FR2350305B1 - - Google Patents

Info

Publication number
FR2350305B1
FR2350305B1 FR7713510A FR7713510A FR2350305B1 FR 2350305 B1 FR2350305 B1 FR 2350305B1 FR 7713510 A FR7713510 A FR 7713510A FR 7713510 A FR7713510 A FR 7713510A FR 2350305 B1 FR2350305 B1 FR 2350305B1
Authority
FR
France
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
FR7713510A
Other languages
French (fr)
Other versions
FR2350305A1 (fr
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of FR2350305A1 publication Critical patent/FR2350305A1/fr
Application granted granted Critical
Publication of FR2350305B1 publication Critical patent/FR2350305B1/fr
Granted 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
    • 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
    • C02F3/145—Protection against aerosols
    • 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
    • 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
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy

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)
  • Physical Water Treatments (AREA)
FR7713510A 1976-05-06 1977-05-04 Dispositif et procede d'aeration des eaux residuaires Granted FR2350305A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU74888A LU74888A1 (xx) 1976-05-06 1976-05-06

Publications (2)

Publication Number Publication Date
FR2350305A1 FR2350305A1 (fr) 1977-12-02
FR2350305B1 true FR2350305B1 (xx) 1984-02-03

Family

ID=19728229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7713510A Granted FR2350305A1 (fr) 1976-05-06 1977-05-04 Dispositif et procede d'aeration des eaux residuaires

Country Status (16)

Country Link
JP (1) JPS52135566A (xx)
AT (1) AT351467B (xx)
AU (1) AU506979B2 (xx)
BE (1) BE854304A (xx)
CA (1) CA1093117A (xx)
CH (1) CH617870A5 (xx)
DD (1) DD130471A5 (xx)
DE (1) DE2720447A1 (xx)
ES (1) ES458506A1 (xx)
FR (1) FR2350305A1 (xx)
GB (1) GB1572838A (xx)
IT (1) IT1079647B (xx)
LU (1) LU74888A1 (xx)
NL (1) NL7704827A (xx)
SE (1) SE422455B (xx)
ZA (1) ZA772677B (xx)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH566806A5 (xx) * 1973-07-27 1975-09-30 Kolb Eugen Ag
NL7405628A (nl) * 1974-04-26 1975-10-28 Stamicarbon Werkwijze en inrichting voor het begassen van vloeistoffen.

Also Published As

Publication number Publication date
LU74888A1 (xx) 1977-12-02
ATA317577A (de) 1978-12-15
AU506979B2 (en) 1980-01-31
CH617870A5 (en) 1980-06-30
NL7704827A (nl) 1977-11-08
JPS52135566A (en) 1977-11-12
BE854304A (nl) 1977-11-07
SE422455B (sv) 1982-03-08
FR2350305A1 (fr) 1977-12-02
ZA772677B (en) 1978-04-26
DD130471A5 (de) 1978-04-05
IT1079647B (it) 1985-05-13
DE2720447A1 (de) 1977-11-24
GB1572838A (en) 1980-08-06
ES458506A1 (es) 1978-11-16
CA1093117A (en) 1981-01-06
AU2486877A (en) 1978-11-09
SE7705216L (sv) 1977-11-07
AT351467B (de) 1979-07-25

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Legal Events

Date Code Title Description
ST Notification of lapse