| NMP萃取精馏分离醋酸和水的过程模拟 |
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| 引用本文： | 韩淑萃,杨金杯.NMP萃取精馏分离醋酸和水的过程模拟[J].广东化工,2012,39(9):177-179. |
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| 作者姓名： | 韩淑萃 杨金杯 |
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| 作者单位： | 1. 福州大学罕诚学院,福建福州,135000
2. 福建师范大学福清分校生物与化学工程系,福建福州350300） |
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| 基金项目： | 福建省教育厅科研资助项目 |
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| 摘 要： | 利用化工模拟软件Aspen Plus采用萃取精馏法,以N-甲基吡咯烷酮(NMP)为萃取剂,对生产中醋酸和水分离进行了模拟计算,并与普通精馏法进行比较。结果表明,NMP是一种良好的萃取剂,能够很好的实现醋酸和水的分离;与普通精馏法相比,同样分离指标下萃取精馏法的能耗降低了69.8%,每吨醋酸蒸汽消耗量由10.5 t降低至3.2 t,表明萃取精馏分离醋酸和水,节能显著,优于普通精馏,为醋酸和水分离的优化操作和设计提供依据。
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| 关 键 词： | 醋酸 水 NMP AspenPlus 萃取精馏 |
Simulation Study of the Separation of Acetic Acid and Water by Extractive Distillation with NMP |
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| Han Shucui,Yang Jinbei.Simulation Study of the Separation of Acetic Acid and Water by Extractive Distillation with NMP[J].Guangdong Chemical Industry,2012,39(9):177-179. |
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| Authors: | Han Shucui Yang Jinbei |
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| Affiliation: | 1.Zhicheng College,Fuzhou University,Fuzhou 350002;2.Department of Biological ＆ Chemical Engineering,Fuqing Branch of Fujian Normal University,Fuzhou 350300,China) |
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| Abstract: | The process simulation software Aspen Plus was used to simulate the extractive distillation in the separation of acetic acid and water,and N-Methyl pyrrolidone（NMP） was used as extractive agent.The simulation results showed that NMP is a good extractive solvent,which can high efficiently separate acetic acid and water by extractive distillation,and extractive distillation was superior to conventional distillation in separation of acetic acid and water,which the heat duties of reboiler was reduced by 69.8 %,and the corresponding heating steam was reduced from 10.5 tons to 3.2 tons per ton acetic acid produced.The results could be provided for the design and operation of the separation of acetic acid and water in its industrial production. |
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| Keywords: | acetic acid water NMP aspen plus extractive distillation |
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