Author Archives: lnz609

This company originally adopted a straight through intake in a 45m3 DHA fermentor, as shown in Fig.1. And it was equipped with mechanical agitation: 4-leaf impellers in three levels of the upper region, and 6-curved leaf turbine at the bottom, motor power is 55kw. Existing problem Straight through intake pipe had a bad gas-liquid mixing…

This firm originally adopted a perforated annulus air sparger in 200m3 vitamin fermentors, as shown in Fig.4. And it was equipped with Lightnin stirring system: 3-leaf impellers in the upper region, and a 5-leaf semicircle turbine at the bottom. Existing problem Perforated tube was too simple to achieve strong gas dispersion, thus DO level in…