Abstract

Solids exchange between two adjacent chambers was studied in a dual-column slot-rectangular spouted bed with a suspended partition, a geometry potentially useful for scale-up. Solids transfer between the chambers was quantitatively evaluated by the Lacey mixing index and a solids exchange coefficient. Effects of partition position, superficial gas velocity, static bed height and partition height on solids mixing were demonstrated. The solids exchange between the chambers was strongly influenced by partition position and superficial gas velocity. Static bed height had only a slight effect on solids mixing behavior. A shorter partition helped to promote solids exchange between the chambers.

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