JP7663521B2 - アニリンの精製方法 - Google Patents

アニリンの精製方法 Download PDF

Info

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
Application number
JP2021578132A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022538663A5 (https=
JP2022538663A (ja
Inventor
フリートヘルム シュテッフェンス
ジョナス クラウス
デニス チャン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Covestro Deutschland AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Covestro Deutschland AG filed Critical Covestro Deutschland AG
Publication of JP2022538663A publication Critical patent/JP2022538663A/ja
Publication of JP2022538663A5 publication Critical patent/JP2022538663A5/ja
Application granted granted Critical
Publication of JP7663521B2 publication Critical patent/JP7663521B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32Preparation 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
    • C07C209/36Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82Purification; Separation; Stabilisation; Use of additives
    • C07C209/84Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44Compounds 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
    • C07C211/45Monoamines
    • C07C211/46Aniline

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2021578132A 2019-07-03 2020-07-01 アニリンの精製方法 Active JP7663521B2 (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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