FR2438014A1 - Procede pour traiter des eaux usees contenant des cyanures et des cyanates - Google Patents
Procede pour traiter des eaux usees contenant des cyanures et des cyanatesInfo
- Publication number
- FR2438014A1 FR2438014A1 FR7920192A FR7920192A FR2438014A1 FR 2438014 A1 FR2438014 A1 FR 2438014A1 FR 7920192 A FR7920192 A FR 7920192A FR 7920192 A FR7920192 A FR 7920192A FR 2438014 A1 FR2438014 A1 FR 2438014A1
- Authority
- FR
- France
- Prior art keywords
- cyanates
- liquid
- cyanides
- treating wastewater
- wastewater containing
- 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.)
- Withdrawn
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
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
- B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
- B01F23/23342—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer the stirrer being of the centrifugal type, e.g. with a surrounding stator
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
A.PROCEDE POUR TRAITER DES EAUX USEES CONTENANT DES CYANURES ET DES CYANATES. B.CE PROCEDE CONSISTE A TRAITER UN LIQUIDE D'ENTREE AQUEUX CONTENANT DES CYANURES QUI CONSISTE: A.A INTRODUIRE CE LIQUIDE DANS UNE ZONE OU IL VIENT EN CONTACT AVEC DE L'OZONE; B.A MELANGER PAR ROTATION, AU MOINS UNE PARTIE DE CE LIQUIDE AVEC UN GAZ CONTENANT DE L'OZONE AFIN DE FORMER UN COURANT DE BULLES DUDIT GAZ DANS LEDIT LIQUIDE ET A INJECTER LEDIT COURANT DANS LADITE ZONE; ET, C.A EVACUER UN EFFLUENT APPAUVRI EN CYANURES DE LADITE ZONE. C.CONCERNE LA LUTTE CONTRE LA POLLUTION ET PLUS PARTICULIEREMENT CONTRE LA POLLUTION PAR LES EFFLUENTS CONTENANT DES COMPOSES AZOTES ET EN PARTICULIER, DES CYANURES ET DES CYANATES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93195878A | 1978-08-08 | 1978-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2438014A1 true FR2438014A1 (fr) | 1980-04-30 |
Family
ID=25461574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7920192A Withdrawn FR2438014A1 (fr) | 1978-08-08 | 1979-08-07 | Procede pour traiter des eaux usees contenant des cyanures et des cyanates |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5913916B2 (fr) |
AU (1) | AU528719B2 (fr) |
BE (1) | BE878136A (fr) |
CA (1) | CA1116762A (fr) |
FR (1) | FR2438014A1 (fr) |
GB (1) | GB2039874B (fr) |
IT (1) | IT1192743B (fr) |
NL (1) | NL7920024A (fr) |
WO (1) | WO1980000335A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2020949A1 (fr) * | 1989-07-13 | 1991-01-14 | Solarchem Enterprises Inc. | Procede de traitement de l'eau par contacteur a l'ozone |
DE4004711A1 (de) * | 1990-02-15 | 1991-08-22 | Peter Husten | Verfahren und vorrichtung zur entfernung von schadstoffen aus untergrund-formationen im erdboden |
RU2550189C1 (ru) * | 2013-12-20 | 2015-05-10 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | Способ обезвреживания циансодержащих растворов и пульп |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3391789A (en) * | 1965-06-11 | 1968-07-09 | Industrial Filter Pump Mfg Co | Waste treatment apparatus |
CH490108A (de) * | 1969-01-28 | 1970-05-15 | Kerag Kesselschmiede App Und M | Vorrichtung zum Vermischen von strömungsfähigen Medien |
FR2129138A5 (fr) * | 1971-03-16 | 1972-10-27 | Trailigaz | |
US3920547A (en) * | 1974-05-06 | 1975-11-18 | Houston Research Inc | Method of destroying cyanides |
US3945918A (en) * | 1974-01-10 | 1976-03-23 | Airco, Inc. | Methods and apparatus for treating a liquid with a gas |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1929254A1 (de) * | 1969-06-10 | 1970-12-17 | Born Dr Ing Rainer | Verfahren zur Behandlung von insbesondere konzentrierten cyanidhaltigen Abwaessern |
DE2223188A1 (de) * | 1971-05-13 | 1972-11-23 | Gunac Ltd | Gipsmasse,Verfahren zu deren Herstellung und deren Verwendung |
SU394322A1 (ru) * | 1971-06-01 | 1973-08-22 | О. К. Беспам тной, Е. К. Рошци , Л. Ф. кше | СПОСОБ ОЧИСТКИ сточных вод. СОДЕРЖАЩИХ ЦИАНИДЫ |
SU469667A1 (ru) * | 1972-01-03 | 1975-05-05 | Государственный научно-исследовательский и проектный институт по обогащению руд цветных металлов "Казмеханобр" | Способ обезвреживани сточных вод |
JPS521756A (en) * | 1975-06-24 | 1977-01-07 | Sumikin Kozai Kogyo Kk | Rotary vane device to mix substances having different specific graviti es |
US4132637A (en) * | 1976-09-02 | 1979-01-02 | Fmc Corporation | Ozone disinfection in waste water treatment with recycling of ozonation off gas |
US4105545A (en) * | 1976-09-14 | 1978-08-08 | Treadwell Corp. | Process for removing cyanide-containing components from aqueous media |
-
1979
- 1979-06-21 IT IT2377179A patent/IT1192743B/it active
- 1979-06-22 CA CA000330355A patent/CA1116762A/fr not_active Expired
- 1979-07-27 NL NL7920024A patent/NL7920024A/nl unknown
- 1979-07-27 GB GB8003687A patent/GB2039874B/en not_active Expired
- 1979-07-27 JP JP54501274A patent/JPS5913916B2/ja not_active Expired
- 1979-07-27 WO PCT/US1979/000548 patent/WO1980000335A1/fr unknown
- 1979-07-31 AU AU49413/79A patent/AU528719B2/en not_active Ceased
- 1979-08-07 FR FR7920192A patent/FR2438014A1/fr not_active Withdrawn
- 1979-08-07 BE BE0/196646A patent/BE878136A/fr not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3391789A (en) * | 1965-06-11 | 1968-07-09 | Industrial Filter Pump Mfg Co | Waste treatment apparatus |
CH490108A (de) * | 1969-01-28 | 1970-05-15 | Kerag Kesselschmiede App Und M | Vorrichtung zum Vermischen von strömungsfähigen Medien |
FR2129138A5 (fr) * | 1971-03-16 | 1972-10-27 | Trailigaz | |
US3945918A (en) * | 1974-01-10 | 1976-03-23 | Airco, Inc. | Methods and apparatus for treating a liquid with a gas |
US3920547A (en) * | 1974-05-06 | 1975-11-18 | Houston Research Inc | Method of destroying cyanides |
Non-Patent Citations (1)
Title |
---|
EXBK/58 * |
Also Published As
Publication number | Publication date |
---|---|
BE878136A (fr) | 1979-12-03 |
WO1980000335A1 (fr) | 1980-03-06 |
NL7920024A (nl) | 1980-05-30 |
IT7923771A0 (it) | 1979-06-21 |
CA1116762A (fr) | 1982-01-19 |
GB2039874A (en) | 1980-08-20 |
GB2039874B (en) | 1983-01-12 |
JPS55500552A (fr) | 1980-08-21 |
AU4941379A (en) | 1980-02-14 |
IT1192743B (it) | 1988-05-04 |
AU528719B2 (en) | 1983-05-12 |
JPS5913916B2 (ja) | 1984-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |