HK47776A - Improvements in or relating to aerators - Google Patents

Improvements in or relating to aerators

Info

Publication number
HK47776A
HK47776A HK47776A HK47776A HK47776A HK 47776 A HK47776 A HK 47776A HK 47776 A HK47776 A HK 47776A HK 47776 A HK47776 A HK 47776A HK 47776 A HK47776 A HK 47776A
Authority
HK
Hong Kong
Prior art keywords
aerators
relating
Prior art date
Application number
HK47776A
Original Assignee
Hartley Simon Ltd
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 Hartley Simon Ltd filed Critical Hartley Simon Ltd
Publication of HK47776A publication Critical patent/HK47776A/en

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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
HK47776A 1973-05-09 1976-07-22 Improvements in or relating to aerators HK47776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2206873A GB1402400A (en) 1973-05-09 1973-05-09 Aerators

Publications (1)

Publication Number Publication Date
HK47776A true HK47776A (en) 1976-07-30

Family

ID=10173378

Family Applications (1)

Application Number Title Priority Date Filing Date
HK47776A HK47776A (en) 1973-05-09 1976-07-22 Improvements in or relating to aerators

Country Status (2)

Country Link
GB (1) GB1402400A (en)
HK (1) HK47776A (en)

Families Citing this family (5)

* 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
US4163631A (en) * 1977-08-17 1979-08-07 Philadelphia Gear Corporation Surface aerator impeller
US4334826A (en) * 1977-08-17 1982-06-15 Connolly John R Surface aerator impeller
US4249863A (en) * 1979-04-09 1981-02-10 Philadelphia Gear Corporation Surface aerator impeller
CN110921864B (en) * 2019-12-24 2024-04-12 上海莫渊环境工程科技有限公司 High-efficiency aerator

Also Published As

Publication number Publication date
GB1402400A (en) 1975-08-06

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