ES2139123T3 - Procedimiento para la fabricacion de aminas aromaticas. - Google Patents

Procedimiento para la fabricacion de aminas aromaticas.

Info

Publication number
ES2139123T3
ES2139123T3 ES95111998T ES95111998T ES2139123T3 ES 2139123 T3 ES2139123 T3 ES 2139123T3 ES 95111998 T ES95111998 T ES 95111998T ES 95111998 T ES95111998 T ES 95111998T ES 2139123 T3 ES2139123 T3 ES 2139123T3
Authority
ES
Spain
Prior art keywords
aromatic amines
procedure
manufacture
catalysts
nitroaromated
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.)
Expired - Lifetime
Application number
ES95111998T
Other languages
English (en)
Inventor
Reinhard Dr Langer
Hans-Josef Dr Buysch
Ursula Dr Pentling
Paul Dr Wagner
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2139123T3 publication Critical patent/ES2139123T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

LAS AMINAS AROMATICAS SE ELABORAN MEDIANTE LA HIDRATACION DE LOS CORRESPONDIENTES NITROAROMADOS EN FASE GASEOSA EN CATALIZADORES FIJOS EN EL LUGAR. LOS CATALIZADORES CONTIENEN METAL ACTIVO DE HIDROGENACION SOBRE PORTADORES. LA REACCION SE REALIZA EN UNA PRESION DE 1-30 BAR, UNA TEMPERATURA DE ENTRADA DE 200-400 JO CONDICIONES ADIABATICAS.
ES95111998T 1994-08-08 1995-07-31 Procedimiento para la fabricacion de aminas aromaticas. Expired - Lifetime ES2139123T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4428018A DE4428018A1 (de) 1994-08-08 1994-08-08 Verfahren zur Herstellung von aromatischen Aminen

Publications (1)

Publication Number Publication Date
ES2139123T3 true ES2139123T3 (es) 2000-02-01

Family

ID=6525177

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95111998T Expired - Lifetime ES2139123T3 (es) 1994-08-08 1995-07-31 Procedimiento para la fabricacion de aminas aromaticas.

Country Status (8)

Country Link
US (1) US5877350A (es)
EP (1) EP0696574B1 (es)
JP (1) JP3889823B2 (es)
CN (1) CN1077564C (es)
CA (1) CA2155565A1 (es)
CZ (1) CZ288090B6 (es)
DE (2) DE4428018A1 (es)
ES (1) ES2139123T3 (es)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741877B1 (fr) * 1995-12-01 1998-02-13 Rhone Poulenc Chimie Procede d'hydrogenation de composes nitres aromatiques
DE19715746A1 (de) * 1997-04-16 1998-10-22 Bayer Ag Herstellung von aromatischen Aminen mittels neuer Hydrierkatalysatoren
CN1087970C (zh) * 1997-08-06 2002-07-24 湖南化工研究院 合成2,6-二甲基苯胺的催化剂的制备及应用方法
CN1080593C (zh) * 1998-08-06 2002-03-13 南京四力化工有限公司 流化床气相催化加氢催化剂无氮再生活化新方法
US6005143A (en) * 1998-08-07 1999-12-21 Air Products And Chemicals, Inc. Use of a monolith catalyst for the hydrogenation of dinitrotoluene to toluenediamine
US6936568B2 (en) * 2002-06-12 2005-08-30 Sud-Chemie Inc. Selective hydrogenation catalyst
DE10347439A1 (de) * 2003-10-13 2005-05-04 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen durch heterogen katalysierte Hydrierung
JP4759938B2 (ja) * 2004-06-10 2011-08-31 住友化学株式会社 アニリンの製造方法
DE102006007619A1 (de) * 2006-02-18 2007-08-23 Bayer Materialscience Ag Verfahren zur Herstellung von Anilin
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
US8895791B2 (en) * 2006-07-31 2014-11-25 Basf Se Method of regenerating ruthenium catalysts suitable for hydrogenation
DE102006052989A1 (de) * 2006-11-10 2008-05-15 Bayer Materialscience Ag Verfahren zur Entfernung von Verbindungen mit phenolischen Hydroxygruppen aus aromatischen Aminen
US7906013B2 (en) * 2006-12-29 2011-03-15 Uop Llc Hydrocarbon conversion process
CN101045213B (zh) * 2007-04-30 2010-05-19 陕西师范大学 固载离子液体-纳米金属粒子催化剂及其制备和在芳胺合成中的应用
US20090005619A1 (en) * 2007-06-27 2009-01-01 H R D Corporation High shear process for the production of chlorobenzene
US7919645B2 (en) * 2007-06-27 2011-04-05 H R D Corporation High shear system and process for the production of acetic anhydride
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US7491856B2 (en) 2007-06-27 2009-02-17 H R D Corporation Method of making alkylene glycols
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US20090005606A1 (en) * 2007-06-27 2009-01-01 H R D Corporation High shear process for the production of cumene hydroperoxide
EA017143B1 (ru) * 2007-06-27 2012-10-30 ЭйчАДи КОПЭРЕЙШН Система и способ получения нитробензола
US9669381B2 (en) * 2007-06-27 2017-06-06 Hrd Corporation System and process for hydrocracking
US8269057B2 (en) * 2007-06-27 2012-09-18 H R D Corporation System and process for alkylation
US8278494B2 (en) 2007-06-27 2012-10-02 H R D Corporation Method of making linear alkylbenzenes
US7652174B2 (en) * 2007-06-27 2010-01-26 H R D Corporation High shear process for the production of chloral
US7842184B2 (en) * 2007-06-27 2010-11-30 H R D Corporation Process for water treatment using high shear device
US8026402B2 (en) * 2007-06-27 2011-09-27 H R D Corporation High shear process for cyclohexane production
US7482497B2 (en) * 2007-06-27 2009-01-27 H R D Corporation Method of making alcohols
US8394861B2 (en) 2007-06-27 2013-03-12 Hrd Corporation Gasification of carbonaceous materials and gas to liquid processes
US8026403B2 (en) * 2007-06-27 2011-09-27 H R D Corporation System and process for production of liquid product from light gas
US7479576B1 (en) * 2007-06-27 2009-01-20 H R D Corporation Method of hydrogenating aldehydes and ketones
WO2009003111A2 (en) 2007-06-27 2008-12-31 H R D Corporation High shear process for dextrose production
US7592493B2 (en) * 2007-06-27 2009-09-22 H R D Corporation High shear process for cyclohexanol production
US7482496B2 (en) * 2007-06-27 2009-01-27 H R D Corporation Method for making chlorohydrins
US8080685B2 (en) * 2007-06-27 2011-12-20 H R D Corporation System and process for production of benzoic acids and phthalic acids
US8021539B2 (en) 2007-06-27 2011-09-20 H R D Corporation System and process for hydrodesulfurization, hydrodenitrogenation, or hydrofinishing
US8088953B2 (en) * 2007-06-27 2012-01-03 H R D Corporation High shear oxidation of cyclohexane
US8304584B2 (en) 2007-06-27 2012-11-06 H R D Corporation Method of making alkylene glycols
US8080684B2 (en) * 2007-06-27 2011-12-20 H R D Corporation Method of producing ethyl acetate
US7750188B2 (en) * 2007-06-27 2010-07-06 H R D Corporation System and process for the production of aniline and toluenediamine
US7691953B2 (en) * 2007-06-27 2010-04-06 H R D Corporation System and process for production of polyvinyl chloride
US7652175B2 (en) * 2007-06-27 2010-01-26 H R D Corporation High shear process for the production of acetaldehyde
US8022153B2 (en) * 2007-06-27 2011-09-20 H R D Corporation System and process for production of polyethylene and polypropylene
US8026380B2 (en) * 2007-07-30 2011-09-27 H R D Corporation System and process for production of fatty acids and wax alternatives from triglycerides
DE102007039091A1 (de) 2007-08-18 2009-02-19 Bayer Materialscience Ag Verfahren zur Reinigung von aromatischen Aminen
US8105403B2 (en) 2007-09-14 2012-01-31 Rentech, Inc. Integration of an integrated gasification combined cycle power plant and coal to liquid facility
US8128808B2 (en) * 2008-06-12 2012-03-06 H R D Corporation Process for hydrodesulfurization, hydrodenitrogenation, hydrofinishing, or amine production
US8999141B2 (en) * 2008-06-30 2015-04-07 Uop Llc Three-phase hydroprocessing without a recycle gas compressor
US8008534B2 (en) 2008-06-30 2011-08-30 Uop Llc Liquid phase hydroprocessing with temperature management
US9279087B2 (en) * 2008-06-30 2016-03-08 Uop Llc Multi-staged hydroprocessing process and system
WO2010002535A2 (en) * 2008-07-03 2010-01-07 H R D Corporation High shear process for air/fuel mixing
EP2293869A4 (en) * 2008-07-03 2012-01-25 H R D Corp ROTATABLE FIXED BREAKER WITH HIGH SCRAP
WO2010039970A2 (en) 2008-10-01 2010-04-08 H R D Corporation Applying shear stress for disease treatment
WO2010054197A2 (en) 2008-11-07 2010-05-14 H R D Corporation High shear process for producing micronized waxes
US8026340B2 (en) * 2008-12-16 2011-09-27 H R D Corporation High shear oxidation of wax
DE102008064281A1 (de) * 2008-12-20 2010-06-24 Bayer Technology Services Gmbh Verfahren zur Herstellung von Diamintoluol durch vielstufig adiabate Hydrierung
US20100204964A1 (en) * 2009-02-09 2010-08-12 Utah State University Lidar-assisted multi-image matching for 3-d model and sensor pose refinement
WO2010093507A2 (en) 2009-02-11 2010-08-19 H R D Corporation High shear hydrogenation of wax and oil mixtures
US8178053B2 (en) 2009-02-20 2012-05-15 H R D Corporation System and method for gas reaction
CN102405089A (zh) 2009-02-20 2012-04-04 Hrd有限公司 用于气体分离的设备和方法
DE102009019436A1 (de) 2009-04-29 2010-11-04 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
DE102009025374A1 (de) 2009-06-18 2010-12-23 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
US8518241B2 (en) 2009-06-30 2013-08-27 Uop Llc Method for multi-staged hydroprocessing
US8221706B2 (en) * 2009-06-30 2012-07-17 Uop Llc Apparatus for multi-staged hydroprocessing
EP2459482A4 (en) * 2009-07-28 2013-09-04 H R D Corp PRODUCTION OF HIGH GRADE OF ADDED PRODUCT FROM REFINED GAS
US8809025B2 (en) 2009-10-07 2014-08-19 H R D Corporation Algae processing
US8703997B2 (en) 2009-10-20 2014-04-22 Basf Se Process for preparation and preferably distillative workup of diphenylmethane diisocyanate (MDI)
US8821713B2 (en) 2009-12-17 2014-09-02 H R D Corporation High shear process for processing naphtha
JP5805661B2 (ja) * 2010-01-14 2015-11-04 バイエル・インテレクチュアル・プロパティ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツングBayer Intellectual Property GmbH 液相での芳香族アミンの製造方法
WO2011109465A2 (en) 2010-03-05 2011-09-09 H R D Corporation High shear system and process for the production of halogenated and/or sulfonated paraffins
US8888736B2 (en) 2010-04-30 2014-11-18 H R D Corporation High shear application in medical therapy
BR112012027634A2 (pt) 2010-04-30 2016-08-09 H R D Corp método e sistema
EP2571968A1 (en) 2010-05-21 2013-03-27 H R D Corporation Process for upgrading low value renewable oils
EP2598241B1 (de) 2010-07-30 2014-05-14 Bayer Intellectual Property GmbH Verfahren zur wiederherstellung von katalysatoraktivität
CN103068788A (zh) 2010-07-30 2013-04-24 拜耳知识产权有限责任公司 生产硝基苯的连续方法
US8845885B2 (en) 2010-08-09 2014-09-30 H R D Corporation Crude oil desulfurization
DE102010042731A1 (de) 2010-10-21 2012-04-26 Bayer Materialscience Aktiengesellschaft Verfahren zur Reinigung von Anilin aus Gasphasenhydrierungen
MX2013005523A (es) 2010-11-18 2013-07-05 Bayer Ip Gmbh Reactor quimico con material textil de malla metalica de punto como dispositivo de contencion para particulas.
CN102070464B (zh) * 2011-02-16 2013-09-04 上海安诺芳胺化学品有限公司 混合二硝基苯钯催化剂加氢还原生产苯二胺的方法
BR112013022330A2 (pt) 2011-04-08 2016-12-06 H R D Corp método para produzir um óleo, e, sistema de alto cisalhamento para processar óleo
DE102011081897A1 (de) 2011-08-31 2013-02-28 Bayer Materialscience Aktiengesellschaft Katalysator und Verfahren zur Herstellung von aromatischen Aminen in der Gasphase
DE102011081898A1 (de) 2011-08-31 2013-02-28 Bayer Materialscience Aktiengesellschaft Verfahren zur kontinuierlichen Herstellung von Nitrobenzol
EP2641892A1 (de) 2012-03-23 2013-09-25 Bayer MaterialScience AG Verfahren zur Reinigung von Anilin aus Gasphasenhydrierungen
EP2653462A1 (de) 2012-04-16 2013-10-23 Bayer MaterialScience AG Verfahren zum verbesserten Anfahren der Reaktion bei der Herstellung von aromatischen Aminen aus Nitroaromaten
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JP6165844B2 (ja) 2012-05-04 2017-07-19 コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag 芳香族アミンを含む物質混合物、特に粗製アニリンの物質混合物の処理方法
US8912367B2 (en) 2012-06-21 2014-12-16 H R D Corporation Method and system for liquid phase reactions using high shear
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US9227196B2 (en) 2013-01-25 2016-01-05 H R D Corporation Method of high shear comminution of solids
WO2015038300A1 (en) 2013-09-10 2015-03-19 Hrd Corporation Enhanced processes to produce value-added products from light gases
WO2015052068A1 (de) 2013-10-08 2015-04-16 Bayer Materialscience Ag Verfahren zur herstellung von toluylendiamin
US9346012B2 (en) * 2014-06-10 2016-05-24 Covestro Llc Method and apparatus for denenoxing waste gases from nitration
KR102415515B1 (ko) 2014-06-24 2022-07-01 코베스트로 도이칠란트 아게 작동 중단을 갖는 화학 생성물의 제조 방법
CN106008228B (zh) * 2016-06-14 2018-08-07 中国科学院山西煤炭化学研究所 一种合成苯胺类化合物的方法及其使用的催化剂
EP3500553B1 (de) 2016-08-17 2021-05-12 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung eines isocyanats und mindestens eines weiteren chemischen produkts in einem produktionsverbund
CN111646908B (zh) * 2017-01-16 2023-03-10 宜昌尚诺德生物医药科技有限公司 一种制备芳胺化合物的方法
CN108623476B (zh) * 2018-06-28 2023-05-30 万华化学集团股份有限公司 一种硝基化合物加氢制备胺类产品的方法
HUE056733T2 (hu) 2018-10-17 2022-03-28 Covestro Intellectual Property Gmbh & Co Kg Eljárás anilin tisztítására
WO2020212334A1 (de) 2019-04-17 2020-10-22 Covestro Deutschland Ag Verfahren und vorrichtung zur herstellung von nitrobenzol
KR20220032014A (ko) 2019-07-03 2022-03-15 코베스트로 인텔렉쳐 프로퍼티 게엠베하 운트 콤파니 카게 아닐린의 정제 방법
JP7681002B2 (ja) 2019-08-30 2025-05-21 コベストロ、ドイチュラント、アクチエンゲゼルシャフト 芳香族ニトロ化合物を水素化する方法
WO2025244748A1 (en) 2024-05-23 2025-11-27 Covestro Llc Method for recovering o-aminophenol

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363152A (en) * 1964-01-24 1968-01-09 Westinghouse Electric Corp Semiconductor devices with low leakage current across junction
CH490317A (de) * 1967-12-01 1970-05-15 Lonza Ag Verfahren zur Durchführung der katalytischen Gasphasenhydrierung von organischen Nitroverbindungen zu den entsprechenden Aminen
BE793928A (fr) * 1972-01-13 1973-05-02 Deggendorfer Werft Eisenbau Appareil pour la mise en oeuvre de processus chimiques exothermiques et endothermiques
GB1452466A (en) * 1975-04-04 1976-10-13 Chemopetrol Process for the production of aniline and apparatus therefor
DE2849002A1 (de) * 1978-11-11 1980-05-22 Bayer Ag Verfahren zur katalytischen hydrierung von nitrobenzol
DE3414717A1 (de) * 1984-04-18 1985-10-31 Linde Ag, 6200 Wiesbaden Verfahren und reaktor zur durchfuehrung exothermer katalytischer reaktionen
US4740621A (en) * 1985-11-01 1988-04-26 First Chemical Corporation Co-production of an aromatic monoamine and an aromatic diamine directly from benzene or a benzene derivative through controlled nitration

Also Published As

Publication number Publication date
US5877350A (en) 1999-03-02
EP0696574B1 (de) 1999-10-06
JP3889823B2 (ja) 2007-03-07
EP0696574A1 (de) 1996-02-14
CN1077564C (zh) 2002-01-09
JPH0859569A (ja) 1996-03-05
CZ288090B6 (cs) 2001-04-11
CA2155565A1 (en) 1996-02-09
DE59506978D1 (de) 1999-11-11
DE4428018A1 (de) 1996-02-15
CN1129212A (zh) 1996-08-21

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