Hydrodynamics of a bubble column under elevated pressure

Measurements of bubble diameter and gas holdup for the nitrogen–water system were carried out in a vertical pilot plant column 0.3 m diameter and 4 m height. The process parameters were varied in the range: temperature 30–160°C, pressure 0.1–1.1 MPa, dry gas flow rate 0.02–0.12 kg/m 2 s (saturated s...

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Bibliographic Details
Published in:Chemical engineering science 1999-11, Vol.54 (21), p.5187-5193
Main Authors: Pohorecki, Ryszard, Moniuk, Władysław, Zdrójkowski, Artur
Format: Article
Language:English
Subjects:
Applied sciences
Bubble column
Bubble diameter
Chemical engineering
Exact sciences and technology
Gas holdup
Hydrodynamics of contact apparatus
Interfacial area
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Summary:Measurements of bubble diameter and gas holdup for the nitrogen–water system were carried out in a vertical pilot plant column 0.3 m diameter and 4 m height. The process parameters were varied in the range: temperature 30–160°C, pressure 0.1–1.1 MPa, dry gas flow rate 0.02–0.12 kg/m 2 s (saturated superficial gas velocity 0.002–0.020 m/s). Making use of the experimental values of the gas holdup and bubble diameter the values of interfacial area were calculated.
ISSN:0009-2509
1873-4405
DOI:10.1016/S0009-2509(99)00238-9