CN103819331A - 一种甲基丙烯酸的脱色和提纯方法 - Google Patents
一种甲基丙烯酸的脱色和提纯方法 Download PDFInfo
- Publication number
- CN103819331A CN103819331A CN201410071065.5A CN201410071065A CN103819331A CN 103819331 A CN103819331 A CN 103819331A CN 201410071065 A CN201410071065 A CN 201410071065A CN 103819331 A CN103819331 A CN 103819331A
- Authority
- CN
- China
- Prior art keywords
- methacrylic acid
- purification
- decolouring
- discoloring agent
- add
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410071065.5A CN103819331B (zh) | 2014-02-28 | 2014-02-28 | 一种甲基丙烯酸的脱色和提纯方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410071065.5A CN103819331B (zh) | 2014-02-28 | 2014-02-28 | 一种甲基丙烯酸的脱色和提纯方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103819331A true CN103819331A (zh) | 2014-05-28 |
CN103819331B CN103819331B (zh) | 2015-08-05 |
Family
ID=50754668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410071065.5A Active CN103819331B (zh) | 2014-02-28 | 2014-02-28 | 一种甲基丙烯酸的脱色和提纯方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103819331B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118170104A (zh) * | 2024-04-02 | 2024-06-11 | 太和气体(荆州)有限公司 | 一种基于数据分析的丙烯生产控制系统及其优化方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3725208A (en) * | 1971-08-20 | 1973-04-03 | Nippon Kayaku Kk | Process for purification of acrylic acid from aldehydes by distillation with a reagent |
US3893895A (en) * | 1972-07-19 | 1975-07-08 | Degussa | Distillation of 1,2-unsaturated carboxylic acids in solution with selected amines |
CN1127746A (zh) * | 1994-11-04 | 1996-07-31 | 三井东压化学株式会社 | 精制甲基丙烯酸的方法 |
CN1149573A (zh) * | 1995-10-27 | 1997-05-14 | 罗姆和哈斯公司 | 纯品位丙烯酸的生产方法 |
CN101786951A (zh) * | 2010-01-29 | 2010-07-28 | 上海华谊丙烯酸有限公司 | 一种粗丙烯酸提纯的方法和设备 |
-
2014
- 2014-02-28 CN CN201410071065.5A patent/CN103819331B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3725208A (en) * | 1971-08-20 | 1973-04-03 | Nippon Kayaku Kk | Process for purification of acrylic acid from aldehydes by distillation with a reagent |
US3893895A (en) * | 1972-07-19 | 1975-07-08 | Degussa | Distillation of 1,2-unsaturated carboxylic acids in solution with selected amines |
CN1127746A (zh) * | 1994-11-04 | 1996-07-31 | 三井东压化学株式会社 | 精制甲基丙烯酸的方法 |
CN1149573A (zh) * | 1995-10-27 | 1997-05-14 | 罗姆和哈斯公司 | 纯品位丙烯酸的生产方法 |
CN101786951A (zh) * | 2010-01-29 | 2010-07-28 | 上海华谊丙烯酸有限公司 | 一种粗丙烯酸提纯的方法和设备 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118170104A (zh) * | 2024-04-02 | 2024-06-11 | 太和气体(荆州)有限公司 | 一种基于数据分析的丙烯生产控制系统及其优化方法 |
Also Published As
Publication number | Publication date |
---|---|
CN103819331B (zh) | 2015-08-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11667597B2 (en) | Method for linkage recovery of organic acid in aqueous organic acid solution | |
CN102267889A (zh) | 一种采用萃取与共沸精馏相结合的稀醋酸回收方法 | |
CN104529703B (zh) | 低碳混合醇分离系统和分离方法 | |
JP6207503B2 (ja) | 酢酸の回収方法 | |
CN110372512B (zh) | 一种碳酸二甲酯的分离提纯工艺 | |
CN107445817B (zh) | 一种用离子液体萃取精馏分离丙酮和甲醇的方法 | |
CN106588599A (zh) | 聚甲醛二甲基醚的纯制方法 | |
CN101941928B (zh) | 一种巯基烷基醇合成方法 | |
CN101121709B (zh) | 三聚甲醛合成后的初步提浓、净化的方法 | |
CN104876788A (zh) | 一种基于氯化胆碱/尿素低共融溶剂的苯—丙醇共沸物连续萃取精馏工艺 | |
CN104119225A (zh) | 一种以混合离子液体为催化剂的反应精馏生产乙酸乙酯新工艺 | |
CN103819331B (zh) | 一种甲基丙烯酸的脱色和提纯方法 | |
US8952201B2 (en) | Separation method of acetophenone and A-methylbenzyl alcohol | |
CN103772328B (zh) | 一种从糠醛汽提蒸汽冷凝液中回收糠醛的方法 | |
CN102952004B (zh) | 连续共沸精馏法分离乙二醇单甲醚和水的工艺方法 | |
CN108129315A (zh) | 一种从含有羧酸酯的物流中脱除甲醛和甲醇的方法及应用 | |
CN106518618A (zh) | 一种混合溶剂连续萃取精馏分离异丙醇—异丙醚共沸物的方法 | |
CN103772185A (zh) | 一种醋酸中水分及杂酸脱除的装置及方法 | |
CN103304398B (zh) | 一种羧酸水溶液的提纯方法 | |
CN104829426A (zh) | 一种基于氯化胆碱/尿素低共融溶剂的异丙醚—异丙醇共沸物连续萃取精馏工艺 | |
CN103214439B (zh) | 一种分离提纯糠醛的方法 | |
CN105523982A (zh) | 一种叔丁基过氧化氢的制备方法 | |
CN103772325A (zh) | 一种1,2-环氧丁烷分离提纯的新方法 | |
CN103183610B (zh) | 一种从低纯度乙酸甲酯制取高纯度乙酸甲酯的方法 | |
CN107434761B (zh) | 一种中、低温煤焦油间对甲酚产品脱除邻乙基酚的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Methacrylic acid decoloration and purification method Effective date of registration: 20170615 Granted publication date: 20150805 Pledgee: Heze rural commercial bank Limited by Share Ltd Pledgor: Shandong Yidali Chemical Co., Ltd. Registration number: 2017990000489 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180727 Granted publication date: 20150805 Pledgee: Heze rural commercial bank Limited by Share Ltd Pledgor: Shandong Yidali Chemical Co., Ltd. Registration number: 2017990000489 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180929 Address after: 274000 Shandong province Heze Development Zone Haihe road to the North Patentee after: Heze HOLLEY New Material Co Ltd Address before: 274000 Haihe Road, Heze Development Zone, Shandong Province Patentee before: Shandong Yidali Chemical Co., Ltd. |
|
TR01 | Transfer of patent right | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140528 Assignee: Zibo Qixian Tengda Chemical Co., Ltd. Assignor: Heze HOLLEY New Material Co Ltd Contract record no.: 2018370000065 Denomination of invention: Methacrylic acid decoloration and purification method Granted publication date: 20150805 License type: Exclusive License Record date: 20181214 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
CP03 | Change of name, title or address |
Address after: No. 333, Haihe Road, Heze Development Zone, 274000 Shandong Province Patentee after: Qixiang Huali New Material Co., Ltd Address before: 274000 Shandong province Heze Development Zone Haihe road to the North Patentee before: HEZE HUALI NEW MATERIAL Co.,Ltd. |
|
CP03 | Change of name, title or address |