| 气提式环流反应器中局部传质特性研究 |
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| 引用本文： | 陈志荣 汪叔雄. 气提式环流反应器中局部传质特性研究[J]. 化工学报, 1990, 41(2): 129-137 |
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| 作者姓名： | 陈志荣 汪叔雄 |
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| 作者单位： | 联合化学反应工程研究所浙江大学分所,联合化学反应工程研究所浙江大学分所,联合化学反应工程研究所浙江大学分所,联合化学反应工程研究所浙江大学分所 杭州,杭州,杭州,杭州 |
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| 摘 要： | 本文在环流反应器中液相单级返混较小的情况下,提出了测量上、下两流区局部容积传质系数的稳态和动态物理吸收法,对两法的误差来源和适用条件进行了分析讨论,并用该两法对环流反应器的局部传质特性进行研究,发现气相循环比是环流反应器传质特性的一个重要参数.文中应用动量衡算导出了气相循环比的理论关联式.
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| 关 键 词： | 气提式 环流反应器 传质特性 |
Study on the Local Mass Transfer Behaviour in the Air-Lift Loop Reactor |
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| Chen Zhirong Wang Shuxiong Lu Dewei and Chen Gantang. Study on the Local Mass Transfer Behaviour in the Air-Lift Loop Reactor[J]. Journal of Chemical Industry and Engineering(China), 1990, 41(2): 129-137 |
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| Authors: | Chen Zhirong Wang Shuxiong Lu Dewei and Chen Gantang |
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| Affiliation: | Chen Zhirong Wang Shuxiong Lu Dewei and Chen Gantang(UNILAB Research Center of Chemical Reaction Engineering,Zhejiang University,Hangzhou) |
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| Abstract: | In this study, a dynamic method was developed to determine the local mass transfer coefficients of the air-lift loop reactor. In investigating local mass transfer coefficients, we found that the circulation ratio of gas phase was an important parameter affecting the mass transfer behaviours in the downcomer. The larger the ratio, the larger would be the effective mass transfer coefficient. Based on momentum balance, the following equation was derived:where ub∞ was determined as 0.16m/s for air-water system. |
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