BR7905432A - Processo para a hidrgenacao de nitrobenzeno - Google Patents

Processo para a hidrgenacao de nitrobenzeno

Info

Publication number
BR7905432A
BR7905432A BR7905432A BR7905432A BR7905432A BR 7905432 A BR7905432 A BR 7905432A BR 7905432 A BR7905432 A BR 7905432A BR 7905432 A BR7905432 A BR 7905432A BR 7905432 A BR7905432 A BR 7905432A
Authority
BR
Brazil
Prior art keywords
support
per liter
nitrobenzene
catalyst
grams
Prior art date
Application number
BR7905432A
Other languages
English (en)
Inventor
H Schmidt
J Metten
U Birkenstock
B Lachmann
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
Publication of BR7905432A publication Critical patent/BR7905432A/pt

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/648—Vanadium, niobium or tantalum or polonium
    • B01J23/6482—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16—Reducing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16—Reducing
    • B01J37/18—Reducing with gases containing free hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
BR7905432A 1978-11-11 1979-08-23 Processo para a hidrgenacao de nitrobenzeno BR7905432A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782849002 DE2849002A1 (de) 1978-11-11 1978-11-11 Verfahren zur katalytischen hydrierung von nitrobenzol

Publications (1)

Publication Number Publication Date
BR7905432A true BR7905432A (pt) 1980-05-20

Family

ID=6054430

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7905432A BR7905432A (pt) 1978-11-11 1979-08-23 Processo para a hidrgenacao de nitrobenzeno

Country Status (10)

Country Link
US (1) US4265834A (pt)
EP (1) EP0011090B1 (pt)
JP (1) JPS5566545A (pt)
AT (1) ATE612T1 (pt)
BR (1) BR7905432A (pt)
CA (1) CA1136651A (pt)
DE (2) DE2849002A1 (pt)
ES (1) ES483534A1 (pt)
MX (1) MX151217A (pt)
ZA (1) ZA794454B (pt)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469816A (en) * 1982-12-14 1984-09-04 Allied Corporation Palladium on alumina aerogel catalyst composition and process for making same
US4929737A (en) * 1988-02-03 1990-05-29 Eastman Kodak Company Hydrogenation of halonitroaromatic compounds
DE4039026A1 (de) * 1990-12-07 1992-06-11 Bayer Ag Verfahren zur herstellung von anilin
FR2671347B1 (fr) * 1991-01-07 1994-09-09 Inst Francais Du Petrole Reduction catalytique de composes nitroaromatiques substitues ou non en composes aminoaromatiques correspondants.
FR2682106B1 (fr) * 1991-10-04 1993-11-26 Rhone Poulenc Chimie Procede d'hydrogenation en phase vapeur utilisables pour des derives aromatiques nitres.
DE59503894D1 (de) * 1994-04-07 1998-11-19 Bayer Ag Verfahren zur Herstellung von Isocyanaten oder Isocyanatgemischen
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
ES2154825T3 (es) * 1995-05-19 2001-04-16 Novartis Ag Procedimiento para la hidrogenacion catalitica de nitro compuestos aromaticos.
DE19521587A1 (de) * 1995-06-14 1996-12-19 Bayer Ag Verfahren und Katalysator zur Herstellung von aromatischen Aminen durch Gasphasenhydrierung
DE59705933D1 (de) * 1996-06-05 2002-02-07 Basf Ag Reduktive Kopplung von Nitrobenzol oder kernsubstituierten Nitrobenzolen zu den entsprechenden Azobenzolen und Azoxybenzolen mit Redoxkatalysatoren
JP4318753B2 (ja) 1996-09-23 2009-08-26 シンジェンタ パーティシペーションズ アクチェンゲゼルシャフト 置換芳香族アミノ化合物の製造方法
US5962741A (en) 1996-11-19 1999-10-05 Novartis Ag Process for the production of aromatic halogen-amino compounds
DE19651688A1 (de) * 1996-12-12 1998-06-18 Bayer Ag Verfahren zur Herstellung von aromatischen Aminen durch Gasphasenhydrierung
DE19715746A1 (de) * 1997-04-16 1998-10-22 Bayer Ag Herstellung von aromatischen Aminen mittels neuer Hydrierkatalysatoren
US6179996B1 (en) 1998-05-22 2001-01-30 Membrane Technology And Research, Inc. Selective purge for hydrogenation reactor recycle loop
DE10047435A1 (de) * 2000-09-26 2002-04-11 Degussa Verfahren zur Herstellung von Oximen
DE10208254A1 (de) * 2002-02-26 2003-09-04 Bayer Ag Katalysator
CN1301154C (zh) * 2002-11-29 2007-02-21 东北师范大学 可再生的加氢催化剂及其制备方法
DE10347438A1 (de) * 2003-10-13 2005-05-04 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
DE10347439A1 (de) * 2003-10-13 2005-05-04 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen durch heterogen katalysierte Hydrierung
DE102005006692A1 (de) * 2005-02-15 2006-08-24 Bayer Materialscience Ag Verfahren zur Herstellung von Di-und Polyaminen der Diphenylmethanreihe
DE102006007619A1 (de) * 2006-02-18 2007-08-23 Bayer Materialscience Ag Verfahren zur Herstellung von Anilin
DE102006011497A1 (de) * 2006-03-14 2007-09-20 Bayer Technology Services Gmbh Verfahren und Vorrichtung zur Herstellung von aromatischen Aminen durch eine heterogen katalysierte Hydrierung
DE102006035203A1 (de) * 2006-07-29 2008-01-31 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
US8044244B2 (en) 2006-09-19 2011-10-25 Basf Se Process for preparing aromatic amines in a fluidized-bed reactor
ATE546224T1 (de) * 2007-05-10 2012-03-15 Basf Se Verfahren zur herstellung von aminen
DE102009019436A1 (de) 2009-04-29 2010-11-04 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
KR20130048236A (ko) 2010-07-30 2013-05-09 바이엘 인텔렉쳐 프로퍼티 게엠베하 촉매 활성의 회복 방법
RU2579392C2 (ru) 2010-11-18 2016-04-10 Баейр Интеллектуэль Проперти Гмбх Химический реактор с вязанным из проволоки сетчатым материалом в качестве удерживающего устройства для частиц
US9139510B2 (en) 2011-01-11 2015-09-22 Bayer Intellectual Property Gmbh Process for preparing aromatic amines
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
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
EP2653461A1 (de) 2012-04-16 2013-10-23 Bayer MaterialScience AG Verfahren zum verbesserten Abfahren der Reaktion bei der Herstellung von aromatischen Aminen aus Nitroaromaten
MX2016017020A (es) 2014-06-24 2017-05-12 Covestro Deutschland Ag Metodos para producir productos quimicos con interrupciones de funcionamiento.
KR20190039518A (ko) 2016-08-17 2019-04-12 코베스트로 도이칠란트 아게 통합 생산으로 이소시아네이트 및 적어도 1종의 추가의 화학 생성물을 제조하는 방법
EP3474987A4 (en) 2016-08-18 2020-01-08 The University of Chicago METAL OXIDE-CARRIED GROUND METAL CATALYSTS FOR HIGHLY EFFICIENT ORGANIC CONVERSIONS
US20220289662A1 (en) 2019-08-30 2022-09-15 Covestro Deutschland Ag Method for the hydrogenation of aromatic nitro compounds
US20240157343A1 (en) 2021-03-01 2024-05-16 Covestro Deutschland Ag Method for the hydrogenation of aromatic nitro compounds

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2823235A (en) * 1955-05-10 1958-02-11 Du Pont Hydrogenation of nitro compounds to amines and catalyst therefor
US3265636A (en) * 1963-03-26 1966-08-09 Du Pont Catalyst for the hydrogenation of nitro compounds
US3830847A (en) * 1966-11-04 1974-08-20 Grace W R & Co Selective oxidation of olefins
US3472897A (en) * 1966-12-22 1969-10-14 Grace W R & Co Reduction of nitrobenzene
US3666813A (en) * 1969-08-27 1972-05-30 Engelhard Min & Chem Process for preparing aromatic haloamines from aromatic nitroamines
DE2100373C3 (de) * 1971-01-15 1979-04-12 Institut Chimitscheskich Nauk Akademii Nauk Kasachskoj Ssr Katalysator zum Hydrieren von Nitroverbindungen
BE790275A (fr) * 1971-11-19 1973-04-19 Inst Francais Du Petrole Catalyseur utilisable en particulier pour la deshydrogenation des hydrocarbures satures
US3804779A (en) * 1972-10-02 1974-04-16 Dart Ind Inc Carbon supported palladium catalyst
US3995295A (en) * 1975-08-28 1976-11-30 Polaroid Corporation Electro-mechanical shutter system having mechanical latch
US4137254A (en) * 1977-07-27 1979-01-30 Texaco, Inc. Preparation of aromatic nitriles

Also Published As

Publication number Publication date
ES483534A1 (es) 1980-05-16
US4265834A (en) 1981-05-05
DE2849002A1 (de) 1980-05-22
DE2961976D1 (en) 1982-03-11
CA1136651A (en) 1982-11-30
MX151217A (es) 1984-10-11
ATE612T1 (de) 1982-02-15
EP0011090B1 (de) 1982-01-27
EP0011090A1 (de) 1980-05-28
JPS5566545A (en) 1980-05-20
ZA794454B (en) 1980-09-24
JPH0234938B2 (pt) 1990-08-07

Similar Documents

Publication Publication Date Title
BR7905432A (pt) Processo para a hidrgenacao de nitrobenzeno
ES2056258T3 (es) Procedimiento de deshidrogenacion.
MX9604031A (es) Catalizador de vehiculo que contiene paladio para la hidrogenacion catalitica selectiva del acetileno en flujos de hidrocarburos.
MX153116A (es) Procedimiento mejorado para la preparacion de un catalizador con soporte
ES2061201T3 (es) Catalizador zeolitico y su utilizacion en la aromatizacion de hidrocarburos conteniendo de 2 a 4 atomos de carbono.
FI831725A0 (fi) Katalytisk avvaxningsprocess
MY124443A (en) Fibre treatment
ES2119011T3 (es) Catalizador que contiene platino y estaño y su uso en la deshidrogenacion de alcanos.
DE3872791T2 (de) Verfahren zur reduktion eines raffinierungskatalysators vor seiner anwendung.
BR8905608A (pt) Processo de preparacao de um diorganopolissiloxano linear e produto
ES2061061T3 (es) Catalizadores de oxidacion basados en metaloporfirinas en soporte.
BR8706564A (pt) Composicao contendo hidrogenio ativo,poliuretana com carga e processo para preparacao de um composicao contendo hidrogenio ativo
KR890009465A (ko) 수첨용 촉매
ATE87237T1 (de) Verfahren fuer die reduktion eines raffinierungskatalysators vor seiner anwendung.
ATE340192T1 (de) Lagerstabile zusammensetzung enthaltend quadratsäure-aktivierten träger, der für die immobilisierung von amingruppen enthaltenden substanzen benutzt werden kann
BR0014456A (pt) Processos para ativação por hidrogênio em alta temperatupa e alta pressão de ferro passivado, e para hidrogenação na presença d um catalizador heterogênio, métodos para uso de nitrilas, e para uso de ferro, e, ferro catalìtico
ES2087513T3 (es) Catalizador a base de alumina eta clorada y su utilizacion en la isomerizacion de las n-parafinas de c4-c6.
BR7600358A (pt) Processo para estampar fibras de celulose e tecidos mistos,contendo fibras de celulose,segundo o metodo de estampagem por transferencia com o emprego de portadores auxiliare
BR8504994A (pt) Carga ou um suporte para substancias cataliticamente ativas,um processo para produzir a referida carga ou suporte,um catalizador produzido a partir do referido suporte,e o uso do referido catalisador
KR850003428A (ko) 탄화수소 유분을 수소화 분해하고 수소화 탈납하는 촉매 및 방법
DE3787559T2 (de) Wasserstoffbehandlungskatalysator und Träger mit einer doppelt verteilten Porenstruktur.
BR8802783A (pt) Processo para reducao seletiva de oxidos-4 de quinoxalina-2 e processo para preparacao de cloro-6-hidroxiquinoleina-2
ES2173178T3 (es) Composicion catalitica mcm-22 mejorada.
JPS6411644A (en) Manufacture of catalyst for hydrogenation of hydrocarbons
ES2077628T3 (es) Procedimiento para isomerizar hidrocarburos.

Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19940823