Gas-liquid mass transfer in fluidized particle beds

Gas-liquid mass transfer in fluidized particle beds

Gas/liquid mass transfer has been studied in air/water fluidized beds of 0.05‐8 mm glass spheres in a 0.14 m diameter reactor. The volumetric mass transfer coefficients kL a were independent of bed height, and, for particle diameters up to 1 mm, decreased linearly with solids concentration. Low soli...

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Veröffentlicht in:A.E.Ch.E. J.; (United States) 1985-02, Vol.31 (2), p.194-201
Hauptverfasser: Nguyen-Tien, K., Patwari, A. N., Schumpe, A., Deckwer, W.-D.
Format: Artikel
Sprache:eng
Schlagworte:
420400 - Engineering- Heat Transfer & Fluid Flow
AIR
Applied sciences
Chemical engineering
ENGINEERING
Exact sciences and technology
FLUID FLOW
FLUID MECHANICS
Fluidization
FLUIDIZED BEDS
FLUIDS
GAS FLOW
GASES
GLASS
HYDRODYNAMICS
LIQUID FLOW
MASS TRANSFER
MECHANICS
PARTICLE SIZE
SIZE
TWO-PHASE FLOW
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Beschreibung
Zusammenfassung:Gas/liquid mass transfer has been studied in air/water fluidized beds of 0.05‐8 mm glass spheres in a 0.14 m diameter reactor. The volumetric mass transfer coefficients kL a were independent of bed height, and, for particle diameters up to 1 mm, decreased linearly with solids concentration. Low solids loadings as well as large diameter particles significantly increased kL and a, respectively, as compared to the two‐phase system.
ISSN:0001-1541
1547-5905
DOI:10.1002/aic.690310204