CN1317049C - Batch extractive distillation separating method of acetonitrile-methylbenzene azeotropic mixtrue - Google Patents
Batch extractive distillation separating method of acetonitrile-methylbenzene azeotropic mixtrue Download PDFInfo
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- CN1317049C CN1317049C CNB2005100146358A CN200510014635A CN1317049C CN 1317049 C CN1317049 C CN 1317049C CN B2005100146358 A CNB2005100146358 A CN B2005100146358A CN 200510014635 A CN200510014635 A CN 200510014635A CN 1317049 C CN1317049 C CN 1317049C
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- acetonitrile
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- toluene
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- extraction agent
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CNB2005100146358A CN1317049C (en) | 2005-07-26 | 2005-07-26 | Batch extractive distillation separating method of acetonitrile-methylbenzene azeotropic mixtrue |
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CNB2005100146358A CN1317049C (en) | 2005-07-26 | 2005-07-26 | Batch extractive distillation separating method of acetonitrile-methylbenzene azeotropic mixtrue |
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CN1736529A CN1736529A (en) | 2006-02-22 |
CN1317049C true CN1317049C (en) | 2007-05-23 |
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CNB2005100146358A Expired - Fee Related CN1317049C (en) | 2005-07-26 | 2005-07-26 | Batch extractive distillation separating method of acetonitrile-methylbenzene azeotropic mixtrue |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100427468C (en) * | 2006-05-29 | 2008-10-22 | 天津大学 | Apparatus and method for separating 5-bromo-2-methyl pyridine isomer by intermittent rectification under vacuum |
CN101830830B (en) * | 2009-03-13 | 2013-04-24 | 中国石油天然气股份有限公司 | Method for separating acetonitrile-toluene by extractive distillation through dividing wall rectifying tower |
CN104829437A (en) * | 2015-05-26 | 2015-08-12 | 济南大学 | Intermittent extractive distillation and separation method of acetonitrile-methyl tertiary-butyl ether azeotropic mixture |
CN105175280B (en) * | 2015-06-17 | 2017-06-23 | 济南大学 | Acetonitrile-tert-butyl alcohol azeotropic mixture continuous extraction distillation and separation method |
CN108373426A (en) * | 2018-03-13 | 2018-08-07 | 索闻特环保科技(上海)有限公司 | The separation method of acetonitrile and toluene mixture liquid |
CN111362831B (en) * | 2020-04-25 | 2022-06-28 | 青岛科技大学 | Heterogeneous batch rectification separation process of cyclohexane-acetonitrile-toluene azeotrope |
CN113461477A (en) * | 2021-06-24 | 2021-10-01 | 索闻特环保科技(上海)有限公司 | Method for treating mixed liquid containing acetonitrile and n-heptane |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1106710A (en) * | 1994-11-18 | 1995-08-16 | 天津大学 | Single-tower atmospheric intermittent extractive rectification method |
JP2001004030A (en) * | 1999-04-19 | 2001-01-09 | Nok Corp | Separate plate and manufacture thereof |
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- 2005-07-26 CN CNB2005100146358A patent/CN1317049C/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1106710A (en) * | 1994-11-18 | 1995-08-16 | 天津大学 | Single-tower atmospheric intermittent extractive rectification method |
JP2001004030A (en) * | 1999-04-19 | 2001-01-09 | Nok Corp | Separate plate and manufacture thereof |
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CN1736529A (en) | 2006-02-22 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: RIONLON TIANJIN CHEMICAL Co.,Ltd. Assignor: Tianjin University Contract fulfillment period: 2009.3.2 to 2015.3.1 Contract record no.: 2009120000246 Denomination of invention: Batch extractive distillation separating method of acetonitrile-methylbenzene azeotropic mixtrue Granted publication date: 20070523 License type: Exclusive license Record date: 20091022 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.3.2 TO 2015.3.1; CHANGE OF CONTRACT Name of requester: LIANLONG( TIANJIN ) CHEMICAL CO., LTD. Effective date: 20091022 |
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EC01 | Cancellation of recordation of patent licensing contract |
Assignee: RIONLON TIANJIN CHEMICAL Co.,Ltd. Assignor: Tianjin University Contract record no.: 2009120000246 Date of cancellation: 20130828 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070523 Termination date: 20210726 |