supflu.2008.09.014

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ERRIGUIBLE, Arnaud
Transferts, écoulements, fluides, énergétique [TREFLE]

MARIAS, Frederic
Laboratoire de Génie Thermique Énergétique et Procédés (EA1932) [LATEP]

CANSELL, François
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Journal of Supercritical Fluids. 2009, vol. 48, n° 1, p. 79-84

Elsevier

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Today material processing in supercritical fluids represents one of the main applications of the supercritical fluid technology within the Nanoscience and Nanotechnology research activities. A wide range of materials can be produced from organic to inorganic NPs with a fine control of their characteristics playing with the process operating parameters. However, there is a crucial need of numerical tools to develop the material processing technology in supercritical fluids at a larger scale.This is particularly the case for the growth of inorganic NPs with processes based on a chemical transformation in supercritical fluids. This paper is focused on the development and validation of a monodisperse model that predicts the growth of inorganic nanostructured particles through a two steps mechanism: coalescence and aggregation. This model can predict the evolution of particle size as a function of the process operating parameters. The numerical tool is validated with the growth of nanostructured copper metal particles in a supercritical CO2/EtOH mixture.< Leer menos

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Model mathematics

Monodispersion

Aggregation

Mechanism

Coalescence

Inorganic particles

Supercritical fluids

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Monodisperse model to predict the growth of inorganic nanostructured particles in supercritical fluids through a coalescence and aggregation mechanism

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