Journal
POWDER TECHNOLOGY
Volume 428, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.powtec.2023.118845
Keywords
Vibrating fluidized bed; Agglomeration; Agglomerate size; Ergun equation; Fine powder; Vibration intensity
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The recycling and reutilization of powdery/dust waste are increasingly important for a sustainable environment and cost reduction. This study investigates component separation using a vibrating fluidized bed and the effects of particle properties on agglomerate formation and destruction. Test powders of rutile and anatase titanium oxide and zinc oxide were used, and changes in the powder layer height and pressure drop were observed. The Ergun equation was utilized to compute agglomerate size and evaluate formation and destruction, and the relationship between equilibrium agglomerate size and vibration intensity was examined.
The recycling and reutilization of powdery/dust waste are becoming increasingly important for ensuring a sustainable environment and decreasing the cost of waste disposal. In this regard, we examined component separation using a vibrating fluidized bed based on the differences in the agglomeration properties of the particles of each component. In the proposed separation method, the knowledge of agglomerate formation and destruction in a fluidized bed is essential. In this study, the effects of particle properties on agglomerate formation and destruction in a vibrating fluidized bed were investigated. Rutile and anatase titanium oxide and zinc oxide were used as test powders. The changes in the powder layer height and pressure drop were recorded. The results were utilized to compute the changes in the agglomerate size using the Ergun equation, and agglomerate formation and destruction were evaluated. Furthermore, the relationship between the equilibrium agglomerate size and vibration intensity was investigated.
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