The resident time distribution(RTD) of bubble column bioreactor(BC) and airlift loop bioreactor(AL) could be described in combinated model according to the studies on the hydraulics of BC and AL.

• 通过对鼓泡塔式(BC)和内循环气升式(AL)生物流化床反应器水力停留时间分布的研究，发现用组合模型可以描述这两种生物反应器的停留时间分布。