The utility model discloses an
airlift bioreactor for enhancing
mass transfer efficiency, which comprises an outer
tower body, an inner cylinder body coaxially arranged with the outer
tower body is arranged in the outer
tower body, a filler area and an up-flow mixing area which are arranged up and down are arranged in the inner cylinder body, and the filler area and the up-flow mixing area jointly form an up-flow area. A down-flow area is arranged between the outer wall of the inner
barrel and the inner wall of the outer tower body; a first
aeration plate is mounted above the filler area, a second
aeration plate is mounted at the joint of the lower part of the filler area and the upflow mixing area, the first
aeration plate and the second aeration plate are both of convex structures with upwards protruded middle parts, and a plurality of through holes are formed in the first aeration plate and the second aeration plate; a
propeller plate is fixedly arranged in the up-flow mixing area, and an inclined spiral
sieve plate is arranged in the down-flow area. According to the
airlift bioreactor provided by the utility model, the fluid passing efficiency at the filler partition plate can be improved, the air blocking phenomenon is avoided, and meanwhile, the problems of high equipment amplification difficulty,
low mass transfer efficiency, frequent microbial
living environment change, overhigh shearing force and the like are solved.