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)
• Structures Of Non-Positive Displacement Pumps (AREA)
• Mixers Of The Rotary Stirring Type (AREA)
• Dry Development In Electrophotography (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4382655

Family Applications (1)

Country Status (19)

Families Citing this family (7)

Family Cites Families (5)

• 1975
  • 1975-09-24 CH CH1240175A patent/CH591278A5/xx not_active IP Right Cessation
  • 1975-12-30 DE DE2559170A patent/DE2559170C2/de not_active Expired
• 1976
  • 1976-09-20 IE IE2075/76A patent/IE43724B1/en unknown
  • 1976-09-20 NL NL7610424A patent/NL7610424A/xx not_active Application Discontinuation
  • 1976-09-21 EG EG57376A patent/EG12940A/xx active
  • 1976-09-21 ZA ZA765661A patent/ZA765661B/xx unknown
  • 1976-09-21 AT AT700576A patent/AT343063B/de not_active IP Right Cessation
  • 1976-09-22 CS CS613876A patent/CS189034B2/cs unknown
  • 1976-09-22 AU AU17999/76A patent/AU1799976A/en not_active Expired
  • 1976-09-22 IT IT960076A patent/IT1075245B/it active
  • 1976-09-23 GB GB39454/76A patent/GB1559868A/en not_active Expired
  • 1976-09-23 PL PL1976192599A patent/PL110638B1/pl unknown
  • 1976-09-23 FR FR7628669A patent/FR2325610A1/fr not_active Withdrawn
  • 1976-09-23 ES ES451802A patent/ES451802A1/es not_active Expired
  • 1976-09-24 BR BR7606400A patent/BR7606400A/pt unknown
  • 1976-09-24 MX MX10038576U patent/MX3697E/es unknown
  • 1976-09-24 JP JP11458376A patent/JPS5241446A/ja active Granted
  • 1976-09-24 DD DD19498276A patent/DD126165A5/xx unknown
  • 1976-09-24 TR TR1949976A patent/TR19499A/xx unknown

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