| Wiped-Film Molecular Distillation Process |
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| 作者姓名： | 李国兵 张旭斌 许春建 周明 |
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| 作者单位： | School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China |
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| 基金项目： | Supported by National Nalural Science Fonndalion of China（No.20136010）. |
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| 摘 要： | Based on the Bhatnagar-Gross-Krook distillation for two components in the presence equation, a new scheme of wiped-film molecular of inert gas is developed. The equations in the scheme are solved numerically by the method of finite difference and iteration. The new scheme is used to simulate the molecular distillation of dibutyl phthalate and dibutyl sebacate （ DBP-DBS ） mixture. The effects of the inert gas pressure, the distance between the evaporation surface and condensation surface, the rotation rate of blade, and the number of blades on the distillation rate and separation factor are discussed.
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| 关 键 词： | 分子蒸馏 Bhatnagar-Gross-Krook方程 蒸发作用 薄膜蒸馏器 |
| 收稿时间： | 2005-09-12 |
Wiped-Film Molecular Distillation Process |
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| LI Guobing,ZHANG Xubin,XU Chunjian,ZHOU Ming.Wiped-Film Molecular Distillation Process[J].Transactions of Tianjin University,2005,11(6):433-439. |
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| Authors: | LI Guobing ZHANG Xubin XU Chunjian ZHOU Ming |
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| Abstract: | Based on the Bhatnagar-Gross-Krook equation, a new scheme of wiped-film molecular distillation for two components in the presence of inert gas is developed. The equations in the scheme are solved numerically by the method of finite difference and iteration. The new scheme is used to simulate the molecular distillation of dibutyl phthalate and dibutyl sebacate ( DBP-DBS) mix-ture. The effects of the inert gas pressure, the distance between the evaporation surface and con-densation surface, the rotation rate of blade, and the number of blades on the distillation rate and separation factor are discussed. |
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| Keywords: | molecular distillation wiped-film still Bhatnagar-Gross-Krook equation evaporation |
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