RU2692099C2 - Способ получения диметилоксалата - Google Patents
Способ получения диметилоксалата Download PDFInfo
- Publication number
- RU2692099C2 RU2692099C2 RU2015126664A RU2015126664A RU2692099C2 RU 2692099 C2 RU2692099 C2 RU 2692099C2 RU 2015126664 A RU2015126664 A RU 2015126664A RU 2015126664 A RU2015126664 A RU 2015126664A RU 2692099 C2 RU2692099 C2 RU 2692099C2
- Authority
- RU
- Russia
- Prior art keywords
- column
- dimethyl oxalate
- dimethyl
- methanol
- stream containing
- Prior art date
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- LOMVENUNSWAXEN-UHFFFAOYSA-N Methyl oxalate Chemical compound COC(=O)C(=O)OC LOMVENUNSWAXEN-UHFFFAOYSA-N 0.000 title claims abstract description 265
- 238000004519 manufacturing process Methods 0.000 title description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 333
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000000605 extraction Methods 0.000 claims abstract description 55
- 238000010521 absorption reaction Methods 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- BLLFVUPNHCTMSV-UHFFFAOYSA-N methyl nitrite Chemical compound CON=O BLLFVUPNHCTMSV-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000047 product Substances 0.000 claims abstract description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 29
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000006227 byproduct Substances 0.000 claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 150000002148 esters Chemical class 0.000 claims description 69
- 238000011084 recovery Methods 0.000 claims description 66
- 239000012071 phase Substances 0.000 claims description 56
- 239000003795 chemical substances by application Substances 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 29
- 238000000746 purification Methods 0.000 claims description 28
- 238000004821 distillation Methods 0.000 claims description 25
- 239000000945 filler Substances 0.000 claims description 20
- 239000007791 liquid phase Substances 0.000 claims description 15
- 238000010992 reflux Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 21
- 238000005859 coupling reaction Methods 0.000 description 14
- 239000002994 raw material Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- 239000007795 chemical reaction product Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 9
- 229960003753 nitric oxide Drugs 0.000 description 9
- 230000032050 esterification Effects 0.000 description 8
- 238000005886 esterification reaction Methods 0.000 description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005406 washing Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 4
- 238000000895 extractive distillation Methods 0.000 description 4
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 4
- 239000013066 combination product Substances 0.000 description 3
- 229940127555 combination product Drugs 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- LRMHVVPPGGOAJQ-UHFFFAOYSA-N methyl nitrate Chemical compound CO[N+]([O-])=O LRMHVVPPGGOAJQ-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- QQZWEECEMNQSTG-UHFFFAOYSA-N Ethyl nitrite Chemical compound CCON=O QQZWEECEMNQSTG-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 nitrogen Chemical compound 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000003901 oxalic acid esters Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/36—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates
-
- 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
-
- 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
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314462.0A CN105330542A (zh) | 2014-07-03 | 2014-07-03 | 草酸二甲酯的生产方法 |
| CN201410314462.0 | 2014-07-03 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2015126664A RU2015126664A (ru) | 2017-01-12 |
| RU2015126664A3 RU2015126664A3 (pt) | 2019-01-31 |
| RU2692099C2 true RU2692099C2 (ru) | 2019-06-21 |
Family
ID=55027883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2015126664A RU2692099C2 (ru) | 2014-07-03 | 2015-07-03 | Способ получения диметилоксалата |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN105330542A (pt) |
| AU (1) | AU2015203732B2 (pt) |
| BR (1) | BR102015016125B8 (pt) |
| CA (1) | CA2896290C (pt) |
| RU (1) | RU2692099C2 (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954830A (zh) * | 2016-10-17 | 2018-04-24 | 上海浦景化工技术股份有限公司 | 一种降低草酸二甲酯加氢制乙二醇中产物分离能耗的方法 |
| CN106693431A (zh) * | 2017-03-17 | 2017-05-24 | 河南中托力合化学有限公司 | 新型庚烷精密分馏装置 |
| CN107362563A (zh) * | 2017-08-22 | 2017-11-21 | 南通泰利达化工有限公司 | 一种硝化棉的乙醇蒸馏工艺及装置 |
| CN109096049A (zh) * | 2018-07-03 | 2018-12-28 | 沈阳化工大学 | 一种酯化反应消除二甲酯中草酸并得到聚酯级乙二醇的方法 |
| CN111454151B (zh) * | 2020-04-26 | 2023-04-14 | 宁波中科远东催化工程技术有限公司 | 一种草酸二甲酯汽化的方法 |
| CN112174821B (zh) * | 2020-09-04 | 2023-08-18 | 中盐安徽红四方股份有限公司 | 草酸二甲酯的精馏方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU831070A3 (ru) * | 1977-04-07 | 1981-05-15 | Снампрогетти С.П.А. (Фирма) | Способ получени сложных эфировщАВЕлЕВОй КиСлОТы |
| US5534648A (en) * | 1993-11-30 | 1996-07-09 | Ube Industries, Ltd. | Process for continuously producing dimethyl carbonate |
| CN102911046A (zh) * | 2011-08-02 | 2013-02-06 | 中国石油化工股份有限公司 | Co偶联合成草酸二甲酯的过程中草酸二甲酯的提纯方法 |
| CN202968431U (zh) * | 2012-11-01 | 2013-06-05 | 安徽淮化股份有限公司 | 一种乙二醇工业生产分离中间产物草酸二甲酯和甲醇的复合塔器 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103483150B (zh) * | 2013-08-31 | 2016-02-17 | 安徽淮化股份有限公司 | 一种以煤为原料生产合成乙二醇的方法和装置 |
-
2014
- 2014-07-03 CN CN201410314462.0A patent/CN105330542A/zh active Pending
-
2015
- 2015-07-03 CA CA2896290A patent/CA2896290C/en active Active
- 2015-07-03 RU RU2015126664A patent/RU2692099C2/ru active
- 2015-07-03 AU AU2015203732A patent/AU2015203732B2/en active Active
- 2015-07-03 BR BR102015016125A patent/BR102015016125B8/pt active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU831070A3 (ru) * | 1977-04-07 | 1981-05-15 | Снампрогетти С.П.А. (Фирма) | Способ получени сложных эфировщАВЕлЕВОй КиСлОТы |
| US5534648A (en) * | 1993-11-30 | 1996-07-09 | Ube Industries, Ltd. | Process for continuously producing dimethyl carbonate |
| CN102911046A (zh) * | 2011-08-02 | 2013-02-06 | 中国石油化工股份有限公司 | Co偶联合成草酸二甲酯的过程中草酸二甲酯的提纯方法 |
| CN202968431U (zh) * | 2012-11-01 | 2013-06-05 | 安徽淮化股份有限公司 | 一种乙二醇工业生产分离中间产物草酸二甲酯和甲醇的复合塔器 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2896290A1 (en) | 2016-01-03 |
| BR102015016125A2 (pt) | 2018-06-12 |
| RU2015126664A3 (pt) | 2019-01-31 |
| CA2896290C (en) | 2022-08-16 |
| BR102015016125B8 (pt) | 2021-05-18 |
| BR102015016125B1 (pt) | 2020-12-08 |
| CN105330542A (zh) | 2016-02-17 |
| RU2015126664A (ru) | 2017-01-12 |
| AU2015203732A1 (en) | 2016-01-21 |
| AU2015203732B2 (en) | 2019-04-04 |
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