JP7663521B2 - アニリンの精製方法 - Google Patents
アニリンの精製方法 Download PDFInfo
- Publication number
- JP7663521B2 JP7663521B2 JP2021578132A JP2021578132A JP7663521B2 JP 7663521 B2 JP7663521 B2 JP 7663521B2 JP 2021578132 A JP2021578132 A JP 2021578132A JP 2021578132 A JP2021578132 A JP 2021578132A JP 7663521 B2 JP7663521 B2 JP 7663521B2
- Authority
- JP
- Japan
- Prior art keywords
- aniline
- stream
- phase
- alkali metal
- organic
- 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.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
- C07C211/45—Monoamines
- C07C211/46—Aniline
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19184067 | 2019-07-03 | ||
| EP19184067.7 | 2019-07-03 | ||
| EP20180092 | 2020-06-15 | ||
| EP20180092.7 | 2020-06-15 | ||
| PCT/EP2020/068525 WO2021001424A1 (de) | 2019-07-03 | 2020-07-01 | Verfahren zur reinigung von anilin |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022538663A JP2022538663A (ja) | 2022-09-05 |
| JP2022538663A5 JP2022538663A5 (https=) | 2023-07-11 |
| JP7663521B2 true JP7663521B2 (ja) | 2025-04-16 |
Family
ID=71138770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021578132A Active JP7663521B2 (ja) | 2019-07-03 | 2020-07-01 | アニリンの精製方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US20220348533A1 (https=) |
| EP (1) | EP3994121B1 (https=) |
| JP (1) | JP7663521B2 (https=) |
| KR (1) | KR102928055B1 (https=) |
| CN (1) | CN114096512B (https=) |
| HU (1) | HUE066959T2 (https=) |
| SA (1) | SA522431314B1 (https=) |
| WO (1) | WO2021001424A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923748A (zh) * | 2022-04-28 | 2022-08-19 | 中国水利水电科学研究院 | 一种含石油类化合物水样的前处理方法和检测方法 |
| WO2025244748A1 (en) | 2024-05-23 | 2025-11-27 | Covestro Llc | Method for recovering o-aminophenol |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017150622A1 (ja) | 2016-03-01 | 2017-09-08 | 日本ゼオン株式会社 | モノエーテル化体を含む溶液組成物の製造方法、溶液組成物、及び重合性化合物の製造方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3682782A (en) | 1968-07-11 | 1972-08-08 | Halcon International Inc | Reduced pressure distillation process for recovering aniline from phenolaniline mixtures |
| JPS4935341A (https=) | 1972-07-31 | 1974-04-01 | ||
| US4440954A (en) * | 1980-06-05 | 1984-04-03 | Mallinckrodt, Inc. | Process for the purification of p-aminophenol |
| US4420642A (en) * | 1982-02-18 | 1983-12-13 | Fmc Corporation | Selective removal and recovery of catechol mixed with 2-methallyloxyphenol |
| DE4428018A1 (de) | 1994-08-08 | 1996-02-15 | Bayer Ag | Verfahren zur Herstellung von aromatischen Aminen |
| DE4428017A1 (de) | 1994-08-08 | 1996-02-15 | Bayer Ag | Verfahren zur Herstellung von aromatischen Aminen |
| JP3804082B2 (ja) | 1995-04-27 | 2006-08-02 | 住友化学株式会社 | アニリンの精製方法 |
| US7049471B2 (en) | 2003-10-10 | 2006-05-23 | E. I. Du Pont De Nemours And Company | Separation of amine from a phenolic compound |
| DE102004026626A1 (de) | 2004-06-01 | 2005-12-29 | Bayer Materialscience Ag | Verfahren zur destillativen Trennung von wässrigen Aminlösungen |
| JP2005350388A (ja) | 2004-06-10 | 2005-12-22 | Sumitomo Chemical Co Ltd | アニリンの製造方法 |
| JP4552941B2 (ja) | 2006-01-17 | 2010-09-29 | 住友化学株式会社 | アニリンの精製方法および製造方法 |
| DE102006007620A1 (de) | 2006-02-18 | 2007-08-23 | Bayer Materialscience Ag | Verfahren zur Herstellung von Anilin |
| DE102006007619A1 (de) | 2006-02-18 | 2007-08-23 | Bayer Materialscience Ag | Verfahren zur Herstellung von Anilin |
| DE102006035203A1 (de) | 2006-07-29 | 2008-01-31 | Bayer Materialscience Ag | Verfahren zur Herstellung von aromatischen Aminen |
| DE102007039091A1 (de) | 2007-08-18 | 2009-02-19 | Bayer Materialscience Ag | Verfahren zur Reinigung von aromatischen Aminen |
| DE102009025374A1 (de) * | 2009-06-18 | 2010-12-23 | Bayer Materialscience Ag | Verfahren zur Herstellung von aromatischen Aminen |
| EP2641892A1 (de) * | 2012-03-23 | 2013-09-25 | Bayer MaterialScience AG | Verfahren zur Reinigung von Anilin aus Gasphasenhydrierungen |
| HUE056733T2 (hu) * | 2018-10-17 | 2022-03-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás anilin tisztítására |
-
2020
- 2020-07-01 WO PCT/EP2020/068525 patent/WO2021001424A1/de not_active Ceased
- 2020-07-01 US US17/620,900 patent/US20220348533A1/en not_active Abandoned
- 2020-07-01 CN CN202080048429.1A patent/CN114096512B/zh active Active
- 2020-07-01 HU HUE20734584A patent/HUE066959T2/hu unknown
- 2020-07-01 KR KR1020217043059A patent/KR102928055B1/ko active Active
- 2020-07-01 JP JP2021578132A patent/JP7663521B2/ja active Active
- 2020-07-01 EP EP20734584.4A patent/EP3994121B1/de active Active
-
2022
- 2022-01-03 SA SA522431314A patent/SA522431314B1/ar unknown
-
2025
- 2025-03-17 US US19/081,121 patent/US20250206694A1/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017150622A1 (ja) | 2016-03-01 | 2017-09-08 | 日本ゼオン株式会社 | モノエーテル化体を含む溶液組成物の製造方法、溶液組成物、及び重合性化合物の製造方法 |
Non-Patent Citations (1)
| Title |
|---|
| 磯部稔 ほか,フィーザー/ウィリアムソン 有機化学実験 原書8版,第5刷,2005年,第101頁-第109頁 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3994121B1 (de) | 2024-06-12 |
| SA522431314B1 (ar) | 2025-05-07 |
| EP3994121A1 (de) | 2022-05-11 |
| CN114096512A (zh) | 2022-02-25 |
| KR20220032014A (ko) | 2022-03-15 |
| WO2021001424A1 (de) | 2021-01-07 |
| US20220348533A1 (en) | 2022-11-03 |
| HUE066959T2 (hu) | 2024-09-28 |
| US20250206694A1 (en) | 2025-06-26 |
| JP2022538663A (ja) | 2022-09-05 |
| CN114096512B (zh) | 2024-10-11 |
| KR102928055B1 (ko) | 2026-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5204413B2 (ja) | アニリンの製造方法 | |
| US7692042B2 (en) | Process for preparing aniline | |
| US20250206694A1 (en) | Method for the purification of aniline | |
| US9260377B2 (en) | Method for producing nitrobenzene by adiabatic nitriding | |
| US9284255B2 (en) | Method for producing nitrobenzene by adiabatic nitriding | |
| EP3406587A1 (en) | Recovery method for (meth)acrylic acid | |
| JP2013535478A (ja) | ニトロベンゼンの連続製造方法 | |
| JP2011001364A (ja) | 芳香族アミンの製造方法 | |
| CN101395124B (zh) | 由用硝化酸硝化甲苯制备二硝基甲苯得到的工艺废水蒸馏分离二硝基甲苯的方法 | |
| US9771291B2 (en) | Process for working up waste water from nitrobenzene preparation | |
| JP6062527B2 (ja) | 気相水素化からのアニリンの精製方法 | |
| KR102176381B1 (ko) | 니트로벤젠 제조로부터의 폐수의 후처리 방법 | |
| US9233910B2 (en) | Process for purifying aniline from gas phase hydrogenations | |
| US9133094B2 (en) | Apparatus and process for nitration selectivity flexibility enabled by azeotropic distillation | |
| US20130245340A1 (en) | Apparatus and Process for Using a Nitroalkane as an Entrainer for Azeotropic Removal of Water from Aqueous Acid Solution | |
| JP2004002346A (ja) | フェノールの精製方法 | |
| HK1106496A (en) | Process for preparing aniline | |
| HK1129220A (en) | Process for the purification of aromatic amines | |
| HK1106490A (en) | Process for the production of di- and polyamines of the diphenylmethane series |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230703 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230703 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20240319 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20240401 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240925 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20241008 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20241225 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20250401 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20250404 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7663521 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |