- Fermenters in which material is cycled between a bulk tank and a smaller tank or loop of pipes. The circulation helps to mix the materials and to ensure that gas injected into the fermenter is well distributed in the liquid. Particularly useful for photosynthetic fermentations, where the photosynthesizing organisms are passed through a system of many small transparent pipes, which allow the access of light.
Glossary of Biotechnology for Food and Agriculture . 2015.
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