DE69430046D1 - Verfahren zur Entfernung von hydroxynitroaromatischen Verbindungen enthaltenden Abwassers - Google Patents

Verfahren zur Entfernung von hydroxynitroaromatischen Verbindungen enthaltenden Abwassers

Info

Publication number
DE69430046D1
DE69430046D1 DE69430046T DE69430046T DE69430046D1 DE 69430046 D1 DE69430046 D1 DE 69430046D1 DE 69430046 T DE69430046 T DE 69430046T DE 69430046 T DE69430046 T DE 69430046T DE 69430046 D1 DE69430046 D1 DE 69430046D1
Authority
DE
Germany
Prior art keywords
removal
waste water
water containing
hydroxynitroaromatic
compounds
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 - Fee Related
Application number
DE69430046T
Other languages
English (en)
Other versions
DE69430046T2 (de
Inventor
Faouzi Joulak
Bris Louis Le
Philippe Marion
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.)
Rhodia Chimie 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
Publication of DE69430046D1 publication Critical patent/DE69430046D1/de
Application granted granted Critical
Publication of DE69430046T2 publication Critical patent/DE69430046T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • 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
DE69430046T 1993-12-31 1994-12-26 Verfahren zur Entfernung von hydroxynitroaromatischen Verbindungen enthaltenden Abwassers Expired - Fee Related DE69430046T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9315988A FR2714666B1 (fr) 1993-12-31 1993-12-31 Procédé d'élimination d'effluents aqueux comprenant notamment des composés hydroxynitroaromatiques.

Publications (2)

Publication Number Publication Date
DE69430046D1 true DE69430046D1 (de) 2002-04-11
DE69430046T2 DE69430046T2 (de) 2002-08-22

Family

ID=9454674

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69430046T Expired - Fee Related DE69430046T2 (de) 1993-12-31 1994-12-26 Verfahren zur Entfernung von hydroxynitroaromatischen Verbindungen enthaltenden Abwassers

Country Status (4)

Country Link
US (2) US5554299A (de)
EP (1) EP0662454B1 (de)
DE (1) DE69430046T2 (de)
FR (1) FR2714666B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2767319B1 (fr) * 1997-08-13 1999-10-29 Rhone Poulenc Chimie Procede de traitement de solutions aqueuses comprenant des acides et des composes nitres
US6288289B1 (en) * 2000-01-27 2001-09-11 Noram Engineering And Constructors Ltd. Integrated effluent treatment process for nitroaromatic manufacture
GB0301092D0 (en) * 2003-01-17 2003-02-19 Wickins Jeremy Wastewater treatment apparatus
DE102004017628A1 (de) * 2004-04-10 2005-11-03 Bayer Materialscience Ag Verfahren zur Aufarbeitung von aromatische Nitroverbindungen enthaltenden Abwässern
HUE030104T2 (en) * 2009-08-18 2017-04-28 Noram Int Ltd Washing system for nitroaromatic compounds
US20120205308A1 (en) * 2010-08-12 2012-08-16 Basf Se Process for purifying wastewaters from the workup of crude aromatic nitro compounds
FR2970252B1 (fr) * 2011-01-10 2013-11-15 Arkema France Procede de production de composes nitrile-acide gras

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1081092A (en) * 1964-01-08 1967-08-31 Ici Ltd Purification of dinitrotoluenes
US4361712A (en) * 1980-05-19 1982-11-30 Air Products And Chemicals, Inc. Cyanide reduction in nitroaromatic process
US4482769A (en) * 1983-09-16 1984-11-13 Air Products And Chemicals, Inc. Reducing 2,4-dinitroortho-cresol in effluent stream from dinitrotoluene process
US4597875A (en) * 1985-05-07 1986-07-01 Air Products And Chemicals, Inc. Precipitative removal of nitrocresols from dinitrotoluene waste streams
US4604214A (en) * 1985-08-16 1986-08-05 Air Products And Chemicals, Inc. Removal of nitrocresols from dinitrotoluene waste streams using fentons reagent

Also Published As

Publication number Publication date
DE69430046T2 (de) 2002-08-22
EP0662454A1 (de) 1995-07-12
US5554299A (en) 1996-09-10
EP0662454B1 (de) 2002-03-06
FR2714666A1 (fr) 1995-07-07
US5820764A (en) 1998-10-13
FR2714666B1 (fr) 1996-03-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee