PL1993990T3 - Sposób destylacyjnego wydzielania dinitrotoluenu ze ścieków procesowych z wytwarzania dinitrotoluenu przez nitrowanie toluenu mieszaniną nitrującą - Google Patents

Sposób destylacyjnego wydzielania dinitrotoluenu ze ścieków procesowych z wytwarzania dinitrotoluenu przez nitrowanie toluenu mieszaniną nitrującą

Info

Publication number
PL1993990T3
PL1993990T3 PL07726640T PL07726640T PL1993990T3 PL 1993990 T3 PL1993990 T3 PL 1993990T3 PL 07726640 T PL07726640 T PL 07726640T PL 07726640 T PL07726640 T PL 07726640T PL 1993990 T3 PL1993990 T3 PL 1993990T3
Authority
PL
Poland
Prior art keywords
dinitrotoluene
preparation
toluene
nitration
distillation
Prior art date
Application number
PL07726640T
Other languages
English (en)
Inventor
Ulrich Penzel
Rüdiger Fritz
Holger Allardt
Johannes Adam
Anne-Kathrin Merten
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Publication of PL1993990T3 publication Critical patent/PL1993990T3/pl

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/38—Steam distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Water Treatments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
PL07726640T 2006-03-07 2007-03-06 Sposób destylacyjnego wydzielania dinitrotoluenu ze ścieków procesowych z wytwarzania dinitrotoluenu przez nitrowanie toluenu mieszaniną nitrującą PL1993990T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06110748 2006-03-07
PCT/EP2007/052072 WO2007101844A1 (de) 2006-03-07 2007-03-06 Verfahren zur destillativen abtrennung von dinitrotoluol aus einem prozessabwasser aus der herstellung von dinitrotoluol durch nitrierung von toluol mit nitriersäure
EP07726640A EP1993990B1 (de) 2006-03-07 2007-03-06 Verfahren zur destillativen abtrennung von dinitrotoluol aus einem prozessabwasser aus der herstellung von dinitrotoluol durch nitrierung von toluol mit nitriersäure

Publications (1)

Publication Number Publication Date
PL1993990T3 true PL1993990T3 (pl) 2011-12-30

Family

ID=38001746

Family Applications (1)

Application Number Title Priority Date Filing Date
PL07726640T PL1993990T3 (pl) 2006-03-07 2007-03-06 Sposób destylacyjnego wydzielania dinitrotoluenu ze ścieków procesowych z wytwarzania dinitrotoluenu przez nitrowanie toluenu mieszaniną nitrującą

Country Status (10)

Country Link
US (1) US7928270B2 (pl)
EP (1) EP1993990B1 (pl)
JP (1) JP4901883B2 (pl)
KR (1) KR20080098377A (pl)
CN (1) CN101395124B (pl)
AT (1) ATE520646T1 (pl)
ES (1) ES2369194T3 (pl)
PL (1) PL1993990T3 (pl)
PT (1) PT1993990E (pl)
WO (1) WO2007101844A1 (pl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2418176A1 (de) * 2010-08-12 2012-02-15 Basf Se Verfahren zur Aufreinigung von Abwässern aus der Aufarbeitung vom rohem Mononitrobenzol
US9417226B2 (en) * 2011-06-28 2016-08-16 Mistral Detection Ltd Reagent, method and kit for the detection of nitro aliphatic compounds
EP2841412B1 (de) * 2012-04-25 2016-04-06 Basf Se Verfahren zur wäsche von dinitrotoluol
EP2986562B1 (de) * 2013-04-18 2017-04-05 Covestro Deutschland AG Verfahren zur aufarbeitung von abwasser aus der nitro-benzolherstellung
KR102176381B1 (ko) * 2013-04-18 2020-11-10 코베스트로 도이칠란트 아게 니트로벤젠 제조로부터의 폐수의 후처리 방법
EP4143138A1 (de) * 2020-04-27 2023-03-08 Covestro Deutschland AG Verfahren zur reinigung von mit nitrobenzol belasteten wässrigen abwasserströmen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997038770A1 (en) 1996-04-12 1997-10-23 Arco Chemical Technology, L.P. Removal of dinitrotoluene from process water
DE19815844A1 (de) 1998-04-08 1999-10-14 Basf Ag Verfahren zum Abbau von aromatischen Nitroverbindungen in Abwässern
DE10143800C1 (de) * 2001-09-06 2002-08-22 Plinke Gmbh Verfahren zur Minimierung des Abwassers bei der Herstellung von DNT
US6506948B1 (en) 2002-02-07 2003-01-14 Air Products And Chemicals, Inc. Toluene extraction of dinitrotoluene wash water
DE10329304A1 (de) * 2003-06-30 2005-02-03 Bayer Materialscience Ag Verfahren zur Aufarbeitung des bei der Herstellung von Dinitrotoluol anfallenden Abwassers
DE10356499B3 (de) * 2003-12-03 2005-06-02 Qvf Engineering Gmbh Verfahren und Anlage zur unterazeotropen Konzentrierung von NOx-haltigen verdünnten Abfall- und Mischsäuren
DE102004017628A1 (de) * 2004-04-10 2005-11-03 Bayer Materialscience Ag Verfahren zur Aufarbeitung von aromatische Nitroverbindungen enthaltenden Abwässern

Also Published As

Publication number Publication date
ES2369194T3 (es) 2011-11-28
JP2009528917A (ja) 2009-08-13
US7928270B2 (en) 2011-04-19
WO2007101844A1 (de) 2007-09-13
CN101395124A (zh) 2009-03-25
US20090043135A1 (en) 2009-02-12
KR20080098377A (ko) 2008-11-07
EP1993990B1 (de) 2011-08-17
PT1993990E (pt) 2011-09-12
JP4901883B2 (ja) 2012-03-21
CN101395124B (zh) 2012-07-04
EP1993990A1 (de) 2008-11-26
ATE520646T1 (de) 2011-09-15

Similar Documents

Publication Publication Date Title
PT1993990E (pt) Processo para a separação por destilação de dinitrotolueno a partir de água residual resultante do processo de preparação de dinitrotolueno por nitração de tolueno através de ácidos de nitração
GB0803651D0 (en) A process for purification of trichologalactactosucrose based on direct extraction in organic solvent from reaction mixture followed by evaporative removal
JP2012530749A5 (pl)
MX2010004920A (es) Remocion de acetaldehido a partir de acetato de metilo mediante destilacion a presion elevada.
EA201170840A1 (ru) Способ получения чистого триэтаноламина (тэа)
EA201070457A1 (ru) Удаление диоксида углерода из сырьевого газа
TW200722408A (en) Process for the preparation of toluenediamine
SG150462A1 (en) Process for the purification of aromatic amines
DE502006001608D1 (de) Verfahren und Anlage zur Konzentrierung von Abfall-Schwefelsäuren aus Nitrierprozessen
DE502005001422D1 (de) Verfahren zur destillativen aufbereitung von toluylendiamin
WO2005073178A3 (de) Verfahren zur hydrocyanierung
PL2204372T3 (pl) Sposób wytwarzania triamidów kwasu tiofosforowego przy użyciu niepolarnych amin
NO20085357L (no) Fremgangsmate for fremstilling av renset hydrokinon og dannelse av det samme
FI20021538A (fi) Menetelmä ja laite puhdistetun höydyn valmistamiseksi
WO2011059210A3 (en) Process for purification of monosilane
ATE463489T1 (de) Verfahren zur kontinuierlichen destillativen auftrennung von gemischen enthaltend morpholin (mo), monoaminodiglykol (adg), ammoniak und wasser
WO2008000957A3 (fr) Procédé de préparation d'hydroquinone purifiée
BRPI0818078A2 (pt) Processos para separar trioxano a partir de uma corrente de alimentação, e para preparar trioxano a partir de uma solução aquosa de formaldeído
ATE459607T1 (de) Verfahren zur kontinuierlichen destillativen auftrennung von gemischen enthaltend morpholin (mo), monoaminodiglykol (adg), ammoniak und wasser
MY153212A (en) Method for separating trioxane from a triozane/formaldehyde/water mixture by means of pressure change rectification
WO2009146052A3 (en) Crystallization of sucralose from sucralose-containing feed streams
MY138553A (en) Method for purifying hydrocyanic acid
MY140932A (en) Method for producing phthalic anhydride that conforms to specifications
MY144469A (en) Process for the distillative separation of mixtures comprising monoethylene glycol and diethylentriamine
ATE442371T1 (de) Víllig lísungsmittelfreie cefotetan säure und verfahren zu ihrer herstellung.