| 萃取精馏分离甲醇-乙腈的研究 |
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| 引用本文： | 于洋,白鹏,庄琼红. 萃取精馏分离甲醇-乙腈的研究[J]. 化学工程, 2011, 39(6): 36-39 |
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| 作者姓名： | 于洋 白鹏 庄琼红 |
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| 作者单位： | 天津大学化工学院,天津,300072 |
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| 摘 要： | 为了分离甲醇-乙腈共沸混合物,研究了萃取精馏在甲醇-乙腈共沸物系中的应用.通过溶剂极性比较初选出萃取精馏溶剂,由ChemCAD软件模拟和气液平衡实验验证选定出合适的溶剂用于萃取精馏分离甲醇-乙腈共沸混合物,通过萃取精馏实验考察了所选萃取精馏溶剂的效果.结果表明:N,N-二甲基甲酰胺(DMF)能够消除甲醇-乙腈共沸物系的...
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| 关 键 词： | 萃取精馏 N,N-二甲基甲酰胺 甲醇 乙腈 |
Separation of methanol-acetonitrile by extractive distillation |
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| YU Yang,BAI Peng,ZHUANG Qiong-hong. Separation of methanol-acetonitrile by extractive distillation[J]. Chemical Engineering, 2011, 39(6): 36-39 |
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| Authors: | YU Yang BAI Peng ZHUANG Qiong-hong |
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| Affiliation: | YU Yang,BAI Peng,ZHUANG Qiong-hong(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China) |
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| Abstract: | In order to separate methanol-acetonitrile azeotropic mixture,the application of extractive distillation to separation of methanol-acetonitrile was researched.By comparing solvent polarity,the simulation by ChemCAD software and VLE experiment were used to select the suitable solvent for the separation of methanol-acetonitrile azeotropic mixture by extractive distillation.The effectiveness of the solvent selected was investigated by the extractive distillation experiments.The results show that N,N-dimethylfo... |
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| Keywords: | extractive distillation N N-dimethylformamide methanol acetonitrile |
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