CN107501093B - 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
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- CN107501093B CN107501093B CN201710816369.3A CN201710816369A CN107501093B CN 107501093 B CN107501093 B CN 107501093B CN 201710816369 A CN201710816369 A CN 201710816369A CN 107501093 B CN107501093 B CN 107501093B
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- tower
- pipe
- ethylene glycol
- stripping section
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 114
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000926 separation method Methods 0.000 title claims description 50
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 174
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 114
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000002994 raw material Substances 0.000 claims abstract description 50
- 238000010992 reflux Methods 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000005886 esterification reaction Methods 0.000 claims abstract description 25
- 239000003054 catalyst Substances 0.000 claims abstract description 23
- 239000012071 phase Substances 0.000 claims description 66
- 238000000605 extraction Methods 0.000 claims description 46
- 238000005192 partition Methods 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 15
- 239000012295 chemical reaction liquid Substances 0.000 claims description 12
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 12
- 239000008346 aqueous phase Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 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 10
- 230000000630 rising effect Effects 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 7
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 6
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 3
- 229940098779 methanesulfonic acid Drugs 0.000 claims description 3
- 150000007524 organic acids Chemical group 0.000 claims description 3
- 238000000066 reactive distillation Methods 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 abstract description 10
- 238000006297 dehydration reaction Methods 0.000 abstract description 10
- 239000000376 reactant Substances 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 4
- 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 12
- 239000000047 product Substances 0.000 description 6
- 230000032050 esterification Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- HXDLWJWIAHWIKI-UHFFFAOYSA-N 2-hydroxyethyl acetate Chemical compound CC(=O)OCCO HXDLWJWIAHWIKI-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000020 Nitrocellulose Substances 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
- 238000005282 brightening Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 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
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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)
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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 |
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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 |
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CN107501093A CN107501093A (zh) | 2017-12-22 |
CN107501093B true CN107501093B (zh) | 2023-10-17 |
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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 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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 |
CN112552174B (zh) * | 2020-12-23 | 2023-04-11 | 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 |
CN114699993A (zh) * | 2022-05-11 | 2022-07-05 | 拓烯科技(衢州)有限公司 | 一种聚合反应装置和工艺 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101254444B (zh) * | 2007-12-05 | 2010-12-01 | 南京大学 | 一种催化反应、精馏集成工艺及其专用设备 |
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- 2017-09-12 CN CN201710816369.3A patent/CN107501093B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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 |