| 膜基-气体吸收耦合分离混合气中CO2性能评价 |
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| 引用本文： | 陆建刚,郑有飞,连平,陈敏东.膜基-气体吸收耦合分离混合气中CO2性能评价[J].南京气象学院学报,2007,30(6):881-884. |
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| 作者姓名： | 陆建刚 郑有飞 连平 陈敏东 |
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| 作者单位： | 南京信息工程大学,环境科学与工程学院,江苏,南京,210044 |
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| 基金项目： | 江苏省高校自然科学基金
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南京信息工程大学校科研和教改项目
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江苏省高等学校大学生实践创新计划项目 |
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| 摘 要： | 在膜基-气体吸收耦合实验装置上,评价了疏水性PP(聚丙烯)微孔膜,活化MDEA(N-甲基二乙醇胺)溶液分离混合气中CO2传质性能,研究了气液流速、吸收剂和混合气的浓度等因素对总传质系数的影响,采用阻力层关联方程模型预测总传质系数Kov值.结果表明:活化MDEA溶液能提高总传质系数Kov值,模型的计算值和实验值符合较好.
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| 关 键 词： | 膜吸收 CO2 性能评价 膜基 气体吸收 耦合分离 混合气 传质性能 评价 Coupling Gas Absorption Based Membrane Gas Mixtures Performance 实验值 计算值 方程模型 结果 预测 关联 阻力 影响 |
| 文章编号： | 1000-2022(2007)06-0881-04 |
| 修稿时间： | 2007年4月17日 |
Separation Performance of CO2 from Gas Mixtures by Membrane Based Gas Absorption Coupling |
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| LU Jian-gang,ZHENG You-fei,LIAN Ping,CHEN Ming-dong.Separation Performance of CO2 from Gas Mixtures by Membrane Based Gas Absorption Coupling[J].Journal of Nanjing Institute of Meteorology,2007,30(6):881-884. |
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| Authors: | LU Jian-gang ZHENG You-fei LIAN Ping CHEN Ming-dong |
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| Abstract: | The mass-transfer performance of hydrophobic PP(polypropylene) microporous membrane and activated MDEA(methyldiethanolamine) solutions in the CO2 separation from a mixture was evaluated with a membrane based gas absorption coupling.Effects of gas and liquid flowrates as well as absorbent and feed components on overall mass transfer coefficient were investigated.Overall mass transfer coefficient Kov was theoretically calculated based on the model of resistance in series.Results show that,activated MDEA solutions could enhance mass transfer and increase the values of Kov.The values of the model are in good agreement with those of experiments. |
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| Keywords: | membrane gas absorption CO2 performance evaluation |
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