Gas Hold‐Up in Stirred Tank Reactors in the Presence of Inorganic Electrolytes | Zendy

Yawalkar Archis A. | Zendy; Heesink Albertus B. M. | Zendy; Versteeg Geert F. | Zendy; Pangarkar Vishwas G. | Zendy

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Gas Hold‐Up in Stirred Tank Reactors in the Presence of Inorganic Electrolytes

Author(s) -

Yawalkar Archis A.,

Heesink Albertus B. M.,

Versteeg Geert F.,

Pangarkar Vishwas G.

Publication year - 2002

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450800502

Subject(s) - electrolyte , dispersion (optics) , aqueous solution , surface tension , chemistry , continuous stirred tank reactor , analytical chemistry (journal) , strong electrolyte , thermodynamics , materials science , chromatography , physics , electrode , optics

Gas hold‐up (ϵ G ) in air‐aqueous electrolyte solutions in stirred tank reactors (STR) is correlated using a relative gas dispersion parameter, N / N cd and a surface tension factor (STF), ( c / z )( d δ/ dc ) 2 . For electrolyte concentration below transition concentration ( c t ) a single correlation in the form of ϵ G = f ( N / N cd , vvm , STF) shows good agreement with gas hold‐up data over a wide range of system and operating conditions. Above ct no effect of STF on gas hold‐up is observed and the correlation obtained is of the form ϵ G = f ( N / N cd , vvm ). Data available in the literature on large STR show good fit with the proposed correlation.

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