| 膜生物流化床的气液传质特性研究 |
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| 引用本文： | 赵洪兵,羊依金,谭显东.膜生物流化床的气液传质特性研究[J].成都信息工程学院学报,2009,24(3). |
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| 作者姓名： | 赵洪兵 羊依金 谭显东 |
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| 作者单位： | 成都信息工程学院资源环境学院,四川,成都,610225 |
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| 摘 要： | 研究了膜生物流化床的传质特性,结果表明,反应器氧传质系数随着固含率的增加先增加后减小,随着气速和液速的增大而增大;气相含率受气速影响显著并随气速及固含率的增大而升高.载体挂膜后,系统的氧传质系数和气含率降低.
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| 关 键 词： | 膜生物流化床 载体投加量 氧传质系数 气相含率 |
Hydrodynamic property and oxygen transfer of typical membrane-fluidized bed bioreactor |
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| ZHAO Hong-bing,YANG Yi-jin,TAN Xian-dong.Hydrodynamic property and oxygen transfer of typical membrane-fluidized bed bioreactor[J].Journal of Chengdu University of Information Technology,2009,24(3). |
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| Authors: | ZHAO Hong-bing YANG Yi-jin TAN Xian-dong |
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| Institution: | School of Environmental Engineering;CUIT;Chengdu 610225;China |
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| Abstract: | The hydrodynamic and oxygen transfer of the typical membrane-fluidized bed bioreactor are studied.The results show that the oxygen deliver coefficient increases at the beginning,decreases with the augment of the carrier content and then increases with the augment of the air flow rate and liquid flow rate.The gas holdup increases with the gas velocity and carriers holdup.The former plays a more important role.After the biofilm growth the oxygen deliver coefficient and gas-phase percentage of this system beco... |
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| Keywords: | membrane-fluidized bed bioreactor carrier addition oxygen deliver coefficient gas-phase percentage |
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