JPS5636998B2 - - Google Patents

Info

Publication number
JPS5636998B2
JPS5636998B2 JP1213774A JP1213774A JPS5636998B2 JP S5636998 B2 JPS5636998 B2 JP S5636998B2 JP 1213774 A JP1213774 A JP 1213774A JP 1213774 A JP1213774 A JP 1213774A JP S5636998 B2 JPS5636998 B2 JP S5636998B2
Authority
JP
Japan
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
JP1213774A
Other versions
JPS49105361A (ja
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 filed Critical
Publication of JPS49105361A publication Critical patent/JPS49105361A/ja
Publication of JPS5636998B2 publication Critical patent/JPS5636998B2/ja
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
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1257—Oxidation ditches
    • 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
    • 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
    • B01F23/2341—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere
    • B01F23/23413—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere using nozzles for projecting the liquid into the gas atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • 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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • 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)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Activated Sludge Processes (AREA)
JP1213774A 1973-01-29 1974-01-29 Expired JPS5636998B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7301201.A NL163196C (nl) 1973-01-29 1973-01-29 Werkwijze voor het beluchten van afvalwater.

Publications (2)

Publication Number Publication Date
JPS49105361A JPS49105361A (ja) 1974-10-05
JPS5636998B2 true JPS5636998B2 (ja) 1981-08-27

Family

ID=19818099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1213774A Expired JPS5636998B2 (ja) 1973-01-29 1974-01-29

Country Status (15)

Country Link
JP (1) JPS5636998B2 (ja)
AT (1) AT335929B (ja)
BE (1) BE810276A (ja)
CA (1) CA1014283A (ja)
CH (1) CH575886A5 (ja)
DD (1) DD110028A5 (ja)
DE (1) DE2404198C3 (ja)
ES (1) ES422681A1 (ja)
FR (1) FR2215398B1 (ja)
GB (1) GB1458302A (ja)
IT (1) IT1002785B (ja)
NL (1) NL163196C (ja)
SE (1) SE8000075L (ja)
SU (1) SU733514A3 (ja)
ZA (1) ZA74565B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0162897U (ja) * 1987-10-14 1989-04-21

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202762A (en) * 1973-01-29 1980-05-13 Stamicarbon, B.V. Process and device for the aeration of waste water
US4306968A (en) * 1978-10-10 1981-12-22 Mcneil Corporation Sewage treatment system
JP3829472B2 (ja) * 1998-04-27 2006-10-04 ブラザー工業株式会社 ミシンの縫針保持装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0162897U (ja) * 1987-10-14 1989-04-21

Also Published As

Publication number Publication date
FR2215398B1 (ja) 1979-04-06
NL7301201A (ja) 1974-07-31
DE2404198A1 (de) 1974-08-01
SE8000075L (sv) 1980-01-04
CA1014283A (en) 1977-07-19
ZA74565B (en) 1974-11-27
FR2215398A1 (ja) 1974-08-23
JPS49105361A (ja) 1974-10-05
NL163196C (nl) 1980-08-15
CH575886A5 (ja) 1976-05-31
GB1458302A (en) 1976-12-15
NL163196B (nl) 1980-03-17
BE810276A (fr) 1974-07-29
IT1002785B (it) 1976-05-20
DE2404198C3 (de) 1979-04-05
DD110028A5 (ja) 1974-12-05
ATA62674A (de) 1976-07-15
SU733514A3 (ru) 1980-05-05
AU6497274A (en) 1975-07-31
AT335929B (de) 1977-04-12
DE2404198B2 (de) 1978-08-10
ES422681A1 (es) 1976-04-01

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