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气升式三相内环流生物反应器内流体力学和传质性能的实验研究
Experimental Study on Hydrodynamic and Mass Transfer Characteristics of Three-Phase Internal Loop Airlift Bioreactors
【Author】 JIA Xiao-qiang, WEN Jian-ping, CHENG Xian-rui, YANG Peng, ZHU Yong(Department of Biochemical Engineering, School of Chemical Engineering and Technology, Tianjin University,Tianjin 300072. China)
【机构】 天津大学化工学院生物化工系；
【摘要】 本文通过实验研究了气升式三相内环流反应器在非牛顿流体中的流体动力学特性和传质性能.考察了表观气速、导流筒与反应器截面积之比、固体粒子加入量及CMC溶液浓度等操作条件对气升式三相内环流生物反应器中导流筒与环隙内液体循环速度、气含率、固含率及气-液体积传质系数等流动与传质特性参数的影响.
【Abstract】 Hydrodynamic and gas-liquid mass transfer characteristics such as liquid velocity, gas holdup, solid holdup and gas-liquid volumetric mass transfer coefficient in the riser and downcomer of the gas-liquid-solid three-phase internal loop airlift bioreactors with complete gas recirculation for non-Newtonian fluids were experimentally studied. The effects of different operating parameters including superficial gas velocity, draught tube cross-sectional area fraction, solid loading and concentration of CMC solutions were investigated.
【Key words】 three-phase internal loop airlift bioreactors； hydrodynamics； mass transfer； non-newtonian fluid；
- 【会议录名称】 中国颗粒学会2004年年会暨海峡两岸颗粒技术研讨会会议文集
- 【会议名称】中国颗粒学会2004年年会暨海峡两岸颗粒技术研讨会会议
- 【会议时间】2004-08
- 【会议地点】中国山东烟台
- 【分类号】TQ051
- 【主办单位】中国颗粒学会