Development of a CFD Model of Bubble Column Bioreactors: Part One – A Detailed Experimental Study | Zendy

McClure D. D. | Zendy; Kavanagh J. M. | Zendy; Fletcher D. F. | Zendy; Barton G. W. | Zendy

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Development of a CFD Model of Bubble Column Bioreactors: Part One – A Detailed Experimental Study

Author(s) -

McClure D. D.,

Kavanagh J. M.,

Fletcher D. F.,

Barton G. W.

Publication year - 2013

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.201300544

Subject(s) - sparging , bubble , bioreactor , air water , air sparging , fermentation , air bubble , mechanics , chemistry , computational fluid dynamics , materials science , environmental science , chromatography , chemical engineering , engineering , physics , food science , biology , ecology , organic chemistry , contamination , environmental remediation

The holdup and bubble size distribution (BSD) in bubble columns using both air/water and an industrially relevant air/fermentation media system are investigated. It was found that the BSD in the air/fermentation media system was quite narrow and did not change with height. In contrast, the BSD in the air/water system varied considerably with height depending on the sparger design used. Holdup measurements were also performed for different superficial velocities. The holdup in the air/fermentation media system was greater than that for the air/water system, a result attributed to the presence of surface‐active compounds in the fermentation media.

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