JP7486848B2 - 酢酸ビニルの製造方法及び製造装置 - Google Patents
酢酸ビニルの製造方法及び製造装置 Download PDFInfo
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- JP7486848B2 JP7486848B2 JP2022576528A JP2022576528A JP7486848B2 JP 7486848 B2 JP7486848 B2 JP 7486848B2 JP 2022576528 A JP2022576528 A JP 2022576528A JP 2022576528 A JP2022576528 A JP 2022576528A JP 7486848 B2 JP7486848 B2 JP 7486848B2
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- tower
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- acetic acid
- outlet
- gas separation
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- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 title claims description 58
- 238000004519 manufacturing process Methods 0.000 title claims description 45
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 677
- 239000007789 gas Substances 0.000 claims description 385
- 238000000926 separation method Methods 0.000 claims description 170
- 238000011084 recovery Methods 0.000 claims description 167
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 128
- 239000005977 Ethylene Substances 0.000 claims description 128
- 238000003795 desorption Methods 0.000 claims description 82
- 239000007788 liquid Substances 0.000 claims description 72
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 62
- 238000010521 absorption reaction Methods 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000001704 evaporation Methods 0.000 claims description 43
- 230000008020 evaporation Effects 0.000 claims description 43
- 239000012071 phase Substances 0.000 claims description 42
- 238000007872 degassing Methods 0.000 claims description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 37
- 239000001301 oxygen Substances 0.000 claims description 37
- 229910052760 oxygen Inorganic materials 0.000 claims description 37
- 238000003786 synthesis reaction Methods 0.000 claims description 32
- 230000015572 biosynthetic process Effects 0.000 claims description 31
- 239000001569 carbon dioxide Substances 0.000 claims description 31
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 31
- 238000005406 washing Methods 0.000 claims description 29
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 229910001882 dioxygen Inorganic materials 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 26
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 25
- 239000012295 chemical reaction liquid Substances 0.000 claims description 22
- 239000012495 reaction gas Substances 0.000 claims description 17
- 238000010992 reflux Methods 0.000 claims description 13
- 238000005191 phase separation Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 11
- 238000000746 purification Methods 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 239000008346 aqueous phase Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 33
- 230000008569 process Effects 0.000 description 23
- 239000002994 raw material Substances 0.000 description 14
- 239000006096 absorbing agent Substances 0.000 description 7
- 238000004880 explosion Methods 0.000 description 7
- 239000011261 inert gas Substances 0.000 description 7
- 239000012670 alkaline solution Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- -1 aldehyde ester Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000005262 decarbonization Methods 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/12—Acetic acid esters
- C07C69/14—Acetic acid esters of monohydroxylic compounds
- C07C69/145—Acetic acid esters of monohydroxylic compounds of unsaturated alcohols
- C07C69/15—Vinyl acetate
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
- C07C67/05—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J7/00—Apparatus for generating gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125426.1 | 2020-10-20 | ||
| CN202011125426.1A CN112299989B (zh) | 2020-10-20 | 2020-10-20 | 醋酸乙烯生产工艺及装置 |
| PCT/CN2021/119873 WO2022083395A1 (zh) | 2020-10-20 | 2021-09-23 | 醋酸乙烯生产工艺及装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023531172A JP2023531172A (ja) | 2023-07-21 |
| JP2023531172A5 JP2023531172A5 (https=) | 2023-10-03 |
| JP7486848B2 true JP7486848B2 (ja) | 2024-05-20 |
Family
ID=74328040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022576528A Active JP7486848B2 (ja) | 2020-10-20 | 2021-09-23 | 酢酸ビニルの製造方法及び製造装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20230312456A1 (https=) |
| JP (1) | JP7486848B2 (https=) |
| CN (1) | CN112299989B (https=) |
| WO (1) | WO2022083395A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299989B (zh) * | 2020-10-20 | 2021-08-31 | 天津大学 | 醋酸乙烯生产工艺及装置 |
| CN113861026B (zh) * | 2021-10-29 | 2022-09-06 | 天津大学 | 一种乙炔法合成的醋酸乙烯及醋酸的精制方法 |
| CN116637567A (zh) * | 2022-02-15 | 2023-08-25 | 中国石油化工股份有限公司 | 一种醋酸乙烯节能生产系统 |
| CN115745794B (zh) * | 2022-11-16 | 2023-06-20 | 天津大学 | 乙烯法醋酸乙烯生产工艺及装置 |
| CN116924877A (zh) * | 2023-07-26 | 2023-10-24 | 天津大学 | 醋酸乙烯合成过程循环气精制工艺及装置 |
| CN119751195B (zh) * | 2025-03-10 | 2025-07-01 | 华东理工大学 | 一种含密封油的乙烯气体中的乙烯的回收方法和回收装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936198A (zh) | 2012-10-12 | 2013-02-20 | 天津大学 | 生产醋酸乙烯的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855280A (en) * | 1972-12-08 | 1974-12-17 | Celanese Corp | Process for producing an alkenyl alkanoate from an olefin and a carboxylic acid |
| JPH0611730B2 (ja) * | 1985-10-11 | 1994-02-16 | 日本合成化学工業株式会社 | 酢酸ビニル反応生成ガスの精製方法 |
| US20120149939A1 (en) * | 2010-12-10 | 2012-06-14 | Celanese International Corporation | Recovery of Acetic Acid from Heavy Ends in Vinyl Acetate Synthesis Process |
| CN112299989B (zh) * | 2020-10-20 | 2021-08-31 | 天津大学 | 醋酸乙烯生产工艺及装置 |
| CN112209830B (zh) * | 2020-10-20 | 2021-08-27 | 天津大学 | 醋酸乙烯酯的生产方法 |
-
2020
- 2020-10-20 CN CN202011125426.1A patent/CN112299989B/zh active Active
-
2021
- 2021-09-23 JP JP2022576528A patent/JP7486848B2/ja active Active
- 2021-09-23 US US18/023,293 patent/US20230312456A1/en not_active Abandoned
- 2021-09-23 WO PCT/CN2021/119873 patent/WO2022083395A1/zh not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936198A (zh) | 2012-10-12 | 2013-02-20 | 天津大学 | 生产醋酸乙烯的方法 |
Non-Patent Citations (1)
| Title |
|---|
| PETROTECH，1997年，第20巻第6号，p.502-507 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230312456A1 (en) | 2023-10-05 |
| JP2023531172A (ja) | 2023-07-21 |
| CN112299989B (zh) | 2021-08-31 |
| CN112299989A (zh) | 2021-02-02 |
| WO2022083395A1 (zh) | 2022-04-28 |
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