The Mechanism behind Vibration Assisted Fluidization of Cohesive Micro-Silica

Kamphorst, R.; Sande, Priya C.; Wu, Kai; Wagner, Evert C.; David, Milnes P.; Meesters, G.M.H.; Ommen, J. Ruud van

doi:10.14356/kona.2024007

KONA

2024

DOI: 10.14356/kona.2024007

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The Mechanism behind Vibration Assisted Fluidization of Cohesive Micro-Silica

R. Kamphorst

Priya C. Sande

Kai Wu

et al.

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2024

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Cited by 6 publications

References 24 publications

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On the inherent correlation between the fluidization and flow properties of cohesive powders

van der Sande,

Wu,

Kamphorst

et al. 2024

AIChE Journal

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In this study, we investigate the correlation between fluidization behavior and flow properties of 10 commercially available cohesive powders through fluidization and rotating drum experiments. The rotating drum was operated at high speeds to aerate the powder, creating flow fields and stress conditions comparable to those in gas–solid fluidized beds. We introduce a fluidization quality index (FQI) computed from X‐ray imaging, which addresses the limitations of conventional analyses for assessing fluidization quality of cohesive powders. By analyzing flow patterns, the FQI integrates gas holdup and its temporal variation, providing a reliable measure of fluidization quality. The findings establish a positive correlation between flowability and fluidization quality, demonstrating how flowability measurements can predict the effectiveness of mechanical vibration in enhancing fluidization characteristics. These results suggest that fast, user‐friendly flowability assessments in a rotating drum can effectively predict fluidization potential, contributing to process optimization and advancing fluidization studies for cohesive powders.

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On the inherent correlation between the fluidization and flow properties of cohesive powders

van der Sande,

Wu,

Kamphorst

et al. 2024

AIChE Journal

View full text Add to dashboard Cite

show abstract

Time-resolved X-ray study of assisted fluidization of cohesive micron powder: On the role of mechanical vibration

Wu,

Wagner,

Ochkin-Koenig

et al. 2023

Chemical Engineering Journal

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Flow behavior of polypropylene reactor powder in horizontal stirred bed reactors characterized by X-ray imaging

van der Sande,

de Vries,

Wagner

et al. 2024

Chemical Engineering Journal

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The Mechanism behind Vibration Assisted Fluidization of Cohesive Micro-Silica

Cited by 6 publications

References 24 publications

On the inherent correlation between the fluidization and flow properties of cohesive powders

On the inherent correlation between the fluidization and flow properties of cohesive powders

Time-resolved X-ray study of assisted fluidization of cohesive micron powder: On the role of mechanical vibration

Flow behavior of polypropylene reactor powder in horizontal stirred bed reactors characterized by X-ray imaging

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