CN112409181A - 一种煤化工草酸二甲酯精馏装置 - Google Patents
一种煤化工草酸二甲酯精馏装置 Download PDFInfo
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- CN112409181A CN112409181A CN202011434293.6A CN202011434293A CN112409181A CN 112409181 A CN112409181 A CN 112409181A CN 202011434293 A CN202011434293 A CN 202011434293A CN 112409181 A CN112409181 A CN 112409181A
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- CN
- China
- Prior art keywords
- tower
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- dimethyl
- dimethyl carbonate
- dimethyl oxalate
- 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 173
- 239000003245 coal Substances 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 title claims abstract description 14
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims abstract description 136
- 238000010992 reflux Methods 0.000 claims abstract description 81
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 239000012071 phase Substances 0.000 claims description 44
- 238000000926 separation method Methods 0.000 claims description 21
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 14
- 239000007791 liquid phase Substances 0.000 claims description 13
- 238000005065 mining Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 3
- 238000005215 recombination Methods 0.000 claims description 3
- 230000006798 recombination Effects 0.000 claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 30
- 238000009835 boiling Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 31
- 238000000034 method Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 6
- 230000006315 carbonylation Effects 0.000 description 5
- 238000005810 carbonylation reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- LOMVENUNSWAXEN-NUQCWPJISA-N dimethyl oxalate Chemical group CO[14C](=O)[14C](=O)OC LOMVENUNSWAXEN-NUQCWPJISA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002904 solvent 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
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- 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
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C68/00—Preparation of esters of carbonic or haloformic acids
- C07C68/08—Purification; Separation; Stabilisation
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011434293.6A CN112409181A (zh) | 2020-12-10 | 2020-12-10 | 一种煤化工草酸二甲酯精馏装置 |
Applications Claiming Priority (1)
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CN202011434293.6A CN112409181A (zh) | 2020-12-10 | 2020-12-10 | 一种煤化工草酸二甲酯精馏装置 |
Publications (1)
Publication Number | Publication Date |
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CN112409181A true CN112409181A (zh) | 2021-02-26 |
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Family Applications (1)
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CN202011434293.6A Pending CN112409181A (zh) | 2020-12-10 | 2020-12-10 | 一种煤化工草酸二甲酯精馏装置 |
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CN (1) | CN112409181A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116531789A (zh) * | 2023-07-06 | 2023-08-04 | 山东海科新源材料科技股份有限公司 | 一种碳酸二甲酯的提纯装置及方法 |
-
2020
- 2020-12-10 CN CN202011434293.6A patent/CN112409181A/zh active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116531789A (zh) * | 2023-07-06 | 2023-08-04 | 山东海科新源材料科技股份有限公司 | 一种碳酸二甲酯的提纯装置及方法 |
CN116531789B (zh) * | 2023-07-06 | 2023-09-19 | 山东海科新源材料科技股份有限公司 | 一种碳酸二甲酯的提纯方法 |
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Inventor after: Li Gang Inventor after: Li Zibing Inventor after: Xu Dakui Inventor after: Qiang Junfei Inventor after: Zhang Li Inventor after: Tang Hongjian Inventor after: Tang Fuxing Inventor after: Wei Dong Inventor after: Fu Junzhi Inventor after: Wang Shuo Inventor after: Liu Wuhai Inventor after: Zhang Zengli Inventor before: Song Xiaoling Inventor before: Zhang Zengli Inventor before: Li Zibing Inventor before: Xu Dakui Inventor before: Qiang Junfei Inventor before: Zhang Li Inventor before: Li Gang Inventor before: Tang Hongjian Inventor before: Tang Fuxing Inventor before: Wei Dong Inventor before: Fu Junzhi Inventor before: Wang Shuo Inventor before: Liu Wuhai |