AU515052B2 - Process and apparatus for biologically treating wastewater - Google Patents

Process and apparatus for biologically treating wastewater

Info

Publication number
AU515052B2
AU515052B2 AU29414/77A AU2941477A AU515052B2 AU 515052 B2 AU515052 B2 AU 515052B2 AU 29414/77 A AU29414/77 A AU 29414/77A AU 2941477 A AU2941477 A AU 2941477A AU 515052 B2 AU515052 B2 AU 515052B2
Authority
AU
Australia
Prior art keywords
treating wastewater
biologically treating
biologically
wastewater
treating
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
AU29414/77A
Other versions
AU2941477A (en
Inventor
G. Lee R. G. H. and Homsey D Savard
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.)
Canadian Liquid Air Ltd
Original Assignee
Air Liquide Canada Inc
Canadian Liquid Air 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 Air Liquide Canada Inc, Canadian Liquid Air Ltd filed Critical Air Liquide Canada Inc
Publication of AU2941477A publication Critical patent/AU2941477A/en
Application granted granted Critical
Publication of AU515052B2 publication Critical patent/AU515052B2/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
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
    • 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
    • B01F23/23341—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 with tubes surrounding the stirrer
    • 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
    • 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
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/223—Activated sludge processes using circulation pipes using "air-lift"
    • 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
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/226—"Deep shaft" processes
    • 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)
  • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Activated Sludge Processes (AREA)
AU29414/77A 1976-10-07 1977-10-06 Process and apparatus for biologically treating wastewater Expired AU515052B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73047876A 1976-10-07 1976-10-07
USUS730478 1976-10-07

Publications (2)

Publication Number Publication Date
AU2941477A AU2941477A (en) 1979-04-12
AU515052B2 true AU515052B2 (en) 1981-03-12

Family

ID=24935524

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29414/77A Expired AU515052B2 (en) 1976-10-07 1977-10-06 Process and apparatus for biologically treating wastewater

Country Status (8)

Country Link
JP (1) JPS5835118B2 (en)
AU (1) AU515052B2 (en)
BE (1) BE859489A (en)
DE (1) DE2745312A1 (en)
FR (1) FR2367024A1 (en)
GB (1) GB1584065A (en)
IT (1) IT1088855B (en)
NL (1) NL7711035A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028336C2 (en) * 1980-07-25 1985-08-01 Wilhelm Roediger Gmbh + Co, 6450 Hanau Process for the biological purification of waste water

Also Published As

Publication number Publication date
BE859489A (en) 1978-04-07
FR2367024B1 (en) 1982-11-12
DE2745312A1 (en) 1978-04-13
JPS5835118B2 (en) 1983-07-30
NL7711035A (en) 1978-04-11
FR2367024A1 (en) 1978-05-05
AU2941477A (en) 1979-04-12
IT1088855B (en) 1985-06-10
JPS5346166A (en) 1978-04-25
GB1584065A (en) 1981-02-04

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