BRPI0700174A - processo para a preparação de nitrobenzeno - Google Patents

processo para a preparação de nitrobenzeno

Info

Publication number
BRPI0700174A
BRPI0700174A BRPI0700174-6A BRPI0700174A BRPI0700174A BR PI0700174 A BRPI0700174 A BR PI0700174A BR PI0700174 A BRPI0700174 A BR PI0700174A BR PI0700174 A BRPI0700174 A BR PI0700174A
Authority
BR
Brazil
Prior art keywords
nitrobenzene
water
raw
benzene
preparation
Prior art date
Application number
BRPI0700174-6A
Other languages
English (en)
Inventor
Thomas Knauf
Franz-Ulrich Von Gehlen
Joerg Schmiedler
Klaus Pilarczyk
Peter Drinda
Original Assignee
Bayer Materialscience 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 Materialscience Ag filed Critical Bayer Materialscience Ag
Publication of BRPI0700174A publication Critical patent/BRPI0700174A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/16—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)

Abstract

PROCESSO PARA A PREPARAçãO DE NITRO-BENZENO. A presente invenção refere-se a um processo para preparação e purificação de nitro-benzeno abrangendo a nitração de benzeno e a seguir uma lavagem ácida, uma lavagem alcalina e uma lavagem neutra e uma purificação por destilação.
BRPI0700174-6A 2006-02-03 2007-02-01 processo para a preparação de nitrobenzeno BRPI0700174A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006004943A DE102006004943A1 (de) 2006-02-03 2006-02-03 Verfahren zur Herstellung von Nitrobenzol

Publications (1)

Publication Number Publication Date
BRPI0700174A true BRPI0700174A (pt) 2007-11-06

Family

ID=38107246

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0700174-6A BRPI0700174A (pt) 2006-02-03 2007-02-01 processo para a preparação de nitrobenzeno

Country Status (10)

Country Link
US (1) US7326816B2 (pt)
EP (1) EP1816117B1 (pt)
JP (1) JP2007204474A (pt)
KR (1) KR101376855B1 (pt)
CN (1) CN101012169B (pt)
AT (1) ATE413376T1 (pt)
BR (1) BRPI0700174A (pt)
DE (2) DE102006004943A1 (pt)
PT (1) PT1816117E (pt)
TW (1) TW200744988A (pt)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090038701A1 (en) 2006-01-17 2009-02-12 Baxter International Inc. Device, system and method for mixing
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
DE102009005324B4 (de) 2009-01-16 2014-04-03 Plinke Gmbh Verfahren zur adiabatischen Nitrierung von Benzol
US9040758B2 (en) 2009-08-18 2015-05-26 Noram International Limited Washing system for nitroaromatic compounds
CN102020567B (zh) * 2009-09-11 2013-11-06 上海安赐机械设备有限公司 一种粗硝基苯精制方法及其装置
DE102010006984A1 (de) 2010-02-05 2011-08-11 Bayer MaterialScience AG, 51373 Verfahren zur kontinuierlichen Herstellung von Nitrobenzol
DE102010038519A1 (de) * 2010-07-28 2012-02-02 Bayer Materialscience Ag Verfahren zur Herstellung von Nitrobenzol durch adiabate Nitrierung
KR20130041145A (ko) 2010-07-30 2013-04-24 바이엘 인텔렉쳐 프로퍼티 게엠베하 니트로벤젠의 연속 제조 방법
EP2598241B1 (de) 2010-07-30 2014-05-14 Bayer Intellectual Property GmbH Verfahren zur wiederherstellung von katalysatoraktivität
US9115048B2 (en) 2011-05-19 2015-08-25 Josef Meissner Gmbh & Co. Kg Method and apparatus for purifying nitration products
HUE026061T2 (en) * 2011-08-09 2016-05-30 Basf Se A method for purifying wastewater from the processing of crude aromatic nitro compounds
DE102011081898A1 (de) * 2011-08-31 2013-02-28 Bayer Materialscience Aktiengesellschaft Verfahren zur kontinuierlichen Herstellung von Nitrobenzol
PL2841412T3 (pl) 2012-04-25 2016-10-31 Sposób przemywania dinitrotoluenu
US9249083B2 (en) 2012-04-25 2016-02-02 Basf Se Process for scrubbing dinitrotoluene
CN104507903B (zh) * 2012-07-27 2017-03-08 科思创德国股份有限公司 通过绝热硝化制备硝基苯的方法
US9284256B2 (en) 2012-07-27 2016-03-15 Bayer Materialscience Ag Process for the production of nitrobenzene by adiabatic nitration
KR102067307B1 (ko) 2012-07-27 2020-01-16 코베스트로 도이칠란드 아게 단열 니트로화에 의한 니트로벤젠의 제조방법
US9227909B2 (en) * 2012-10-10 2016-01-05 Covestro Deutschland Ag Method for the continuous production of nitrobenzene
PT2986563T (pt) 2013-04-18 2017-04-06 Covestro Deutschland Ag Processo para tratamento de efluentes da produção de nitrobenzeno
PT2986562T (pt) 2013-04-18 2017-04-24 Covestro Deutschland Ag Método para o processamento de água residual a partir da produção de nitro-benzeno
EP3142996B1 (de) * 2014-05-13 2019-02-27 Covestro Deutschland AG Verfahren zur herstellung von toluylendiamin
JP6661555B2 (ja) * 2014-06-24 2020-03-11 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 ニトロベンゼンの製造方法
DE102015106617B4 (de) 2014-07-07 2017-09-21 Josef Meissner Gmbh & Co. Kg Verfahren zur Aufreinigung von Rohdinitrotoluolen
DE102017110084C5 (de) 2017-02-03 2026-02-26 Josef Meissner Gmbh & Co. Kg Verwendungen von Nitroaromaten in der adiabatischen Nitrierung von Aromaten
EP3592727B1 (de) 2017-03-07 2024-04-03 Covestro Deutschland AG Verfahren zur herstellung von nitrobenzol
CN114669083B (zh) * 2022-03-12 2024-01-02 信丰华锐钨钼新材料有限公司 一种n1923弱碱性萃取分离钨和钼有机相的方法
CN119819213A (zh) * 2023-10-13 2025-04-15 中国石油化工股份有限公司 一种硝基苯废水减量化装置及方法
WO2026077860A1 (de) 2024-10-09 2026-04-16 Covestro Deutschland Ag Verfahren zum trennen von w/o-emulsionen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350466A (en) * 1966-06-06 1967-10-31 Mobay Chemical Corp Emulsion separation of aromatic nitro compounds
DE2808225A1 (de) 1978-02-25 1979-08-30 Bayer Ag Verfahren zur elektrophoretischen brechung von emulsionen
US5313009A (en) 1990-01-04 1994-05-17 Nrm International Technologies C.V. Nitration process
US6288289B1 (en) * 2000-01-27 2001-09-11 Noram Engineering And Constructors Ltd. Integrated effluent treatment process for nitroaromatic manufacture

Also Published As

Publication number Publication date
PT1816117E (pt) 2008-12-29
US20070249873A1 (en) 2007-10-25
KR20070079932A (ko) 2007-08-08
DE502007000209D1 (de) 2008-12-18
DE102006004943A1 (de) 2007-08-09
CN101012169A (zh) 2007-08-08
US7326816B2 (en) 2008-02-05
TW200744988A (en) 2007-12-16
EP1816117A1 (de) 2007-08-08
ATE413376T1 (de) 2008-11-15
CN101012169B (zh) 2012-01-11
JP2007204474A (ja) 2007-08-16
EP1816117B1 (de) 2008-11-05
KR101376855B1 (ko) 2014-03-20

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]