GB1403766A - Apparatus for surface aeration of liquids - Google Patents

Apparatus for surface aeration of liquids

Info

Publication number
GB1403766A
GB1403766A GB5367972A GB5367972A GB1403766A GB 1403766 A GB1403766 A GB 1403766A GB 5367972 A GB5367972 A GB 5367972A GB 5367972 A GB5367972 A GB 5367972A GB 1403766 A GB1403766 A GB 1403766A
Authority
GB
United Kingdom
Prior art keywords
rotor
blades
stationary blade
nov
cutting edge
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
GB5367972A
Other languages
English (en)
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 GB1403766A publication Critical patent/GB1403766A/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
    • C02F3/14—Activated sludge processes using surface aeration
    • C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical 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
    • B01F23/234—Surface aerating
    • B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
    • B01F23/23421—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force the stirrers rotating about a vertical axis
    • B01F23/234211—Stirrers thereof
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Knives (AREA)
GB5367972A 1971-11-23 1972-11-21 Apparatus for surface aeration of liquids Expired GB1403766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1704571A CH531468A (de) 1971-11-23 1971-11-23 Oberflächenbelüftungskreisel

Publications (1)

Publication Number Publication Date
GB1403766A true GB1403766A (en) 1975-08-28

Family

ID=4422326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5367972A Expired GB1403766A (en) 1971-11-23 1972-11-21 Apparatus for surface aeration of liquids

Country Status (23)

Country Link
JP (1) JPS5548879B2 (no)
AT (1) AT308655B (no)
AU (1) AU472406B2 (no)
BE (1) BE791671A (no)
BG (1) BG19119A3 (no)
CA (1) CA979124A (no)
CH (1) CH531468A (no)
CS (1) CS168011B2 (no)
DD (1) DD100230A5 (no)
DE (1) DE2163100B2 (no)
ES (1) ES408881A1 (no)
FR (1) FR2160922B1 (no)
GB (1) GB1403766A (no)
HU (1) HU166247B (no)
IE (1) IE37190B1 (no)
IL (1) IL40885A (no)
IT (1) IT969208B (no)
LU (1) LU66515A1 (no)
NL (1) NL7215871A (no)
NO (1) NO133324C (no)
PL (1) PL78763B1 (no)
RO (1) RO60379A (no)
ZA (1) ZA728240B (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009045924A1 (en) * 2007-10-01 2009-04-09 Intematix Corporation Light emitting devices with phosphor wavelength conversion and methods of fabrication thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1502742A (en) * 1976-01-10 1978-03-01 Hartley Simon Ltd Rotary surface aerators
JPS536899U (no) * 1976-07-06 1978-01-21
DE4221845C2 (de) * 1992-07-03 1996-02-22 Sondia Holding Ag Verfahren zum Belüften von Flüssigkeit, Oberflächenbelüftungskreisel zur Durchführung des Verfahrens und Verwendung des Oberflächenbelüftungskreisels
CH685761A5 (de) * 1992-07-03 1995-09-29 Sondia Holding Ag Verfahren zum Belüften von Flüssigkeit, Oberflächenbelüftungskreisel zur Durchführung des Verfahrens und Verwendung des Oberflächenbelüftungskreisels.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009045924A1 (en) * 2007-10-01 2009-04-09 Intematix Corporation Light emitting devices with phosphor wavelength conversion and methods of fabrication thereof

Also Published As

Publication number Publication date
AT308655B (de) 1973-07-10
BG19119A3 (bg) 1975-04-30
IL40885A0 (en) 1973-01-30
DE2163100A1 (de) 1973-05-24
LU66515A1 (no) 1973-02-01
FR2160922B1 (no) 1978-03-03
NO133324C (no) 1976-04-12
CA979124A (en) 1975-12-02
IE37190L (en) 1973-05-23
CS168011B2 (no) 1976-05-28
RO60379A (no) 1976-05-15
JPS4863554A (no) 1973-09-04
ZA728240B (en) 1973-07-25
IE37190B1 (en) 1977-05-25
AU4911572A (en) 1974-05-23
IT969208B (it) 1974-03-30
PL78763B1 (no) 1975-06-30
JPS5548879B2 (no) 1980-12-09
ES408881A1 (es) 1975-10-01
NL7215871A (no) 1973-05-25
FR2160922A1 (no) 1973-07-06
AU472406B2 (en) 1976-05-27
DD100230A5 (no) 1973-09-12
CH531468A (de) 1972-12-15
HU166247B (no) 1975-02-28
BE791671A (fr) 1973-03-16
NO133324B (no) 1976-01-05
DE2163100B2 (de) 1975-09-11
IL40885A (en) 1975-07-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee