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
  • B01F23/2334—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
• • C—CHEMISTRY; METALLURGY
  • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
  • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
  • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
  • C12M27/18—Flow directing inserts
  • C12M27/24—Draft tube
• • C—CHEMISTRY; METALLURGY
  • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
  • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
  • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
  • C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
• • 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)
• Organic Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Zoology (AREA)
• Wood Science & Technology (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Health & Medical Sciences (AREA)
• Microbiology (AREA)
• Biomedical Technology (AREA)
• General Health & Medical Sciences (AREA)
• Genetics & Genomics (AREA)
• General Engineering & Computer Science (AREA)
• Biotechnology (AREA)
• Sustainable Development (AREA)
• Biochemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Biodiversity & Conservation Biology (AREA)
• Hydrology & Water Resources (AREA)
• Water Supply & Treatment (AREA)
• Environmental & Geological Engineering (AREA)
• Apparatus Associated With Microorganisms And Enzymes (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)
• Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=25720520

Family Applications (1)

Country Status (12)

Cited By (1)

Families Citing this family (6)

Citations (3)

• 1974
  • 1974-11-15 SE SE7414369A patent/SE408449B/xx unknown
  • 1974-11-26 FI FI3423/74A patent/FI60506C/fi active
  • 1974-12-13 IT IT3052174A patent/IT1054190B/it active
  • 1974-12-16 GB GB5430474A patent/GB1459054A/en not_active Expired
  • 1974-12-17 DE DE2459710A patent/DE2459710C3/de not_active Expired
  • 1974-12-18 FR FR7442800A patent/FR2255095B2/fr not_active Expired
  • 1974-12-18 DD DD18315674A patent/DD116005A5/xx unknown
  • 1974-12-20 ES ES433223A patent/ES433223A2/es not_active Expired
  • 1974-12-20 SU SU2087487A patent/SU557761A3/ru active
  • 1974-12-20 AT AT1022974A patent/AT331194B/de not_active IP Right Cessation
  • 1974-12-20 CS CS882274A patent/CS186279B2/cs unknown
  • 1974-12-20 JP JP14668374A patent/JPS5549532B2/ja not_active Expired

Patent Citations (3)

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