GB2000038B - Apparatus for generating finely divided particulate bubbles in a liquid - Google Patents

Apparatus for generating finely divided particulate bubbles in a liquid

Info

Publication number
GB2000038B
GB2000038B GB7827805A GB7827805A GB2000038B GB 2000038 B GB2000038 B GB 2000038B GB 7827805 A GB7827805 A GB 7827805A GB 7827805 A GB7827805 A GB 7827805A GB 2000038 B GB2000038 B GB 2000038B
Authority
GB
United Kingdom
Prior art keywords
liquid
finely divided
divided particulate
generating finely
bubbles
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.)
Expired
Application number
GB7827805A
Other languages
English (en)
Other versions
GB2000038A (en
Inventor
Makoto Naito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB2000038A publication Critical patent/GB2000038A/en
Application granted granted Critical
Publication of GB2000038B publication Critical patent/GB2000038B/en
Expired legal-status Critical Current

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
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • 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
    • 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)
GB7827805A 1977-06-23 1978-06-23 Apparatus for generating finely divided particulate bubbles in a liquid Expired GB2000038B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977081742U JPS5643397Y2 (enrdf_load_stackoverflow) 1977-06-23 1977-06-23

Publications (2)

Publication Number Publication Date
GB2000038A GB2000038A (en) 1979-01-04
GB2000038B true GB2000038B (en) 1982-01-27

Family

ID=13754880

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7827805A Expired GB2000038B (en) 1977-06-23 1978-06-23 Apparatus for generating finely divided particulate bubbles in a liquid

Country Status (2)

Country Link
JP (1) JPS5643397Y2 (enrdf_load_stackoverflow)
GB (1) GB2000038B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI83482C (fi) * 1990-01-10 1991-07-25 Outokumpu Oy Saett och anordning foer matning av luft i flotationscell.
US5244097A (en) * 1990-01-10 1993-09-14 Outokumpu Oy Apparatus for feeding air into a flotation cell
SE517219C2 (sv) * 1991-04-17 2002-05-07 Bjoern Gudmundsson Sätt och anordning för värme eller massöverföring
US5660766A (en) * 1995-09-22 1997-08-26 Van Dyek; Bernhard Aerator
US8740193B2 (en) * 2008-05-23 2014-06-03 Thomas ST. LAWRENCE System for forming mini microbubbles
US20120067427A1 (en) * 2009-03-16 2012-03-22 Koslow Evan E Apparatus, systems and methods for mass transfer of gases into liquids

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB648546A (en) * 1943-07-06 1951-01-10 Nash Engineering Co Pumps
GB1037006A (en) * 1963-12-12 1966-07-20 Worthington Corp Single stage centrifugal compressor refrigeration system
GB1480021A (en) * 1974-03-25 1977-07-20 Mitsui Mining & Smelting Co Bubble-dispersing apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934063A (enrdf_load_stackoverflow) * 1972-07-31 1974-03-29

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB648546A (en) * 1943-07-06 1951-01-10 Nash Engineering Co Pumps
GB1037006A (en) * 1963-12-12 1966-07-20 Worthington Corp Single stage centrifugal compressor refrigeration system
GB1480021A (en) * 1974-03-25 1977-07-20 Mitsui Mining & Smelting Co Bubble-dispersing apparatus

Also Published As

Publication number Publication date
GB2000038A (en) 1979-01-04
JPS549973U (enrdf_load_stackoverflow) 1979-01-23
JPS5643397Y2 (enrdf_load_stackoverflow) 1981-10-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee