TN90 Figure 2
![](https://images.echocommunity.org/5a0dc2a5-3b3c-436c-bddf-e836fbde5a40/tn90-figure-2.jpg?w=400)
Figure 2. Yeast generates CO2 in vessel C. This is captured in vessel B and displaces water into vessel A. For CO2 flushing, vessel C is replaced with a seed-filled storage vessel and water is added to A. This pushes water into vessel B to displace CO2, injecting it into vessel C. Source: Thompson, AN 28