CN107501093A - 一种分隔壁反应精馏塔生产乙二醇二乙酸酯的设备及方法 - Google Patents
一种分隔壁反应精馏塔生产乙二醇二乙酸酯的设备及方法 Download PDFInfo
- Publication number
- CN107501093A CN107501093A CN201710816369.3A CN201710816369A CN107501093A CN 107501093 A CN107501093 A CN 107501093A CN 201710816369 A CN201710816369 A CN 201710816369A CN 107501093 A CN107501093 A CN 107501093A
- Authority
- CN
- China
- Prior art keywords
- tower
- king
- partition wall
- distillation column
- reactive distillation
- 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.)
- Granted
Links
- 238000005192 partition Methods 0.000 title claims abstract description 87
- 238000000066 reactive distillation Methods 0.000 title claims abstract description 86
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 19
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 162
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 126
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 239000008346 aqueous phase Substances 0.000 claims abstract description 38
- 239000012071 phase Substances 0.000 claims abstract description 38
- 238000010992 reflux Methods 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 238000005886 esterification reaction Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000032050 esterification Effects 0.000 claims abstract description 23
- 239000003054 catalyst Substances 0.000 claims abstract description 22
- 238000000605 extraction Methods 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 6
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 3
- 150000002632 lipids Chemical class 0.000 claims description 3
- 150000007524 organic acids Chemical group 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 abstract description 10
- 238000006297 dehydration reaction Methods 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000000376 reactant Substances 0.000 abstract description 5
- 238000010533 azeotropic distillation Methods 0.000 abstract description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000002407 reforming Methods 0.000 description 3
- HXDLWJWIAHWIKI-UHFFFAOYSA-N 2-hydroxyethyl acetate Chemical compound CC(=O)OCCO HXDLWJWIAHWIKI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 1
- PQLVXDKIJBQVDF-UHFFFAOYSA-N acetic acid;hydrate Chemical compound O.CC(O)=O PQLVXDKIJBQVDF-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- OUNMTQFEKAIZIF-UHFFFAOYSA-N ethane-1,2-diol;oxalic acid Chemical compound OCCO.OC(=O)C(O)=O OUNMTQFEKAIZIF-UHFFFAOYSA-N 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/146—Multiple effect distillation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710816369.3A CN107501093B (zh) | 2017-09-12 | 2017-09-12 | 一种分隔壁反应精馏塔生产乙二醇二乙酸酯的设备及方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710816369.3A CN107501093B (zh) | 2017-09-12 | 2017-09-12 | 一种分隔壁反应精馏塔生产乙二醇二乙酸酯的设备及方法 |
Publications (2)
Publication Number | Publication Date |
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CN107501093A true CN107501093A (zh) | 2017-12-22 |
CN107501093B CN107501093B (zh) | 2023-10-17 |
Family
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Family Applications (1)
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CN201710816369.3A Active CN107501093B (zh) | 2017-09-12 | 2017-09-12 | 一种分隔壁反应精馏塔生产乙二醇二乙酸酯的设备及方法 |
Country Status (1)
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CN (1) | CN107501093B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109956849A (zh) * | 2017-12-22 | 2019-07-02 | 湖南中创化工股份有限公司 | 一种制备乙二醇二乙酸酯和仲丁醇的方法及催化体系和装置 |
WO2019191582A1 (en) * | 2018-03-29 | 2019-10-03 | Uop Llc | Controlling the split of liquid reflux in a dividing wall column |
CN112552174A (zh) * | 2020-12-23 | 2021-03-26 | 江门谦信化工发展有限公司 | 一种精馏乙酸酯的装置及方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110144378A1 (en) * | 2007-12-05 | 2011-06-16 | Nanjing University | Catalytic reaction-rectification integrated process and specialized device thereof |
CN102942475A (zh) * | 2012-11-23 | 2013-02-27 | 福建师范大学福清分校 | 变压精馏分离乙酸乙酯和乙醇共沸物的方法及其生产设备 |
CN103724195A (zh) * | 2013-12-11 | 2014-04-16 | 江门谦信化工发展有限公司 | 一种乙二醇二醋酸酯的合成方法 |
-
2017
- 2017-09-12 CN CN201710816369.3A patent/CN107501093B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110144378A1 (en) * | 2007-12-05 | 2011-06-16 | Nanjing University | Catalytic reaction-rectification integrated process and specialized device thereof |
CN102942475A (zh) * | 2012-11-23 | 2013-02-27 | 福建师范大学福清分校 | 变压精馏分离乙酸乙酯和乙醇共沸物的方法及其生产设备 |
CN103724195A (zh) * | 2013-12-11 | 2014-04-16 | 江门谦信化工发展有限公司 | 一种乙二醇二醋酸酯的合成方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109956849A (zh) * | 2017-12-22 | 2019-07-02 | 湖南中创化工股份有限公司 | 一种制备乙二醇二乙酸酯和仲丁醇的方法及催化体系和装置 |
CN109956849B (zh) * | 2017-12-22 | 2022-01-25 | 湖南中创化工股份有限公司 | 一种制备乙二醇二乙酸酯和仲丁醇的方法及催化体系和装置 |
WO2019191582A1 (en) * | 2018-03-29 | 2019-10-03 | Uop Llc | Controlling the split of liquid reflux in a dividing wall column |
US10792583B2 (en) | 2018-03-29 | 2020-10-06 | Uop Llc | Process and apparatus for controlling the split of liquid reflux in a divided wall column |
CN112552174A (zh) * | 2020-12-23 | 2021-03-26 | 江门谦信化工发展有限公司 | 一种精馏乙酸酯的装置及方法 |
Also Published As
Publication number | Publication date |
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CN107501093B (zh) | 2023-10-17 |
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Address after: 350000 No.1, Xueyuan new village, Longjiang street, Fuqing City, Fuzhou City, Fujian Province Applicant after: Fujian Normal University of Technology Address before: 350000 No.1, Xueyuan new village, Longjiang street, Fuqing City, Fuzhou City, Fujian Province Applicant before: FUQING BRANCH OF FUJIAN NORMAL University |
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Application publication date: 20171222 Assignee: Xiamen yaolei Hongfei Environmental Protection Technology Co.,Ltd. Assignor: Fujian Normal University of Technology Contract record no.: X2024350000105 Denomination of invention: Equipment and method for producing ethylene glycol diacetate in a partition wall reaction distillation tower Granted publication date: 20231017 License type: Common License Record date: 20240617 |