... .. Characteristic:1:Air agitated, lower shear injury, well mixing, and high dissolved oxygen levels, lowenergy consumption,noise, high-loading coefficient ... high viscosity of the Rheological Properties of culture, and lower its apparent viscosity and improve mass transfer rate; oil system for ... ,5-nucleotide); actinomycetes fermentation(PAM). AIF Pilot Scale Test And Industry Scale Airlift Fermentor