NL7108614A - - Google Patents

Info

Publication number
NL7108614A
NL7108614A NL7108614A NL7108614A NL7108614A NL 7108614 A NL7108614 A NL 7108614A NL 7108614 A NL7108614 A NL 7108614A NL 7108614 A NL7108614 A NL 7108614A NL 7108614 A NL7108614 A NL 7108614A
Authority
NL
Netherlands
Application number
NL7108614A
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 filed Critical
Priority to NL7108614A priority Critical patent/NL7108614A/xx
Priority to FR7221172A priority patent/FR2142989A1/fr
Priority to DE2229833A priority patent/DE2229833C3/en
Priority to CH928472A priority patent/CH553000A/en
Priority to IT6900672A priority patent/IT960441B/en
Priority to BE785172A priority patent/BE785172A/en
Priority to GB2932472A priority patent/GB1386258A/en
Publication of NL7108614A publication Critical patent/NL7108614A/xx

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
    • B01F23/233—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
    • B01F23/23312—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 conduit surrounding the 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
    • B01F23/2331—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
    • B01F23/23314—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 element
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
    • B01F33/4021—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements the gas being introduced through the shaft of the stirring element
    • 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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
NL7108614A 1971-06-22 1971-06-22 NL7108614A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL7108614A NL7108614A (en) 1971-06-22 1971-06-22
FR7221172A FR2142989A1 (en) 1971-06-22 1972-06-13
DE2229833A DE2229833C3 (en) 1971-06-22 1972-06-19 Device for gassing liquids
CH928472A CH553000A (en) 1971-06-22 1972-06-21 ROTATIONAL SYMMETRIC MIXER.
IT6900672A IT960441B (en) 1971-06-22 1972-06-21 AXIAL SYMMETRY MIXER TO PROMOTE THE TRANSFER OF MASS AND HEAT BETWEEN A GAS AND A LIQUID
BE785172A BE785172A (en) 1971-06-22 1972-06-21 ROTATIE-SYMMETRISCHE MENGER
GB2932472A GB1386258A (en) 1971-06-22 1972-06-22 Mixer for mixing a gas and a liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7108614A NL7108614A (en) 1971-06-22 1971-06-22

Publications (1)

Publication Number Publication Date
NL7108614A true NL7108614A (en) 1972-12-28

Family

ID=19813457

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7108614A NL7108614A (en) 1971-06-22 1971-06-22

Country Status (7)

Country Link
BE (1) BE785172A (en)
CH (1) CH553000A (en)
DE (1) DE2229833C3 (en)
FR (1) FR2142989A1 (en)
GB (1) GB1386258A (en)
IT (1) IT960441B (en)
NL (1) NL7108614A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925598A (en) * 1987-06-11 1990-05-15 Outokumpu Oy Aerator for industrial and domestic wastewaters
US5160459A (en) * 1990-11-27 1992-11-03 Claudio Guarnaschelli Fluid mixer

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922264C2 (en) * 1979-05-31 1984-09-27 Stelzer, Erwin, Ing.(Grad.), 3530 Warburg Gassing device
FR2517564B1 (en) * 1981-12-07 1987-02-27 Etude Tech Realisa Equip FAST FLOATING AERATION TURBINE, ESPECIALLY FOR WATER PURIFICATION
CN109433055A (en) * 2018-11-28 2019-03-08 济南和创医疗器械有限公司 A kind of high-efficiency self-cleaning agitating device
CN111701482A (en) * 2020-06-27 2020-09-25 苏波 Sewage detection and treatment device
CN114471314B (en) * 2021-12-28 2023-08-25 浙江永金生物科技有限公司 Washing and protecting two-in-one enzyme wool and cashmere laundry detergent and preparation device thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925598A (en) * 1987-06-11 1990-05-15 Outokumpu Oy Aerator for industrial and domestic wastewaters
US5160459A (en) * 1990-11-27 1992-11-03 Claudio Guarnaschelli Fluid mixer

Also Published As

Publication number Publication date
DE2229833C3 (en) 1975-03-06
FR2142989A1 (en) 1973-02-02
BE785172A (en) 1972-12-21
CH553000A (en) 1974-08-30
DE2229833B2 (en) 1974-07-04
GB1386258A (en) 1975-03-05
DE2229833A1 (en) 1973-01-11
IT960441B (en) 1973-11-20

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