| ON THE MURPHREE EFFICIENCIES IN THE SIMULATION OF MULTICOMPONENT DISTILLATION COLUMN:THE BIZARRE BEHAVIOUR AND THE ESTIMATION METHODS |
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| 引用本文： | 徐孝民,张声浩,沈复. ON THE MURPHREE EFFICIENCIES IN THE SIMULATION OF MULTICOMPONENT DISTILLATION COLUMN:THE BIZARRE BEHAVIOUR AND THE ESTIMATION METHODS[J]. 中国化学工程学报, 1991, 2(2): 119-125 |
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| 作者姓名： | 徐孝民 张声浩 沈复 |
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| 作者单位： | Beijing Graduate School of Petroleum University, Beijing |
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| 摘 要： | The composition profiles in an I.D.30mm Oldershaw distillation column with 6 plates at total reflux weremeasured for two ternary systems,ethanol/chloroform/n-hexane and cyclohexane/n-heptane/toluene.Somecomponent effieiencies exhibit the bizarre behaviour,exceeding the normal range(0,1),at the plates near theextreme points of the concentration profiles of the components.The possible relationship between the extremeof the profiles and the bizarre values of component efficiencies has been analysed,and the feasibility and availa-bility of some approaches for the estimation of the component efficiencies are discussed.
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| 收稿时间： | 1989-11-21 |
| 修稿时间： | 1990-8-14 |
ON THE MURPHREE EFFICIENCIES IN THE SIMULATION OF MULTICOMPONENT DISTILLATION COLUMN:THE BIZARRE BEHAVIOUR AND THE ESTIMATION METHODS |
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| XU Xiaomin,ZHANG Shenghao,SHEN Fu. ON THE MURPHREE EFFICIENCIES IN THE SIMULATION OF MULTICOMPONENT DISTILLATION COLUMN:THE BIZARRE BEHAVIOUR AND THE ESTIMATION METHODS[J]. Chinese Journal of Chemical Engineering, 1991, 2(2): 119-125 |
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| Authors: | XU Xiaomin ZHANG Shenghao SHEN Fu |
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| Affiliation: | Beijing Graduate School of Petroleum University, Beijing |
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| Abstract: | The composition profiles in an I.D.30mm Oldershaw distillation column with 6 plates at total reflux weremeasured for two ternary systems,ethanol/chloroform/n-hexane and cyclohexane/n-heptane/toluene.Somecomponent effieiencies exhibit the bizarre behaviour,exceeding the normal range(0,1),at the plates near theextreme points of the concentration profiles of the components.The possible relationship between the extremeof the profiles and the bizarre values of component efficiencies has been analysed,and the feasibility and availa-bility of some approaches for the estimation of the component efficiencies are discussed. |
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