Title

A New Mechanistic Scale-Up Methodology for Gas-Solid Spouted Beds

Abstract

A new mechanistic methodology of scale-up for gas-solid spouted beds has been proposed and validated which is based on maintaining similar radial profiles of gas holdup. Two spouted beds of 0.152 m and 0.076 m inside diameter have been used. The local measurements of the dimensionless solids velocity and holdups using an advanced optical fiber probe and pressure fluctuations using pressure transducers indicate clearly the similarity when the radial profiles of the gas holdups were kept similar in the two studied spouted beds. When the radial profiles of the gas holdups were different in the two studied spouted beds, the dimensionless of the local studied parameters mentioned above were different. The differences increase when the difference in the magnitudes and trends of the gas holdup profiles increases.

Department(s)

Chemical and Biochemical Engineering

Comments

The authors would like to thank Department of Energy − Nuclear Energy Research Initiative (DOE-NERI) grant (NERI DEFC07-07ID14822) for the financial support, which made this work possible.

Keywords and Phrases

Optical Fibers; Gas Hold Up; Gas Solid; Local Measurement; Optical Fiber Probe; Pressure Fluctuation; Radial Profiles; Scale-Up; Spouted Bed; Gases; Gas Holdup Radial Profiles; Gas-Solid Spouted Bed; New Scale-Up Methodology; Solids Velocity

International Standard Serial Number (ISSN)

0255-2701

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2016 Elsevier, All rights reserved.

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