A pilot airlift reactor integrated a low-shear swirl microbubble generator for yeast production using straw as substrate
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Y Bu, H Xiao, H Zhang, A Chen, Q Huang
Bioresource Technology, 2025
Elsevier
A pilot-scale airlift loop reactor (ALR) coupled with a low-shear swirl microbubble generator was first successfully designed and verified to improve mass transfer, mixing, and yeast production using straw. The hydrodynamics was explored in an air-straw-liquid system. With enhanced external circulation and microbubbles less than 150 μm, mass transfer was promoted by 11.5 times. The impacts of the low-shear microbubble generator on solid substrates and cell activity were also investigated. After long-term operation, the straw d 50 …
