JPH0237908B2 - - Google Patents

Info

Publication number
JPH0237908B2
JPH0237908B2 JP60048442A JP4844285A JPH0237908B2 JP H0237908 B2 JPH0237908 B2 JP H0237908B2 JP 60048442 A JP60048442 A JP 60048442A JP 4844285 A JP4844285 A JP 4844285A JP H0237908 B2 JPH0237908 B2 JP H0237908B2
Authority
JP
Japan
Prior art keywords
sulfuric acid
acid
benzene
concentrated
evaporation
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
JP60048442A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60204749A (ja
Inventor
Rairatsuha Gyuntaa
Geruken Rudorufu
Shurutsu Karuruuhaintsu
Horunungu Rudorufu
Betsukuman Barutaa
Rarubitsuhi Borufugangu
Deiitsu Borufugangu
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6230736&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0237908(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer AG filed Critical Bayer AG
Publication of JPS60204749A publication Critical patent/JPS60204749A/ja
Publication of JPH0237908B2 publication Critical patent/JPH0237908B2/ja
Granted legal-status Critical Current

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
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/88—Concentration of sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
JP60048442A 1984-03-16 1985-03-13 ニトロベンゼンの製造方法 Granted JPS60204749A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3409717.1 1984-03-16
DE3409717A DE3409717C2 (de) 1984-03-16 1984-03-16 Verfahren zur Herstellung von Nitrobenzol

Publications (2)

Publication Number Publication Date
JPS60204749A JPS60204749A (ja) 1985-10-16
JPH0237908B2 true JPH0237908B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-08-28

Family

ID=6230736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60048442A Granted JPS60204749A (ja) 1984-03-16 1985-03-13 ニトロベンゼンの製造方法

Country Status (7)

Country Link
US (1) US4772757A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0156199B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60204749A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8501133A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1263873A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3409717C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES541320A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3632623A1 (de) * 1986-09-25 1988-03-31 Bayer Ag Verfahren zum aufkonzentrieren von schwefelsaeure
US5313009A (en) * 1990-01-04 1994-05-17 Nrm International Technologies C.V. Nitration process
US5099078A (en) * 1990-12-21 1992-03-24 Olin Corporation Process for preparing dinitrotoluene
DE4428460A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Nitroaromaten
DE19748886A1 (de) * 1997-11-05 1999-05-06 Basf Ag Verfahren und Vorrichtung zur Abkühlung einer kontinuierlich zulaufenden Flüssigkeit im Vakuum
RU2167145C1 (ru) * 2000-09-01 2001-05-20 Старовойтов Михаил Карпович Способ очистки технического нитробензола от серосодержащих, азот- и кислородсодержащих побочных продуктов
DE10055359C1 (de) 2000-11-08 2002-03-28 Bayer Ag Kontinuierliches isothermes Verfahren zur Herstellung von Mononitrotoluolen
DE10108979C1 (de) 2001-02-23 2002-05-08 Bayer Ag Kontinuierliches adiabatisches Verfahren zur Herstellung von Nitrochlorbenzol
DE10117207C1 (de) * 2001-04-06 2002-11-14 Bayer Ag Kontinuierliches isothermes Verfahren zur Herstellung von Mononitrotoluolen in Gegenwart von Phosphorsäure
DE102004038555B3 (de) * 2004-08-06 2005-08-04 Plinke Gmbh Modularer Mikroreaktor zur Nitrierung mit Mischsäure
DE102006022447A1 (de) * 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur gekoppelten Herstellung von Chlor und Isocyanaten
US7491856B2 (en) 2007-06-27 2009-02-17 H R D Corporation Method of making alkylene glycols
US8304584B2 (en) 2007-06-27 2012-11-06 H R D Corporation Method of making alkylene glycols
CN101679200A (zh) * 2007-06-27 2010-03-24 Hrd有限公司 生产硝基苯的方法和系统
DE102007059513A1 (de) * 2007-12-11 2009-06-18 Bayer Materialscience Ag Verfahren zur Herstellung von Nitrobenzol durch adiabate Nitrierung
DE102009005324B4 (de) * 2009-01-16 2014-04-03 Plinke Gmbh Verfahren zur adiabatischen Nitrierung von Benzol
CN101538203B (zh) * 2009-04-08 2012-05-30 聊城大学 一种二氧化硅负载杂多酸铵催化合成一硝基苯的方法
ES2444276T3 (es) * 2009-12-16 2014-02-24 Basf Se Procedimiento para el tratamiento de gases de escape que contienen NOx procedentes de aguas residuales de instalaciones de nitración
EP2598474B1 (de) 2010-07-30 2014-06-18 Bayer Intellectual Property GmbH Verfahren zur kontinuierlichen herstellung von nitrobenzol
DE102011081898A1 (de) 2011-08-31 2013-02-28 Bayer Materialscience Aktiengesellschaft Verfahren zur kontinuierlichen Herstellung von Nitrobenzol
WO2013113651A1 (de) * 2012-01-31 2013-08-08 Bayer Intellectual Property Gmbh Verfahren und anlage zur herstellung von nitrobenzol
KR102066764B1 (ko) * 2012-07-27 2020-01-15 코베스트로 도이칠란드 아게 단열 니트로화에 의한 니트로벤젠의 제조방법
EP2877442B1 (de) * 2012-07-27 2016-11-16 Covestro Deutschland AG Verfahren zur herstellung von nitrobenzol durch adiabate nitrierung
CN104487413B (zh) * 2012-07-27 2017-03-29 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
US9227909B2 (en) 2012-10-10 2016-01-05 Covestro Deutschland Ag Method for the continuous production of nitrobenzene
CN105246833B (zh) 2013-04-18 2018-02-06 科思创德国股份公司 后处理来自硝基苯制备的废水的方法
US9771291B2 (en) 2013-04-18 2017-09-26 Covestro Deutschland Ag Process for working up waste water from nitrobenzene preparation
EP3160630B1 (de) 2014-06-24 2022-08-31 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von chemischen produkten mit betriebsunterbrechungen
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
WO2018033536A1 (de) 2016-08-17 2018-02-22 Covestro Deutschland Ag Verfahren zur herstellung eines isocyanats und mindestens eines weiteren chemischen produkts in einem produktionsverbund
CN106316858B (zh) * 2016-08-24 2018-08-31 康乃尔化学工业股份有限公司 一种稀硝酸加热工艺及其装置
DE102017110084B4 (de) 2017-02-03 2019-07-04 Josef Meissner Gmbh & Co. Kg Verfahren und Anlage zur adiabatischen Nitrierung von Aromaten
CN110573491B (zh) 2017-03-07 2022-11-11 科思创德国股份有限公司 制备硝基苯的方法
WO2020011817A1 (de) 2018-07-12 2020-01-16 Covestro Deutschland Ag Verfahren zur herstellung von nitrobenzol durch adiabatisch betriebene nitrierung von benzol
CN109232272B (zh) * 2018-11-13 2024-01-05 淮安绿源化工科技有限公司 一种安全环保的芳香胺的生产系统和工艺
WO2022101353A1 (en) * 2020-11-11 2022-05-19 Basf Se Process for concentrating diluted sulfuric acid

Family Cites Families (13)

* 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
DE1143492B (de) * 1959-08-13 1963-02-14 Kestner App Evaporateurs Verfahren zur stufenweisen Konzentration von Schwefelsaeure
DE2242055C3 (de) * 1972-08-26 1979-05-31 Industrie Chemie Thoma Gmbh, 6000 Frankfurt Verfahren zur Konzentration und Reinigung von durch organische Substanzen verunreinigter Schwefelsäure
DE2360706C3 (de) * 1973-12-06 1980-10-16 Hoechst Ag, 6000 Frankfurt Verfahren zur Regeneration von Schwefelsäure
US3928475A (en) * 1974-08-09 1975-12-23 Du Pont Azeotropic nitration of benzene
DE2521891B2 (de) * 1975-05-16 1980-02-28 Bayer Ag, 5090 Leverkusen Verfahren zum Abstoppen von Nitrierungen durch Destillation
US4021498A (en) * 1975-12-09 1977-05-03 American Cyanamid Company Adiabatic process for nitration of nitratable aromatic compounds
US4091042A (en) * 1977-08-19 1978-05-23 American Cyanamid Company Continuous adiabatic process for the mononitration of benzene
DE2909029C2 (de) * 1979-03-08 1990-05-31 Schott Glaswerke, 6500 Mainz Verfahren zum Konzentrieren und Reinigen von Schwefelsäure
EP0022181B1 (de) * 1979-06-13 1983-10-12 Bayer Ag Verfahren und Vorrichtung zum Regenerieren von Schwefelsäure
EP0021210B1 (de) * 1979-06-13 1983-07-13 Bayer Ag Verdampfer zum Konzentrieren von Mineralsäure, insbesondere Schwefelsäure
US4367347A (en) * 1981-06-01 1983-01-04 Air Products And Chemicals, Inc. High purity 2,4-dinitrotoluene from toluene nitration process
US4496782A (en) * 1983-07-08 1985-01-29 Air Products And Chemicals, Inc. Nitric acid recovery by the adiabatic nitration of nitroaromatics with fortified spent acid

Also Published As

Publication number Publication date
US4772757A (en) 1988-09-20
EP0156199B1 (de) 1988-10-26
ES8602595A1 (es) 1985-12-01
CA1263873A (en) 1989-12-12
DE3409717A1 (de) 1985-09-19
EP0156199A1 (de) 1985-10-02
DE3409717C2 (de) 1994-03-31
DE3565829D1 (en) 1988-12-01
BR8501133A (pt) 1985-11-12
EP0156199B2 (de) 1994-11-23
JPS60204749A (ja) 1985-10-16
ES541320A0 (es) 1985-12-01

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