Estimation of KLa in solid-state fermentation using a packed-bed bioreactor

Gowthaman, M. K. ; Rao, K. S. M. S. Raghava ; Ghildyal, N. P. ; Karanth, N. G. (1995) Estimation of KLa in solid-state fermentation using a packed-bed bioreactor Process Biochemistry, 30 (1). pp. 9-15. ISSN 1359-5113

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0032-9592(95)87002-4

Abstract

The direct method based on inlet- and outlet-gas concentrations in submerged fermentation (SmF) was adopted for estimating overall oxygen-transfer coefficients (KLa) in a packed-bed solid-state fermenter. The variation in KLa during fermentation at different air-flow rates was studied. The values of KLa were higher than those found in SmF. The moisture content was found to affect oxygen-transfer rates and coefficients. The value of KLa increased with an increase in air-flow rate in the range 0–15 litre/min but decreased at higher air-flow rates (15–25 litre/min). This could be attributed to the decrease in the moisture content of the substrate at high flow rates.

Item Type:Article
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ID Code:105570
Deposited On:21 Dec 2017 11:50
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