BE863791A - Procede a une etape pour l'introduction en continu de gaz oxygenes dans des boues activees contenant des eaux residuaires - Google Patents

Procede a une etape pour l'introduction en continu de gaz oxygenes dans des boues activees contenant des eaux residuaires

Info

Publication number
BE863791A
BE863791A BE2056669A BE2056669A BE863791A BE 863791 A BE863791 A BE 863791A BE 2056669 A BE2056669 A BE 2056669A BE 2056669 A BE2056669 A BE 2056669A BE 863791 A BE863791 A BE 863791A
Authority
BE
Belgium
Prior art keywords
waste water
activated sludge
containing waste
step procedure
sludge containing
Prior art date
Application number
BE2056669A
Other languages
English (en)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BE863791A publication Critical patent/BE863791A/fr

Links

Classifications

    • 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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • 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
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237612—Oxygen
    • 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
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/211—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being surrounded by guiding tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3125—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characteristics of the Venturi parts
    • B01F25/31253—Discharge
    • B01F25/312532—Profiled, grooved, ribbed discharge conduit, or being provided with baffles
    • 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
    • C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Microbiology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Organic Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Activated Sludge Processes (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
BE2056669A 1977-02-09 1978-02-09 Procede a une etape pour l'introduction en continu de gaz oxygenes dans des boues activees contenant des eaux residuaires BE863791A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772705243 DE2705243A1 (de) 1977-02-09 1977-02-09 Einstufiges verfahren zum kontinuierlichen eintrag von sauerstoffhaltigen gasen in ein belebtschlammhaltiges abwasser

Publications (1)

Publication Number Publication Date
BE863791A true BE863791A (fr) 1978-08-09

Family

ID=6000637

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056669A BE863791A (fr) 1977-02-09 1978-02-09 Procede a une etape pour l'introduction en continu de gaz oxygenes dans des boues activees contenant des eaux residuaires

Country Status (12)

Country Link
JP (1) JPS5399659A (fr)
AT (1) AT356025B (fr)
AU (1) AU517718B2 (fr)
BE (1) BE863791A (fr)
CA (1) CA1106301A (fr)
CH (1) CH630046A5 (fr)
DE (1) DE2705243A1 (fr)
FR (1) FR2380226A1 (fr)
GB (1) GB1589190A (fr)
IN (1) IN148310B (fr)
IT (1) IT7847946A0 (fr)
NL (1) NL7801455A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG32191A1 (en) * 1980-07-11 1982-06-15 Kostadinov Method and apparatus for cultivation of aerobic microorganisms
US4461743A (en) * 1982-02-08 1984-07-24 Sterling Drug Inc. Oxygen injection nozzle for wet oxidation reactors
CS231837B1 (en) * 1982-07-30 1984-12-14 Svatopluk Mackrle Device for a biological water purification
DE3309834C2 (de) * 1983-03-18 1985-10-24 Anton 8206 Bruckmühl Humpel Vorrichtung zum Aufbereiten einer Flüssigkeit, insbesondere von Gülle
DE3344671C2 (de) * 1983-12-09 1986-08-14 Moser, Barbara, 8152 Feldkirchen-Westerham Verfahren und Vorrichtung zum Aufbereiten einer Flüssigkeit insbesondere von Gülle
FR2589460B1 (fr) * 1985-10-30 1991-02-15 Dodier Jacques Dispositif de traitement par injection hydrocinetique, notamment pour eaux residuaires
GB2189237B (en) * 1986-03-20 1990-06-13 Wessex Water Authority Anaerobic digester
JPS62170626U (fr) * 1986-04-17 1987-10-29
DE3737309A1 (de) * 1987-09-03 1989-03-16 Tecon Gmbh Anlage zur aeroben biologischen reinigung von schadstoffhaltigem wasser
FR2640524B1 (fr) * 1988-12-15 1991-05-03 Dodier Jacques Rene Injecteur-diffuseur engendrant des reactions physico-chimiques, ses applications en balneo-hydrotherapie et traitements des fluides
GB2471280B (en) * 2009-06-22 2011-08-31 Hydroventuri Ltd Apparatus and method for introducing a gas into a liquid
CN110565742A (zh) * 2019-08-22 2019-12-13 上海威派格智慧水务股份有限公司 一种无负压一体化供水设备
CN111389605A (zh) * 2020-04-17 2020-07-10 上海神舟精宜汽车制造有限公司 一种抑尘车喷嘴

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50127247U (fr) * 1974-04-02 1975-10-18
SE7602245L (sv) * 1975-03-22 1976-09-23 Bayer Ag Anordning for inforande av syrehaltiga gaser i avloppsvatten innehallande aktiverat slam

Also Published As

Publication number Publication date
GB1589190A (en) 1981-05-07
NL7801455A (nl) 1978-08-11
FR2380226B1 (fr) 1984-10-19
DE2705243A1 (de) 1978-08-17
ATA84778A (de) 1979-08-15
AU517718B2 (en) 1981-08-20
AT356025B (de) 1980-04-10
IT7847946A0 (it) 1978-02-07
CA1106301A (fr) 1981-08-04
CH630046A5 (en) 1982-05-28
AU3311978A (en) 1979-08-16
IN148310B (fr) 1981-01-10
JPS5399659A (en) 1978-08-31
FR2380226A1 (fr) 1978-09-08
JPS5726840B2 (fr) 1982-06-07

Similar Documents

Publication Publication Date Title
FR2348159A1 (fr) Procede de production d'une boue activee facilement decantable dans l'epuration des eaux residuaires
GB2024794B (en) Apparatus for activated sludge purification of waste water
BE863791A (fr) Procede a une etape pour l'introduction en continu de gaz oxygenes dans des boues activees contenant des eaux residuaires
BE829728A (fr) Installation pour l'epuration des eaux residuaires a l'aide de charbon active
FR2426651B1 (fr) Installation pour l'epuration anaerobie des eaux residuaires
BE884729A (fr) Procede d'epuration des eaux residuaires contenant des matieres colorantes
RO85421A (fr) Procede pour la preparation continue de l'ordure et/ou de la boue epaissee
BE829029A (fr) Procede pour l'epuration des eaux residuaires a l'aide de charbon active
BE835948A (fr) Procede de purification d'emulsions et d'eau contaminee, specialement d'eau contenant de l'huile, avec l'aide d'electrolyse.
BE817022A (fr) Appareillage pour l'introduction de gaz contenant de l'oxygene dans des eaux residuaires
FR2353491A1 (fr) Procede de purification d'eau contenant des sulfures a l'aide de peroxyde de chlore
FR2291946A1 (fr) Dispositif pour l'irradiation de boues d'eaux residuaires
BE855386A (fr) Traitement continu d'effluents liquides et d'eaux residuaires
BE851750A (fr) Procede pour la purification des eaux residuaires contenant des composes organiques de caractere anionique
BE852799A (fr) Procede pour recuperer des elements a valence variable a partir des eaux residuaires et pour purifier ces eaux
FR2303847A1 (fr) Procede pour la transformation de boues ou de boulettes de noir de fumee contenant de l'eau en un produit riche en carbone ne comportant que de faibles quantites de cendres, azote et soufre
FR2285349A1 (fr) Procede d'epuration biologique des eaux residuelles
BE881627A (fr) Procede pour perfectionner les techniques d'immersion des eaux de rejet contenant du tritium dans la mer
FR2516910B1 (fr) Installation pour l'epuration biologique d'eaux usees contenant du carbone et de l'azote
FR2376678B1 (fr) Procede et installation pour la concentration des eaux residuaires presentant une teneur en sel elevee
FR2299273A1 (fr) Procede de purification d'eaux residuaires contenant des composes organiques du type anionique
BE893482A (fr) Procede d'evacuation des boues d'eaux usees contenant des particules solides
FR2334634A1 (fr) Procede pour l'elimination de mercure d'eaux residuaires
BE816974A (fr) Corps d'immersion a egouttage pour l'epuration biologique d'eaux usinees
FR2633918B1 (fr) Electrolyseur pour epuration des eaux d'egouts

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19860228