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DE69803854D1 - Verfahren zur aufarbeitung von säure und nitroverbindungen enthaltenden wässrigen lösungen - Google Patents

Verfahren zur aufarbeitung von säure und nitroverbindungen enthaltenden wässrigen lösungen

Info

Publication number
DE69803854D1
DE69803854D1 DE69803854T DE69803854T DE69803854D1 DE 69803854 D1 DE69803854 D1 DE 69803854D1 DE 69803854 T DE69803854 T DE 69803854T DE 69803854 T DE69803854 T DE 69803854T DE 69803854 D1 DE69803854 D1 DE 69803854D1
Authority
DE
Germany
Prior art keywords
aqueous solutions
solutions containing
nitro compounds
treating acid
containing nitro
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
DE69803854T
Other languages
English (en)
Other versions
DE69803854T2 (de
Inventor
Philippe Marion
Bris Louis Le
Gerard Berrod
Georges Dovergne
Philippe Perrona
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.)
Vencorex France SAS
Original Assignee
Rhodia Chimie SAS
Rhone Poulenc Chimie SA
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 Rhodia Chimie SAS, Rhone Poulenc Chimie SA filed Critical Rhodia Chimie SAS
Application granted granted Critical
Publication of DE69803854D1 publication Critical patent/DE69803854D1/de
Publication of DE69803854T2 publication Critical patent/DE69803854T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C07C201/16—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
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/903—Nitrogenous
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/908—Organic
    • Y10S210/909—Aromatic compound, e.g. pcb, phenol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69803854T 1997-08-13 1998-08-11 Verfahren zur aufarbeitung von säure und nitroverbindungen enthaltenden wässrigen lösungen Expired - Lifetime DE69803854T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9710346A FR2767319B1 (fr) 1997-08-13 1997-08-13 Procede de traitement de solutions aqueuses comprenant des acides et des composes nitres
PCT/FR1998/001793 WO1999008995A1 (fr) 1997-08-13 1998-08-11 Procede de traitement de solutions aqueuses comprenant des acides et des composes nitres

Publications (2)

Publication Number Publication Date
DE69803854D1 true DE69803854D1 (de) 2002-03-21
DE69803854T2 DE69803854T2 (de) 2002-09-26

Family

ID=9510284

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803854T Expired - Lifetime DE69803854T2 (de) 1997-08-13 1998-08-11 Verfahren zur aufarbeitung von säure und nitroverbindungen enthaltenden wässrigen lösungen

Country Status (8)

Country Link
US (1) US6254789B1 (de)
EP (1) EP1003710B1 (de)
DE (1) DE69803854T2 (de)
DK (1) DK1003710T3 (de)
ES (1) ES2172914T3 (de)
FR (1) FR2767319B1 (de)
PT (1) PT1003710E (de)
WO (1) WO1999008995A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6723236B2 (en) 2002-03-19 2004-04-20 Waters Investments Limited Device for solid phase extraction and method for purifying samples prior to analysis
US7000409B2 (en) * 2003-05-23 2006-02-21 Marit Jagtoyen Mazzetti Use of flow through capacitor in the recovery and purification of water from exhaust gases of internal combustion engines
DE10329304A1 (de) 2003-06-30 2005-02-03 Bayer Materialscience Ag Verfahren zur Aufarbeitung des bei der Herstellung von Dinitrotoluol anfallenden Abwassers
DE102004017628A1 (de) * 2004-04-10 2005-11-03 Bayer Materialscience Ag Verfahren zur Aufarbeitung von aromatische Nitroverbindungen enthaltenden Abwässern
US7736529B2 (en) * 2007-10-12 2010-06-15 Honeywell International Inc Azeotrope-like compositions containing sulfur hexafluoride and uses thereof
US20120205308A1 (en) * 2010-08-12 2012-08-16 Basf Se Process for purifying wastewaters from the workup of crude aromatic nitro compounds
US9249083B2 (en) 2012-04-25 2016-02-02 Basf Se Process for scrubbing dinitrotoluene
CN104395280B (zh) 2012-04-25 2016-11-02 巴斯夫欧洲公司 洗涤二硝基甲苯的方法
CN108440300A (zh) * 2018-05-15 2018-08-24 福建省东南电化股份有限公司 一种硝化废酸浓缩过程中防止堵塞的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773911A (en) * 1953-12-11 1956-12-11 Du Pont Continuous manufacture of nitrobenzene
EP0047331A1 (de) * 1980-09-06 1982-03-17 American Cyanamid Company Rückgewinnung aromatischer Nitroverbindungen aus Nitrier-Waschlaugen
FR2714666B1 (fr) * 1993-12-31 1996-03-01 Rhone Poulenc Chimie Procédé d'élimination d'effluents aqueux comprenant notamment des composés hydroxynitroaromatiques.
DE4428460A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Nitroaromaten

Also Published As

Publication number Publication date
ES2172914T3 (es) 2002-10-01
FR2767319B1 (fr) 1999-10-29
US6254789B1 (en) 2001-07-03
FR2767319A1 (fr) 1999-02-19
DK1003710T3 (da) 2002-03-25
DE69803854T2 (de) 2002-09-26
EP1003710B1 (de) 2002-02-13
WO1999008995A1 (fr) 1999-02-25
EP1003710A1 (de) 2000-05-31
PT1003710E (pt) 2002-07-31

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Legal Events

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