CN103394209B - 低高压双塔精馏分离乙醇和四氢呋喃共沸物系的方法 - Google Patents
低高压双塔精馏分离乙醇和四氢呋喃共沸物系的方法 Download PDFInfo
- Publication number
- CN103394209B CN103394209B CN201310307577.2A CN201310307577A CN103394209B CN 103394209 B CN103394209 B CN 103394209B CN 201310307577 A CN201310307577 A CN 201310307577A CN 103394209 B CN103394209 B CN 103394209B
- Authority
- CN
- China
- Prior art keywords
- tower
- pressurizing
- oxolane
- atmospheric
- rectifying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 115
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 35
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 238000010992 reflux Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 238000009833 condensation Methods 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 9
- 238000004821 distillation Methods 0.000 description 27
- 238000000926 separation method Methods 0.000 description 20
- 238000011112 process operation Methods 0.000 description 7
- 230000026676 system process Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- -1 1-octyl Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000000895 extractive distillation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- WXMVWUBWIHZLMQ-UHFFFAOYSA-N 3-methyl-1-octylimidazolium Chemical compound CCCCCCCCN1C=C[N+](C)=C1 WXMVWUBWIHZLMQ-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310307577.2A CN103394209B (zh) | 2013-07-22 | 2013-07-22 | 低高压双塔精馏分离乙醇和四氢呋喃共沸物系的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310307577.2A CN103394209B (zh) | 2013-07-22 | 2013-07-22 | 低高压双塔精馏分离乙醇和四氢呋喃共沸物系的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103394209A CN103394209A (zh) | 2013-11-20 |
CN103394209B true CN103394209B (zh) | 2015-07-08 |
Family
ID=49558043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310307577.2A Active CN103394209B (zh) | 2013-07-22 | 2013-07-22 | 低高压双塔精馏分离乙醇和四氢呋喃共沸物系的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103394209B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106243068A (zh) * | 2016-08-31 | 2016-12-21 | 烟台国邦化工机械科技有限公司 | 一种通过耦合精馏提纯四氢呋喃的方法 |
CN106431880B (zh) * | 2016-09-12 | 2019-07-26 | 青岛科技大学 | 新型变压精馏分离丙酮、异丙醚物系的方法 |
CN107011171B (zh) * | 2017-04-14 | 2023-06-06 | 长江师范学院 | 变压精馏分离乙酸乙酯和正己烷共沸体系的系统和方法 |
CN108129264A (zh) * | 2017-12-12 | 2018-06-08 | 北京石油化工工程有限公司 | 一种变压分离甲醇和乙酸酯类的装置及方法 |
CN110694572A (zh) * | 2019-10-16 | 2020-01-17 | 中国石化长城能源化工(宁夏)有限公司 | 一种降解聚四氢呋喃并回收四氢呋喃的设备及改进流程 |
CN111517920B (zh) * | 2020-04-21 | 2022-04-12 | 青岛科技大学 | 一种三塔间歇精馏分离四氢呋喃-甲醇-水的工艺 |
CN112876432B (zh) * | 2021-01-30 | 2022-12-06 | 上海化工研究院有限公司 | 一种脱除四氢呋喃中微量杂质的装置及方法 |
CN116135277A (zh) * | 2023-03-22 | 2023-05-19 | 南京工业大学 | 一种电驱动变压精馏装置及控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4332645A (en) * | 1979-07-11 | 1982-06-01 | Chemische Werke Huls Aktiengesellschaft | Process for the separation of methanol from mixtures of tetrahydrofuran with methanol and water |
CN1049339A (zh) * | 1989-08-04 | 1991-02-20 | 戴维·姆基(伦敦)有限公司 | 从含有四氢呋喃和低级烷醇类及水的混合物回收四氢呋喃的方法 |
CN101830788A (zh) * | 2010-05-21 | 2010-09-15 | 常州大学 | 变压精馏分离甲乙酮和水共沸物的方法 |
CN203043594U (zh) * | 2013-02-28 | 2013-07-10 | 广州巨元生化有限公司 | 一种用于分离丙酮与甲醇的填料精馏塔 |
-
2013
- 2013-07-22 CN CN201310307577.2A patent/CN103394209B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4332645A (en) * | 1979-07-11 | 1982-06-01 | Chemische Werke Huls Aktiengesellschaft | Process for the separation of methanol from mixtures of tetrahydrofuran with methanol and water |
CN1049339A (zh) * | 1989-08-04 | 1991-02-20 | 戴维·姆基(伦敦)有限公司 | 从含有四氢呋喃和低级烷醇类及水的混合物回收四氢呋喃的方法 |
CN101830788A (zh) * | 2010-05-21 | 2010-09-15 | 常州大学 | 变压精馏分离甲乙酮和水共沸物的方法 |
CN203043594U (zh) * | 2013-02-28 | 2013-07-10 | 广州巨元生化有限公司 | 一种用于分离丙酮与甲醇的填料精馏塔 |
Also Published As
Publication number | Publication date |
---|---|
CN103394209A (zh) | 2013-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103394209B (zh) | 低高压双塔精馏分离乙醇和四氢呋喃共沸物系的方法 | |
CN103224456B (zh) | 一种渗透汽化法精制乙腈的工艺及装置 | |
CN103408513B (zh) | 高低压双塔精馏分离乙醇和四氢呋喃共沸物系的方法 | |
CN105001056B (zh) | 一种变压精馏分离异丁醇与正庚烷共沸体系的方法 | |
CN104027996A (zh) | 一种渗透汽化与精馏耦合的系统及其用途 | |
CN105418368A (zh) | 一种生产高纯乙醇的工艺及装置 | |
CN106336337B (zh) | 一种热集成变压精馏分离甲苯与正丙醇共沸物的方法 | |
CN105330514A (zh) | 一种合成气制乙二醇的提纯工艺 | |
CN111574370A (zh) | 无水气相甲醛生产丙烯酸甲酯的方法及设备 | |
CN106146255B (zh) | 双塔变压萃取耦合精馏分离水、甲醇、四氢呋喃物系方法 | |
CN109534998B (zh) | 带有侧线采出的变压精馏分离乙酸乙酯-乙醇的节能工艺 | |
CN104151137B (zh) | 高压常压双塔精馏分离正丁醇和mibk共沸物系的方法 | |
CN108947774B (zh) | 一种分离异丙醇的方法及装置 | |
CN104844433A (zh) | 一种高低压双塔精馏分离丙酮/dmf/水三元体系的方法 | |
CN105130742B (zh) | 一种变压精馏分离叔丁醇和苯混合物的方法 | |
CN104177224B (zh) | 减压常压双塔精馏分离正丁醇和mibk共沸物系的方法 | |
CN113004113A (zh) | 一种以离子液体为萃取剂分离环己烷与ka油的方法 | |
CN111517920B (zh) | 一种三塔间歇精馏分离四氢呋喃-甲醇-水的工艺 | |
CN105964007B (zh) | 一种分离正丁醇‑异丁醇混合物的设备和工艺 | |
CN106242948A (zh) | 一种热集成变压精馏分离正丁醇和辛烷共沸物的方法 | |
CN107011171A (zh) | 变压精馏分离乙酸乙酯和正己烷共沸体系的系统和方法 | |
CN106431880B (zh) | 新型变压精馏分离丙酮、异丙醚物系的方法 | |
CN106631795B (zh) | 热集成变压精馏分离乙酸异丙酯和正庚烷共沸物的方法 | |
CN106631744B (zh) | 一种萃取-变压精馏耦合分离水-丙酮-异丙醚三元物系的方法 | |
CN115028523A (zh) | 一种用于丁酮脱水的变压-非均相共沸精馏分离方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Yinglong Inventor after: Cui Peizhe Inventor after: Ma Yuhong Inventor after: Zhu Zhaoyou Inventor after: Wang Wanling Inventor after: Zhu Feng Inventor before: Wang Yinglong Inventor before: Ma Yuhong Inventor before: Zhu Zhaoyou Inventor before: Wang Wanling Inventor before: Zhu Feng |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210304 Address after: 261500 Chengbei Industrial Park, Gaomi City, Weifang City, Shandong Province Patentee after: Gaomi Changfeng Chemical Co.,Ltd. Address before: 266061 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 99 Patentee before: Qingdao University Of Science And Technology |