DE1275526B - Verfahren zur kontinuierlichen Herstellung von Dinitrotoluol - Google Patents

Verfahren zur kontinuierlichen Herstellung von Dinitrotoluol

Info

Publication number
DE1275526B
DE1275526B DEJ27273A DEJ0027273A DE1275526B DE 1275526 B DE1275526 B DE 1275526B DE J27273 A DEJ27273 A DE J27273A DE J0027273 A DEJ0027273 A DE J0027273A DE 1275526 B DE1275526 B DE 1275526B
Authority
DE
Germany
Prior art keywords
nitration
acid
toluene
mixture
dinitrotoluene
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.)
Pending
Application number
DEJ27273A
Other languages
German (de)
English (en)
Inventor
Michael Edward Brogden
George Milnes
Harry Pinkerton
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE1275526B publication Critical patent/DE1275526B/de
Pending 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DEJ27273A 1964-01-08 1964-12-29 Verfahren zur kontinuierlichen Herstellung von Dinitrotoluol Pending DE1275526B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB880/64A GB1081091A (en) 1964-01-08 1964-01-08 Improvements in or relating to the preparation of dinitrotoluenes

Publications (1)

Publication Number Publication Date
DE1275526B true DE1275526B (de) 1968-08-22

Family

ID=9712102

Family Applications (1)

Application Number Title Priority Date Filing Date
DEJ27273A Pending DE1275526B (de) 1964-01-08 1964-12-29 Verfahren zur kontinuierlichen Herstellung von Dinitrotoluol

Country Status (7)

Country Link
US (1) US3243466A (US20020128544A1-20020912-P00008.png)
BE (1) BE657927A (US20020128544A1-20020912-P00008.png)
CH (1) CH439241A (US20020128544A1-20020912-P00008.png)
DE (1) DE1275526B (US20020128544A1-20020912-P00008.png)
FR (1) FR1424035A (US20020128544A1-20020912-P00008.png)
GB (1) GB1081091A (US20020128544A1-20020912-P00008.png)
NL (1) NL6500228A (US20020128544A1-20020912-P00008.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021498A (en) * 1975-12-09 1977-05-03 American Cyanamid Company Adiabatic process for nitration of nitratable aromatic compounds
US4028425A (en) * 1976-06-01 1977-06-07 The United States Of America As Represented By The Secretary Of The Army Continuous process for concurrent production of dinitrotoluene and high-strength nitric acid
US4091042A (en) * 1977-08-19 1978-05-23 American Cyanamid Company Continuous adiabatic process for the mononitration of benzene
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
DE3705091A1 (de) * 1987-02-18 1988-09-01 Bayer Ag Verfahren zur abtrennung von schwefelsaeure und salpetersaeure aus bei der nitrierung von toluol erhaltenen dinitrotoluolgemischen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB939873A (en) * 1961-09-19 1963-10-16 Ici Ltd Manufacture of dinitrotoluene

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB939973A (en) * 1960-08-24 1963-10-16 Asea Ab Drive means for regulating and emergency control rods in heterogeneous nuclear reactors
US3160669A (en) * 1962-04-13 1964-12-08 Sumitomo Chemical Co Emulsion process of producing aromatic nitro compounds

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB939873A (en) * 1961-09-19 1963-10-16 Ici Ltd Manufacture of dinitrotoluene

Also Published As

Publication number Publication date
BE657927A (US20020128544A1-20020912-P00008.png) 1965-07-05
FR1424035A (fr) 1966-01-07
GB1081091A (en) 1967-08-31
NL6500228A (US20020128544A1-20020912-P00008.png) 1965-07-09
US3243466A (en) 1966-03-29
CH439241A (de) 1967-07-15

Similar Documents

Publication Publication Date Title
DE69026590T2 (de) Nitrierungsverfahren
EP1713756B1 (de) Verfahren zur herstellung von dinitrotoluol
EP2772304B1 (de) Vorrichtungen zur Aufreinigung von Nitrierprodukten
EP0597361B1 (de) Verfahren zur Herstellung von Dinitrotoluol
DE69814776T2 (de) Verfahren zur Herstellung von Dinitrotoluol unter Verwendung einer schwachen Säure
WO2009027416A1 (de) Verfahren zur aufarbeitung von abwässern aus der nitrierung
EP0124010B1 (de) Verfahren zur kontinuierlichen Herstellung von aromatischen Diaminen unter gleichzeitiger Erzeugung von Dampf
DE4309140C2 (de) Verfahren zur Herstellung von Dinitrotoluol
EP0279312B1 (de) Verfahren zur Abtrennung von Schwefelsäure und Salpetersäure aus bei der Nitrierung von Toluol erhaltenen Dinitrotoluolgemischen
DE1275526B (de) Verfahren zur kontinuierlichen Herstellung von Dinitrotoluol
DE69011325T2 (de) Verfahren zur herstellung von dinitrotoluol unter verwendung eines anorganischen salzes als phasentrennmittel.
EP0675104B1 (de) Verfahren zur adiabatischen Herstellung von Mononitrohalogenbenzolen
EP0696569B1 (de) Verfahren zur Herstellung von Dinitrotoluol
DE2005309C3 (de) Verfahren zur Herstellung von 1,3-Cyclohexylendiisocyanaten
DE69116895T2 (de) Verfahren zur herstellung von dinitrotoluol
DE2343658C2 (de) Verfahren zur Herstellung von Polyaminen
DE1793442C3 (de) Verfahren zum katalytischen Hydrieren von Adipinsäurenitril
DE1292642B (de) Verfahren zur Herstellung von Dinitrotoluol
DE2302381A1 (de) Verfahren zur herstellung von methylenbruecken aufweisenden polyarylaminen
DE1468575A1 (de) Kontinuierliches Verfahren zum Herstellen der Mononitroverbindungen von Benzol,Toluol oder Chlorbenzol
WO1992011227A1 (de) Verfahren zur kontinuierlichen nitrierung von nitrierbaren aromatischen verbindungen
DE287799C (US20020128544A1-20020912-P00008.png)
DE2557501C2 (US20020128544A1-20020912-P00008.png)
DE1129466B (de) Verfahren zum Mononitrieren von technischem Benzol, Xylol und Toluol, welche den ueblichen Gehalt an aliphatischen Kohlenwasserstoffen aufweisen
DE4238390A1 (de) Verfahren zur Herstellung von Dinitrotoluol