1887

Abstract

Chlorella cultures were grown in a tubular loop reactor which facilitated both irradiation of the culture and gas mixing compared with a conventional stirred vessel with vortex aeration. Measurements of the inhibition of maximum specific growth rate (proportional to photosynthetic rate) in the tubular reactor showed that CO behaves as a typical inhibitory substrate at partial pressures (P) up to 0·6 atm. The P for 50% reduction in maximum specific growth rate was 0·36 atm. At 0·6 atm there was a discontinuity in the inhibitory effect with a sharp increase in the inhibitory effect at higher P values. Cultures rapidly adjusted to step changes in the P up to 0·6 atm. At a P of 1 atm inhibition was complete but the inhibitory effect was readily reversed.

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/content/journal/micro/10.1099/00221287-130-11-2833
1984-11-01
2021-07-25
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