CN101367017B - 分离三元混合物的多段连续精馏的装置和实现方法 - Google Patents
分离三元混合物的多段连续精馏的装置和实现方法 Download PDFInfo
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- CN101367017B CN101367017B CN2008101513381A CN200810151338A CN101367017B CN 101367017 B CN101367017 B CN 101367017B CN 2008101513381 A CN2008101513381 A CN 2008101513381A CN 200810151338 A CN200810151338 A CN 200810151338A CN 101367017 B CN101367017 B CN 101367017B
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操作方法 | 塔顶甲酸甲酯浓度/(甲酸甲酯,wt) | 塔顶浓度达到稳定所需时间/min | 塔顶浓度稳定性/(甲酸甲酯,wt) | 塔底浓度/(水,wt) |
传统间歇精馏 | 90~94% | 400~600 | 很差(60~94%) | 98.37% |
带有中间储罐的多段间歇精馏 | 93~98% | 350~390 | 较差(80~98%) | 99% |
带有中间储罐的多段连续精馏 | 95~99% | 280~330 | 好(96-99%) | 99.8% |
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CN2008101513381A CN101367017B (zh) | 2008-09-17 | 2008-09-17 | 分离三元混合物的多段连续精馏的装置和实现方法 |
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CN101367017A CN101367017A (zh) | 2009-02-18 |
CN101367017B true CN101367017B (zh) | 2011-02-23 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102614676B (zh) * | 2012-02-24 | 2014-04-09 | 北京化工大学 | 应用外部环流反应蒸馏塔的反应工艺 |
CN105348098B (zh) * | 2015-08-06 | 2017-03-22 | 青岛科技大学 | 一种间歇反应精馏分离甲酸甲酯、甲醇、水的方法 |
CN106892799A (zh) * | 2017-02-27 | 2017-06-27 | 江苏钟山化工有限公司 | 连续减压四段控温精馏精制聚醚丙二醇的方法 |
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Assignee: Shijiazhuang Jackchem Co., Ltd. Assignor: Tianjin University Contract record no.: 2011130000135 Denomination of invention: Multistage continuous distillation apparatus for separation of tertiary mixture and implementing method thereof Granted publication date: 20110223 License type: Exclusive License Open date: 20090218 Record date: 20110906 |
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