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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- 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
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- 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
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- 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
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- 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
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- 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
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011434293.6A CN112409181B (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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| CN202011434293.6A CN112409181B (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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| CN112409181A true CN112409181A (zh) | 2021-02-26 |
| CN112409181B CN112409181B (zh) | 2025-07-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115745795A (zh) * | 2022-11-07 | 2023-03-07 | 高化学(陕西)管理有限公司 | 一种草酸二甲酯经脱羰基反应制碳酸二甲酯的方法及装置 |
| 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 |
| CN116606210A (zh) * | 2023-03-30 | 2023-08-18 | 新疆中昆新材料有限公司 | 一种合成气制乙二醇过程中草酸二甲酯品质提升工艺 |
| CN118681254A (zh) * | 2024-05-06 | 2024-09-24 | 中国石油天然气集团有限公司 | 一种高纯度碳酸二苯酯分离装置、分离方法和系统 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105272857A (zh) * | 2014-07-03 | 2016-01-27 | 中国石油化工股份有限公司 | 煤基合成气为原料合成草酸二甲酯过程中分离低浓度碳酸二甲酯的方法 |
| CN106518675A (zh) * | 2015-09-15 | 2017-03-22 | 中国石油化工股份有限公司 | 生产草酸二甲酯并副产碳酸二甲酯的方法 |
| CN108299204A (zh) * | 2018-04-10 | 2018-07-20 | 安阳永金化工有限公司 | 煤制乙二醇残液中碳酸二甲酯的分离方法及装置 |
| CN214032309U (zh) * | 2020-12-10 | 2021-08-24 | 新疆天业汇合新材料有限公司 | 一种煤化工草酸二甲酯精馏装置 |
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- 2020-12-10 CN CN202011434293.6A patent/CN112409181B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105272857A (zh) * | 2014-07-03 | 2016-01-27 | 中国石油化工股份有限公司 | 煤基合成气为原料合成草酸二甲酯过程中分离低浓度碳酸二甲酯的方法 |
| CN106518675A (zh) * | 2015-09-15 | 2017-03-22 | 中国石油化工股份有限公司 | 生产草酸二甲酯并副产碳酸二甲酯的方法 |
| CN108299204A (zh) * | 2018-04-10 | 2018-07-20 | 安阳永金化工有限公司 | 煤制乙二醇残液中碳酸二甲酯的分离方法及装置 |
| CN214032309U (zh) * | 2020-12-10 | 2021-08-24 | 新疆天业汇合新材料有限公司 | 一种煤化工草酸二甲酯精馏装置 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115745795A (zh) * | 2022-11-07 | 2023-03-07 | 高化学(陕西)管理有限公司 | 一种草酸二甲酯经脱羰基反应制碳酸二甲酯的方法及装置 |
| CN116606210A (zh) * | 2023-03-30 | 2023-08-18 | 新疆中昆新材料有限公司 | 一种合成气制乙二醇过程中草酸二甲酯品质提升工艺 |
| 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 |
| CN118681254A (zh) * | 2024-05-06 | 2024-09-24 | 中国石油天然气集团有限公司 | 一种高纯度碳酸二苯酯分离装置、分离方法和系统 |
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| CN112409181B (zh) | 2025-07-04 |
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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 |
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