Mass Transfer of Ozone Using a Microporous Diffuser Reactor System

An ozone reactor was constructed using a tubular gas diffuser made of microporous stainless steel to significantly reduce gas bubble size and increase overall mass transfer area. Overall mass transfer coefficient, K L a [s −1 ], was correlated with gas (G) and liquid (L) flow rates using K L a = AL...

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Bibliographic Details
Published in:Ozone: science & engineering 2005-02, Vol.27 (1), p.45-51
Main Authors: Mitani, Marie M., Keller, Arturo A., Sandall, Orville C., Rinker, Robert G.
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Contactor Design
Exact sciences and technology
Mass Transfer Coefficient
Microporous Diffuser
Ozone
Pollution
Reactor Design
Reactors
Remediation
Water Treatment
Water treatment and pollution
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Summary:An ozone reactor was constructed using a tubular gas diffuser made of microporous stainless steel to significantly reduce gas bubble size and increase overall mass transfer area. Overall mass transfer coefficient, K L a [s −1 ], was correlated with gas (G) and liquid (L) flow rates using K L a = AL α G β , with A = 3.96 × 10 8 [s −1 ], α = 1.53, and β = 0.40, with L and G in [m 3 s −1 ]. The reactor is essentially plug flow at high G or L. This system achieves one of the highest ozone mass transfer rates observed in the literature.
ISSN:0191-9512
1547-6545
DOI:10.1080/01919510590908995