FR2433484A1 - Procede de traitement d'eaux residuaires - Google Patents
Procede de traitement d'eaux residuairesInfo
- Publication number
- FR2433484A1 FR2433484A1 FR7919496A FR7919496A FR2433484A1 FR 2433484 A1 FR2433484 A1 FR 2433484A1 FR 7919496 A FR7919496 A FR 7919496A FR 7919496 A FR7919496 A FR 7919496A FR 2433484 A1 FR2433484 A1 FR 2433484A1
- Authority
- FR
- France
- Prior art keywords
- acid radical
- treating wastewater
- aqueous solution
- nitrous acid
- treating
- 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.)
- Granted
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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
Procédé de traitement des eaux résiduaires. Le procédé comprend les étapes d'ajustement de la valeur du pH d'une solution aqueuse contenant un radical acide nitreux dans une gamme de 2 à 5, le traitement de ladite solution aqueuse par l'eau oxygénée pour oxyder le radical acide nitreux en le radical acide nitrique et le rejet de l'eau résiduaire dans sa forme neutralisée.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9206378A JPS5520606A (en) | 1978-07-29 | 1978-07-29 | Treating method for waste water |
JP54041057A JPS5925635B2 (ja) | 1979-04-06 | 1979-04-06 | 排水の処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2433484A1 true FR2433484A1 (fr) | 1980-03-14 |
FR2433484B1 FR2433484B1 (fr) | 1984-10-12 |
Family
ID=26380588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7919496A Granted FR2433484A1 (fr) | 1978-07-29 | 1979-07-27 | Procede de traitement d'eaux residuaires |
Country Status (4)
Country | Link |
---|---|
US (1) | US4268397A (fr) |
DE (1) | DE2930442A1 (fr) |
FR (1) | FR2433484A1 (fr) |
GB (1) | GB2027004B (fr) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4548715A (en) * | 1981-03-12 | 1985-10-22 | Schering Ag | Process for aeration of effluents in equalizing and reservoir basins |
DE3125452C2 (de) * | 1981-06-29 | 1985-09-12 | Degussa Ag, 6000 Frankfurt | Verfahren zum Entgiften und zum Absenken des CSB und des BSB in kontinuierlichen Abwasserströmen mit wechselnden Gehalten verschiedener oxidierbarer Inhaltsstoffe mit Wasserstoffperoxid |
US4391715A (en) * | 1981-08-13 | 1983-07-05 | Sterling Drug Inc. | Waste treatment process |
DE3135623A1 (de) * | 1981-09-09 | 1983-06-16 | Ekkehard Prof. Dr.-Ing. 4300 Essen Weber | "verfahren zur minderung des chemischen sauerstoffbedarfs in den abwaessern von rauchgasentschwefelungsanlagen" |
FR2519963A1 (fr) * | 1982-01-15 | 1983-07-22 | Ugine Kuhlmann | Traitement des eaux residuaires contenant des derives amines |
DE3533935C1 (de) * | 1985-09-24 | 1986-06-05 | Degussa Ag, 6000 Frankfurt | Verfahren und Vorrichtung zur Entfernung von Alkalinitrit aus nitrathaltigen Salzbaedern |
EP0259533A1 (fr) * | 1986-09-11 | 1988-03-16 | Eka Nobel Aktiebolag | Procédé pour diminuer l'emission d'oxydes de nitrogène à partir de liquides contenant de l'acide nitrique |
US4950453A (en) * | 1989-05-01 | 1990-08-21 | Murray W Bruce | Inhibiting corrosion by water |
SE9000166L (sv) * | 1990-01-17 | 1991-07-18 | Eka Nobel Ab | Redoxreglering |
US5266201A (en) * | 1991-01-08 | 1993-11-30 | Lafarge Fondu International | Process for the purification of aqueous solutions polluted by nitrate ions |
US5221486A (en) * | 1991-04-12 | 1993-06-22 | Battelle Memorial Institute | Aqueous phase removal of nitrogen from nitrogen compounds |
US5296167A (en) * | 1991-05-13 | 1994-03-22 | Murray W Bruce | Method and composition for inhibiting corrosion by sodium and calcium chloride |
DE4127980A1 (de) * | 1991-08-23 | 1993-02-25 | Degussa | Verfahren zum automatisch steuerbaren absenken des nitritgehalts nitrithaltiger waessriger loesungen auf werte unter 1 mg/l |
US5348664A (en) * | 1992-10-28 | 1994-09-20 | Stranco, Inc. | Process for disinfecting water by controlling oxidation/reduction potential |
US5433868A (en) * | 1993-09-09 | 1995-07-18 | Battelle Memorial Institute | Sewage treatment method |
US5800732A (en) * | 1997-02-07 | 1998-09-01 | Diversey Lever, Inc. | All-in-one treatment agent for cooling water |
DE19814500A1 (de) * | 1998-04-01 | 1999-10-14 | Henkel Kgaa | Automatische Kontrolle und Steuerung des Tensidgehalts in wäßrigen Prozeßlösungen |
US6475373B1 (en) | 1999-04-08 | 2002-11-05 | Mitsubishi Gas Chemical Company, Inc. | Method of controlling NOx gas emission by hydrogen peroxide |
CA2787378C (fr) | 2004-09-13 | 2015-11-03 | Takeda Pharmaceutical Company Limited | Methode de production de cristal de lansoprazole |
US7390399B2 (en) | 2004-12-21 | 2008-06-24 | Siemens Water Technologies Holding Corp. | Water treatment control systems and methods of use |
US8262870B2 (en) * | 2005-06-10 | 2012-09-11 | Aeromet Technologies, Inc. | Apparatus, methods, and compositions for removing coatings from a metal component |
US20060278535A1 (en) * | 2005-06-10 | 2006-12-14 | Aeromet Technologies, Inc. | Apparatus and methods for removing tungsten-containing coatings from a metal component |
US8377324B2 (en) * | 2005-06-10 | 2013-02-19 | Acromet Technologies Inc. | Methods for removing coatings from a metal component |
US7905245B2 (en) | 2005-09-30 | 2011-03-15 | Siemens Water Technologies Corp. | Dosing control system and method |
US20070110779A1 (en) * | 2005-10-25 | 2007-05-17 | Aseptix Technologies B.V. | Activated peroxide solutions and a process for the preparation thereof |
US10343939B2 (en) | 2006-06-06 | 2019-07-09 | Evoqua Water Technologies Llc | Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
US8652336B2 (en) | 2006-06-06 | 2014-02-18 | Siemens Water Technologies Llc | Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
US20080053913A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Nutrient recovery process |
US20080156726A1 (en) * | 2006-09-06 | 2008-07-03 | Fassbender Alexander G | Integrating recycle stream ammonia treatment with biological nutrient removal |
US20080053909A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Ammonia recovery process |
US9725343B2 (en) | 2007-04-03 | 2017-08-08 | Evoqua Water Technologies Llc | System and method for measuring and treating a liquid stream |
US8961798B2 (en) | 2007-04-03 | 2015-02-24 | Evoqua Water Technologies Llc | Method for measuring a concentration of a compound in a liquid stream |
US9365435B2 (en) | 2007-04-03 | 2016-06-14 | Evoqua Water Technologies Llc | Actinic radiation reactor |
US8741155B2 (en) | 2007-04-03 | 2014-06-03 | Evoqua Water Technologies Llc | Method and system for providing ultrapure water |
US9365436B2 (en) | 2007-04-03 | 2016-06-14 | Evoqua Water Technologies Llc | Method of irradiating a liquid |
US8753522B2 (en) | 2007-04-03 | 2014-06-17 | Evoqua Water Technologies Llc | System for controlling introduction of a reducing agent to a liquid stream |
DE102009018129A1 (de) * | 2009-04-09 | 2010-10-14 | Wieland Dental + Technik Gmbh & Co. Kg | Verfahren zur Behandlung nitrithaltiger Abfallstoffe |
US8591730B2 (en) | 2009-07-30 | 2013-11-26 | Siemens Pte. Ltd. | Baffle plates for an ultraviolet reactor |
EP2527301B1 (fr) | 2011-05-26 | 2016-04-27 | Evoqua Water Technologies GmbH | Procédé et dispositif pour le traîtement de l'eau |
US10494281B2 (en) | 2015-01-21 | 2019-12-03 | Evoqua Water Technologies Llc | Advanced oxidation process for ex-situ groundwater remediation |
US11161762B2 (en) | 2015-01-21 | 2021-11-02 | Evoqua Water Technologies Llc | Advanced oxidation process for ex-situ groundwater remediation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1257693B (de) * | 1961-07-26 | 1967-12-28 | Rudolf Abend Dr Ing | Verfahren zum Entgiften von Cyanid und Nitrit enthaltenden Abwaessern |
GB1421223A (en) * | 1973-04-16 | 1976-01-14 | Du Pont | Potentiometric titration method and apparatus therefor |
DE2500699A1 (de) * | 1975-01-09 | 1976-07-15 | Aag Elektronik A Anderer | Verfahren zur selbstkontrolle von automatisch arbeitenden entgiftungen und neutralisationen |
JPS5188863A (en) * | 1975-01-31 | 1976-08-03 | Ashosanionno shokyoho |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3826741A (en) * | 1972-11-03 | 1974-07-30 | Nihon Filter Co Ltd | Method of treating waste solution containing chromate ion or cyanide ion |
-
1979
- 1979-07-26 DE DE19792930442 patent/DE2930442A1/de not_active Ceased
- 1979-07-27 FR FR7919496A patent/FR2433484A1/fr active Granted
- 1979-07-27 US US06/061,263 patent/US4268397A/en not_active Expired - Lifetime
- 1979-07-27 GB GB7926180A patent/GB2027004B/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1257693B (de) * | 1961-07-26 | 1967-12-28 | Rudolf Abend Dr Ing | Verfahren zum Entgiften von Cyanid und Nitrit enthaltenden Abwaessern |
GB1421223A (en) * | 1973-04-16 | 1976-01-14 | Du Pont | Potentiometric titration method and apparatus therefor |
DE2500699A1 (de) * | 1975-01-09 | 1976-07-15 | Aag Elektronik A Anderer | Verfahren zur selbstkontrolle von automatisch arbeitenden entgiftungen und neutralisationen |
JPS5188863A (en) * | 1975-01-31 | 1976-08-03 | Ashosanionno shokyoho |
Non-Patent Citations (3)
Title |
---|
CA1976 * |
EXBK/77 * |
EXBK/79 * |
Also Published As
Publication number | Publication date |
---|---|
GB2027004A (en) | 1980-02-13 |
GB2027004B (en) | 1982-09-29 |
US4268397A (en) | 1981-05-19 |
FR2433484B1 (fr) | 1984-10-12 |
DE2930442A1 (de) | 1980-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |