Mass transfer characteristics of horizontal agitated contactors | Zendy

Joshi J. B. | Zendy; Sharma M. M. | Zendy

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Mass transfer characteristics of horizontal agitated contactors

Author(s) -

Joshi J. B.,

Sharma M. M.

Publication year - 1976

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.5450540535

Subject(s) - impeller , sparging , contactor , nozzle , mass transfer , propeller , mass transfer coefficient , aeration , mechanics , materials science , agitator , chemistry , analytical chemistry (journal) , thermodynamics , chromatography , physics , engineering , marine engineering , power (physics) , organic chemistry

The values of effective interfacial area, a , and liquid side mass transfer coefficient, k L a , were obtained in 0.385, 0.57 and 1.0 m i.d. horizontal agitated contactors by using chemical methods. Propeller type of impellers were employed for agitation. Two modes of operation were studied: (i) surface aeration and (ii) sparging of gas. The impeller speed was varied from 50 to 700 rev/min , and the nozzle gas velocity was varied from 40 to 160 m/s. The effects of impeller spacing, liquid submergence and nozzle gas velocity on the values of a and k L a were investigated. A scale‐up criterion is discussed.

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