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中文摘要：
设计了一种气相空间带方形扰流柱结构的平板膜生物反应器,进行了甲苯降解废气净化实验,并与未加入方形扰流柱结构的反应器进行了对比。实验研究了甲苯入口浓度和气体流量对甲苯降解效率和传质速率的影响,结果表明,随着甲苯入口浓度和气体流量的增加,膜生物反应器降解效率降低,甲苯的传质速率增大,气相空间加入方形扰流柱后,甲苯在反应器中的传输得到了强化,降解效率最大提高了8%。
英文摘要：
In this work,membrane bioreactor with the square-shape pins in the gas chamber was designed to carry out the toluene degradation experiment and the results are compared with the bioreactor without the square-shape pins.With this new bioreactor,the effects of the inlet toluene concentration and gas flow rate on the removal efficiency and toluene transfer rate were investigated.The experimental results indicate that the removal efficiency decreased and toluene transfer rate increased with increasing the inlet toluene concentration and gas flow rate for both the bioreactor designs with and without the square-shape pins in the gas chamber.It is also found that the bioreactor with the square-shape pins yields higher removal efficiency with about 8% increment and toluene transfer rate than the one without the square-shape pins due to enhanced mass transfer resulting from the added pins.
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