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Hydrodynamics of a gas-liquid-solid three phase circulating fluidized bed

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Abstract

The hydrodynamics of a gas-liquid-solid circulating fluidized bed was investigated. A new regime, the three phase circulating fluidization regime, was discovered for the first time. The characteristics of this regime were compared with that of the conventional fluidization regime and the transport regime. The particle circulation rate and the gas and solids holdups in circulating fluidization regime were studied.

Abstract

On a étudié l'hydrodynamique d'un lit fluidisé circulant gaz-liquide-solide. Un nouveau régime, le régime de fluidisation circulant triphasique, a été découvert pour la première fois. Ses caractéristiques sont comparées à celles du régime de fluidisation classique et du régime de transport. On a étudié la vitesse de circulation des particules et les rétentions de gaz et de solides en régime de fluidisation circulant.

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