CH630046A5 - Method for the continuous entry of air or other oxygen-containing gases into an activated-sludge-containing wastewater or fermentation broths - Google Patents

Method for the continuous entry of air or other oxygen-containing gases into an activated-sludge-containing wastewater or fermentation broths Download PDF

Info

Publication number
CH630046A5
CH630046A5 CH137178A CH137178A CH630046A5 CH 630046 A5 CH630046 A5 CH 630046A5 CH 137178 A CH137178 A CH 137178A CH 137178 A CH137178 A CH 137178A CH 630046 A5 CH630046 A5 CH 630046A5
Authority
CH
Switzerland
Prior art keywords
gas
injector
oxygen
injectors
activated sludge
Prior art date
Application number
CH137178A
Other languages
German (de)
English (en)
Inventor
Marko Zlokarnik
Hans Guth
Theo Mann
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 CH630046A5 publication Critical patent/CH630046A5/de

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)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (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)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
CH137178A 1977-02-09 1978-02-07 Method for the continuous entry of air or other oxygen-containing gases into an activated-sludge-containing wastewater or fermentation broths CH630046A5 (en)

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
CH630046A5 true CH630046A5 (en) 1982-05-28

Family

ID=6000637

Family Applications (1)

Application Number Title Priority Date Filing Date
CH137178A CH630046A5 (en) 1977-02-09 1978-02-07 Method for the continuous entry of air or other oxygen-containing gases into an activated-sludge-containing wastewater or fermentation broths

Country Status (12)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085961A1 (en) * 1982-02-08 1983-08-17 Sterling Drug Inc. An oxygen injection nozzle
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

Families Citing this family (11)

* 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
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 (enExample) * 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
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 (enExample) * 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085961A1 (en) * 1982-02-08 1983-08-17 Sterling Drug Inc. An oxygen injection nozzle
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

Also Published As

Publication number Publication date
NL7801455A (nl) 1978-08-11
JPS5726840B2 (enExample) 1982-06-07
DE2705243A1 (de) 1978-08-17
BE863791A (fr) 1978-08-09
FR2380226B1 (enExample) 1984-10-19
JPS5399659A (en) 1978-08-31
CA1106301A (en) 1981-08-04
AT356025B (de) 1980-04-10
ATA84778A (de) 1979-08-15
IT7847946A0 (it) 1978-02-07
AU517718B2 (en) 1981-08-20
AU3311978A (en) 1979-08-16
FR2380226A1 (fr) 1978-09-08
IN148310B (enExample) 1981-01-10
GB1589190A (en) 1981-05-07

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