Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D13/00—Pumping installations or systems
  • F04D13/02—Units comprising pumps and their driving means
  • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
  • F04D13/066—Floating-units
• • 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
• • 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
  • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
  • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
• • 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
  • B01F33/50—Movable or transportable mixing devices or plants
  • B01F33/503—Floating mixing devices
• • 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

• Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Biodiversity & Conservation Biology (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Microbiology (AREA)
• Hydrology & Water Resources (AREA)
• Environmental & Geological Engineering (AREA)
• Water Supply & Treatment (AREA)
• Organic Chemistry (AREA)
• Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
• Ventilation (AREA)
• Biological Treatment Of Waste Water (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4388481

Family Applications (1)

Country Status (20)

Families Citing this family (13)

Family Cites Families (6)

• 0
  • BE BE788402D patent/BE788402A/xx unknown
• 1971
  • 1971-09-06 CH CH1301271A patent/CH529697A/de not_active IP Right Cessation
  • 1971-10-01 DE DE19712149047 patent/DE2149047B2/de active Granted
  • 1971-12-06 AT AT1045271A patent/AT308654B/de not_active IP Right Cessation
• 1972
  • 1972-09-05 US US28620672 patent/US3811662A/en not_active Expired - Lifetime
  • 1972-09-05 IL IL4030572A patent/IL40305A/xx unknown
  • 1972-09-05 IT IT1287472A patent/IT966620B/it active
  • 1972-09-05 FR FR7231427A patent/FR2152637B3/fr not_active Expired
  • 1972-09-06 HU HUKA001354 patent/HU169555B/hu unknown
  • 1972-09-06 JP JP8942872A patent/JPS5530920B2/ja not_active Expired
  • 1972-09-06 ES ES406447A patent/ES406447A1/es not_active Expired
  • 1972-09-06 NL NL7212125A patent/NL7212125A/xx not_active Application Discontinuation
  • 1972-09-06 BG BG021330A patent/BG20322A3/xx unknown
  • 1972-09-06 AU AU46379/72A patent/AU473051B2/en not_active Expired
  • 1972-09-06 PL PL1972157614A patent/PL78359B1/pl unknown
  • 1972-09-06 GB GB4133672A patent/GB1402457A/en not_active Expired
  • 1972-09-06 ZA ZA726100A patent/ZA726100B/xx unknown
  • 1972-09-06 CS CS609172A patent/CS161665B2/cs unknown
  • 1972-09-06 CA CA151,100A patent/CA956734A/en not_active Expired
  • 1972-09-06 SU SU1834051A patent/SU513592A3/ru active

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