Saturation Carrying Capacity for Group A Particles in a Circulating Fluidized Bed

Empirical models continue to play a significant role in the design process of multiphase chemical reactors, particularly riser reactors in circulating fluidized bed (CFB) processes. It is imperative that accurate, industrial relevant correlations are developed to aid these design efforts. Using poor...

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Published in:Energies (Basel) 2021-05, Vol.14 (10), p.2809
Main Authors: Breault, Ronald W., Weber, Justin
Format: Article
Language:English
Subjects:
Carrying capacity
Chemical reactors
circulating fluidized beds
Correlation
Density
Fluidized beds
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
ISO standards
Reactors
Redesign
Regression analysis
riser flows
Saturation
saturation carrying capacity
Velocity
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description Empirical models continue to play a significant role in the design process of multiphase chemical reactors, particularly riser reactors in circulating fluidized bed (CFB) processes. It is imperative that accurate, industrial relevant correlations are developed to aid these design efforts. Using poor correlations could result in startup issues and significant redesign work. In this work, a new correlation is proposed to predict the saturation carrying capacity of Geldart Group A particles. This new correlation improves upon the currently available correlations for these materials and covers a broad range of Geldart Group A particles (particle diameters from 52 to 70 µm, and Archimedes numbers ranging from 5 to 20), superficial gas velocities (1 to 4 m/s), and riser diameters (0.066 to 0.3048 m). The new correlation has an Absolute Average Percent Deviation of only 17.6%, making it the most accurate correlation for Geldart Group A particles in the current literature.
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subjects Carrying capacity
Chemical reactors
circulating fluidized beds
Correlation
Density
Fluidized beds
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
ISO standards
Reactors
Redesign
Regression analysis
riser flows
Saturation
saturation carrying capacity
Velocity
title Saturation Carrying Capacity for Group A Particles in a Circulating Fluidized Bed
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