CN114096512B - 提纯苯胺的方法 - Google Patents
提纯苯胺的方法 Download PDFInfo
- Publication number
- CN114096512B CN114096512B CN202080048429.1A CN202080048429A CN114096512B CN 114096512 B CN114096512 B CN 114096512B CN 202080048429 A CN202080048429 A CN 202080048429A CN 114096512 B CN114096512 B CN 114096512B
- Authority
- CN
- China
- Prior art keywords
- aniline
- stream
- phase
- mass
- boiling point
- 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
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 (2)
| Publication Number | Publication Date |
|---|---|
| CN114096512A CN114096512A (zh) | 2022-02-25 |
| CN114096512B true CN114096512B (zh) | 2024-10-11 |
Family
ID=71138770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080048429.1A Active CN114096512B (zh) | 2019-07-03 | 2020-07-01 | 提纯苯胺的方法 |
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08295654A (ja) * | 1995-04-27 | 1996-11-12 | Sumitomo Chem Co Ltd | アニリンの精製方法 |
| CN101024615A (zh) * | 2006-02-18 | 2007-08-29 | 拜尔材料科学股份公司 | 制备苯胺的方法 |
Family Cites Families (17)
| 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 |
| 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 |
| 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 |
| KR102328033B1 (ko) * | 2016-03-01 | 2021-11-17 | 니폰 제온 가부시키가이샤 | 모노에테르화체를 포함하는 용액 조성물의 제조 방법, 용액 조성물, 및 중합성 화합물의 제조 방법 |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08295654A (ja) * | 1995-04-27 | 1996-11-12 | Sumitomo Chem Co Ltd | アニリンの精製方法 |
| CN101024615A (zh) * | 2006-02-18 | 2007-08-29 | 拜尔材料科学股份公司 | 制备苯胺的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3994121B1 (de) | 2024-06-12 |
| SA522431314B1 (ar) | 2025-05-07 |
| EP3994121A1 (de) | 2022-05-11 |
| JP7663521B2 (ja) | 2025-04-16 |
| 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 |
| KR102928055B1 (ko) | 2026-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240402 Address after: Leverkusen, Germany Applicant after: COVESTRO DEUTSCHLAND AG Country or region after: Germany Address before: Leverkusen, Germany Applicant before: Kesi Intellectual Property Co.,Ltd. Country or region before: Germany Applicant before: COVESTRO DEUTSCHLAND AG |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |