CN106831374A - 一种乙醛回收工艺以及乙醛精馏塔 - Google Patents
一种乙醛回收工艺以及乙醛精馏塔 Download PDFInfo
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- CN106831374A CN106831374A CN201710018919.7A CN201710018919A CN106831374A CN 106831374 A CN106831374 A CN 106831374A CN 201710018919 A CN201710018919 A CN 201710018919A CN 106831374 A CN106831374 A CN 106831374A
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- acetaldehyde
- distillation column
- ethanal distillation
- methyl isophthalic
- tower
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- 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
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- 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
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
- C07C29/103—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers
-
- 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
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
- C07C45/59—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in five-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710018919.7A CN106831374A (zh) | 2017-01-11 | 2017-01-11 | 一种乙醛回收工艺以及乙醛精馏塔 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710018919.7A CN106831374A (zh) | 2017-01-11 | 2017-01-11 | 一种乙醛回收工艺以及乙醛精馏塔 |
Publications (1)
Publication Number | Publication Date |
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CN106831374A true CN106831374A (zh) | 2017-06-13 |
Family
ID=59117269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710018919.7A Withdrawn CN106831374A (zh) | 2017-01-11 | 2017-01-11 | 一种乙醛回收工艺以及乙醛精馏塔 |
Country Status (1)
Country | Link |
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CN (1) | CN106831374A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109824481A (zh) * | 2019-02-22 | 2019-05-31 | 桐昆集团浙江恒盛化纤有限公司 | 一种乙醛系统提升产量的改造方法 |
CN110437052A (zh) * | 2019-08-01 | 2019-11-12 | 海南逸盛石化有限公司 | 从酯化废水中回收乙醛制备乙酸的系统及制备方法 |
CN112390713A (zh) * | 2020-11-20 | 2021-02-23 | 中国科学院青岛生物能源与过程研究所 | 一种乙醛回收方法 |
-
2017
- 2017-01-11 CN CN201710018919.7A patent/CN106831374A/zh not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109824481A (zh) * | 2019-02-22 | 2019-05-31 | 桐昆集团浙江恒盛化纤有限公司 | 一种乙醛系统提升产量的改造方法 |
CN109824481B (zh) * | 2019-02-22 | 2022-04-19 | 桐昆集团浙江恒盛化纤有限公司 | 一种乙醛系统提升产量的改造方法 |
CN110437052A (zh) * | 2019-08-01 | 2019-11-12 | 海南逸盛石化有限公司 | 从酯化废水中回收乙醛制备乙酸的系统及制备方法 |
CN112390713A (zh) * | 2020-11-20 | 2021-02-23 | 中国科学院青岛生物能源与过程研究所 | 一种乙醛回收方法 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20180606 Address after: 312000 nine, 0 Qiu, Binhai Industrial Zone, Keqiao District, Shaoxing, Zhejiang Applicant after: Shaoxing Keqiao red rabbit dragon import and Export Co., Ltd. Address before: 312000 Shaoxing Binhai Industrial Area, Zhejiang Province Applicant before: Shaoxing Huaqiang mechanical technology development Co., Ltd. |
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TA01 | Transfer of patent application right | ||
CB02 | Change of applicant information |
Address after: 312000 nine, 0 Qiu, Binhai Industrial Zone, Keqiao District, Shaoxing, Zhejiang Applicant after: Shaoxing red rabbit dragon Machinery Technology Co.,Ltd. Address before: 312000 nine, 0 Qiu, Binhai Industrial Zone, Keqiao District, Shaoxing, Zhejiang Applicant before: SHAOXING KEQIAO CHITULONG IMPORT AND EXPORT Co.,Ltd. |
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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170613 |
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WW01 | Invention patent application withdrawn after publication |