Effect of inoculum size on the aeration pattern of batch cultures of a fungal microorganism
β Scribed by D. E. Brown; M. A. Zainudeen
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- English
- Weight
- 611 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0006-3592
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β¦ Synopsis
Abstract
Trichoderma reesei QM 9123 has been grown in batch culture in a 10 liter stirred fermentor, at a temperature of 30Β°C and pH 4.0. The fermentor was operated at a single stirrer speed of 400 rpm and air rate of 1 v/v/m. The effect of four inoculum sizes (0.5, 1.0, 3.0 and 5.0%) on the growth pattern and the aeration profiles was examined. Logarithmic growth of the fungus was observed. The aeration profile changed with inoculum size and at 5.0%, it was found that the oxygen uptake rate was controlled by the oxygen supply rate, during which the oxygen tension was zero.
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