Gas hold‐up in stirred tank reactors | Zendy

Yawalkar Archis A. | Zendy; Pangarkar Vishwas G. | Zendy; Beenackers Anthony A. C. M. | Zendy

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Gas hold‐up in stirred tank reactors

Author(s) -

Yawalkar Archis A.,

Pangarkar Vishwas G.,

Beenackers Anthony A. C. M.

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.5450800117

Subject(s) - impeller , mechanics , dispersion (optics) , continuous stirred tank reactor , work (physics) , range (aeronautics) , nuclear engineering , control theory (sociology) , chemistry , materials science , physics , thermodynamics , engineering , computer science , chemical engineering , aerospace engineering , optics , control (management) , artificial intelligence

Based on a study of the gas hold‐up data for stirred tank reactor generated in the present work and the data available in the literature for large stirred tank reactors ( T = 0.57 m to 2.7 m) equipped with disc turbines and pitched blade downflow turbines a correlation is presented which reliably predicts gas hold‐up data over wide range of system configurations and operating parameters. The parameter used, N/N cd , relates gas hold‐up at impeller speed N with respect to the gas hold‐up at minimum impeller speed for complete dispersion of the gas, N cd . It is shown that the gas hold‐up data of different workers when compared on the basis of N/N cd , shows unanimity.

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