PT2751064T - Processo para produção contínua de nitrobenzeno - Google Patents

Processo para produção contínua de nitrobenzeno

Info

Publication number
PT2751064T
PT2751064T PT127625549T PT12762554T PT2751064T PT 2751064 T PT2751064 T PT 2751064T PT 127625549 T PT127625549 T PT 127625549T PT 12762554 T PT12762554 T PT 12762554T PT 2751064 T PT2751064 T PT 2751064T
Authority
PT
Portugal
Prior art keywords
nitrobenzene
continuous production
continuous
production
Prior art date
Application number
PT127625549T
Other languages
English (en)
Inventor
Merkel Michael
Knauf Thomas
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 PT2751064T publication Critical patent/PT2751064T/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/08Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/16Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/06Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
    • 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
PT127625549T 2011-08-31 2012-08-29 Processo para produção contínua de nitrobenzeno PT2751064T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011081898A DE102011081898A1 (de) 2011-08-31 2011-08-31 Verfahren zur kontinuierlichen Herstellung von Nitrobenzol

Publications (1)

Publication Number Publication Date
PT2751064T true PT2751064T (pt) 2016-08-30

Family

ID=46924403

Family Applications (1)

Application Number Title Priority Date Filing Date
PT127625549T PT2751064T (pt) 2011-08-31 2012-08-29 Processo para produção contínua de nitrobenzeno

Country Status (6)

Country Link
US (1) US9012700B2 (pt)
EP (1) EP2751064B1 (pt)
CN (1) CN103764612B (pt)
DE (1) DE102011081898A1 (pt)
PT (1) PT2751064T (pt)
WO (1) WO2013030223A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9302978B1 (en) * 2013-04-29 2016-04-05 Covestro Deutschland Ag Process for the preparation of nitrobenzene by adiabatic nitration
US10155720B2 (en) 2014-05-13 2018-12-18 Covestro Deutschland Ag Method for producing toluenediamine
CN106278902B (zh) * 2015-06-08 2018-04-13 中国石油化工股份有限公司 一种降低粗硝基苯中钠盐含量的方法
KR20200065069A (ko) * 2017-10-16 2020-06-08 바스프 에스이 암모니아 첨가에 의한 니트로 화합물의 연속 수소화에서의 촉매 선택도 증가
CN113248385B (zh) * 2021-05-31 2024-01-16 中石化南京化工研究院有限公司 一种降低酸性硝基苯碱耗的方法
CN115138271B (zh) * 2022-07-20 2024-03-15 山东旭锐新材股份有限公司 连续化溴化聚苯乙烯溶液微洗涤系统及方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256999A (en) 1939-03-08 1941-09-23 Du Pont Nitration of organic compounds
US2739174A (en) 1951-09-08 1956-03-20 Eastman Kodak Co Nitrating aromatic hydrocarbons with only nitric acid
CH490317A (de) 1967-12-01 1970-05-15 Lonza Ag Verfahren zur Durchführung der katalytischen Gasphasenhydrierung von organischen Nitroverbindungen zu den entsprechenden Aminen
US3780116A (en) 1972-06-15 1973-12-18 Zaverchand & Co Method for nitration of aromatic hydrocarbon compounds
DE2849002A1 (de) 1978-11-11 1980-05-22 Bayer Ag Verfahren zur katalytischen hydrierung von nitrobenzol
DE3267711D1 (en) 1981-10-21 1986-01-09 Monsanto Co Process and catalysts for vapor phase nitration of aromatic compounds
DE3409717C2 (de) 1984-03-16 1994-03-31 Bayer Ag Verfahren zur Herstellung von Nitrobenzol
EP0436443B1 (en) 1990-01-04 1996-04-17 Nrm International Technologies C.V. Nitration process
CH683919A5 (de) 1992-01-15 1994-06-15 Uetikon Chemie Ag Verfahren zur Herstellung von Nitrobenzol.
DE4428018A1 (de) 1994-08-08 1996-02-15 Bayer Ag Verfahren zur Herstellung von aromatischen Aminen
DE19539205A1 (de) 1995-10-22 1997-04-24 Meissner Gmbh & Co Kg Josef Verfahren zur Aromatennitrierung
US6288289B1 (en) 2000-01-27 2001-09-11 Noram Engineering And Constructors Ltd. Integrated effluent treatment process for nitroaromatic manufacture
KR100743381B1 (ko) 2000-03-02 2007-07-30 다우 글로벌 테크놀로지스 인크. 관형 반응기, 관형 반응기에서 액체/액체 다상 반응의 수행방법 및 관형 반응기에서 방향족 화합물의 환상 니트로화 방법
DE102004017628A1 (de) 2004-04-10 2005-11-03 Bayer Materialscience Ag Verfahren zur Aufarbeitung von aromatische Nitroverbindungen enthaltenden Abwässern
DE102006004943A1 (de) * 2006-02-03 2007-08-09 Bayer Materialscience Ag Verfahren zur Herstellung von Nitrobenzol
DE102006035203A1 (de) 2006-07-29 2008-01-31 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
EP2014641A3 (en) 2007-06-06 2009-03-18 Huntsman International Llc Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates
DE102007059513A1 (de) 2007-12-11 2009-06-18 Bayer Materialscience Ag Verfahren zur Herstellung von Nitrobenzol durch adiabate Nitrierung
DE102008048713A1 (de) 2008-09-24 2010-03-25 Bayer Materialscience Ag Verfahren zur kontinuierlichen Herstellung von Nitrobenzol
KR101612987B1 (ko) 2009-08-18 2016-04-15 노람 인터내셔널 리미티드 니트로방향족 화합물에 대한 세척 시스템
WO2011082977A1 (de) 2009-12-16 2011-07-14 Basf Se VERFAHREN ZUR AUFARBEITUNG VON NOx-HALTIGEN ABGASEN AUS ABWASSERSTRÖMEN VON NITRIERANLAGEN

Also Published As

Publication number Publication date
US9012700B2 (en) 2015-04-21
CN103764612A (zh) 2014-04-30
EP2751064B1 (de) 2016-08-10
WO2013030223A1 (de) 2013-03-07
EP2751064A1 (de) 2014-07-09
US20150073180A1 (en) 2015-03-12
CN103764612B (zh) 2016-04-20
DE102011081898A1 (de) 2013-02-28

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