FR2165050A6 - Aerator/circulator - for activated sludge effluent treatment plant - Google Patents

Aerator/circulator - for activated sludge effluent treatment plant

Info

Publication number
FR2165050A6
FR2165050A6 FR7145103A FR7145103A FR2165050A6 FR 2165050 A6 FR2165050 A6 FR 2165050A6 FR 7145103 A FR7145103 A FR 7145103A FR 7145103 A FR7145103 A FR 7145103A FR 2165050 A6 FR2165050 A6 FR 2165050A6
Authority
FR
France
Prior art keywords
aerator
circulator
treatment plant
activated sludge
effluent treatment
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
FR7145103A
Other languages
French (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.)
GIERJAN
Original Assignee
GIERJAN
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 GIERJAN filed Critical GIERJAN
Priority to FR7145103A priority Critical patent/FR2165050A6/en
Priority to IT6774272A priority patent/IT953945B/en
Priority to DE19722212126 priority patent/DE2212126A1/en
Priority to CA137,581*7A priority patent/CA957441A/en
Priority to BE780951A priority patent/BE780951A/en
Priority to LU64999D priority patent/LU64999A1/xx
Priority to DK129572AA priority patent/DK142841B/en
Priority to NL7203754A priority patent/NL7203754A/xx
Priority to AU40211/72A priority patent/AU4021172A/en
Priority to GB1334872A priority patent/GB1385358A/en
Priority to JP8591572A priority patent/JPS4865764A/ja
Priority to BR755472A priority patent/BR7207554D0/en
Application granted granted Critical
Publication of FR2165050A6 publication Critical patent/FR2165050A6/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
    • C02F3/14—Activated sludge processes using surface aeration
    • C02F3/18—Activated sludge processes using surface aeration the aerator having a horizontal axis
    • 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
    • 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)
  • Biological Treatment Of Waste Water (AREA)

Abstract

Appts. for the biological purification of effluent, having a rotor with peripheral blades and installed near the surface of the water so that the tops of the blades dip therein, but modified so that it contains at least one rotor the blades on the periphery of which form at least one discontinuous helical flight.
FR7145103A 1971-03-22 1971-12-15 Aerator/circulator - for activated sludge effluent treatment plant Expired FR2165050A6 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FR7145103A FR2165050A6 (en) 1971-12-15 1971-12-15 Aerator/circulator - for activated sludge effluent treatment plant
IT6774272A IT953945B (en) 1971-03-22 1972-03-09 DEVICE FOR BIOLOGICAL PURIFICATION OF WASTE WATER
DE19722212126 DE2212126A1 (en) 1971-03-22 1972-03-13 Device for biological wastewater treatment
BE780951A BE780951A (en) 1971-03-22 1972-03-20 WASTEWATER BIOLOGICAL TREATMENT DEVICE
LU64999D LU64999A1 (en) 1971-03-22 1972-03-20
DK129572AA DK142841B (en) 1971-03-22 1972-03-20 Biological wastewater treatment apparatus, comprising a horizontal shaft rotor.
CA137,581*7A CA957441A (en) 1971-03-22 1972-03-20 Dispositif d'epuration biologique des eaux usees
NL7203754A NL7203754A (en) 1971-03-22 1972-03-21
AU40211/72A AU4021172A (en) 1971-12-15 1972-03-21 Apparatus forthe biological purification of wastewater
GB1334872A GB1385358A (en) 1971-03-22 1972-03-22 Apparatus for the biological purification of waste water
JP8591572A JPS4865764A (en) 1971-12-15 1972-08-29
BR755472A BR7207554D0 (en) 1971-12-15 1972-10-27 USED WATER PURIFICATION DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7145103A FR2165050A6 (en) 1971-12-15 1971-12-15 Aerator/circulator - for activated sludge effluent treatment plant

Publications (1)

Publication Number Publication Date
FR2165050A6 true FR2165050A6 (en) 1973-08-03

Family

ID=9087534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7145103A Expired FR2165050A6 (en) 1971-03-22 1971-12-15 Aerator/circulator - for activated sludge effluent treatment plant

Country Status (4)

Country Link
JP (1) JPS4865764A (en)
AU (1) AU4021172A (en)
BR (1) BR7207554D0 (en)
FR (1) FR2165050A6 (en)

Also Published As

Publication number Publication date
BR7207554D0 (en) 1973-09-20
AU4021172A (en) 1973-09-27
JPS4865764A (en) 1973-09-10

Similar Documents

Publication Publication Date Title
AU451295B2 (en) Processes for reducing the organic-carbon content of water contaminated with organic compounds by continuous coutercurrent multistage treatment with activated carbon
YU132869A (en) Surface aerator for mixing and ventilating liquids, particularly for plants for waste-water purification
FR2130820A5 (en) Aerator/circulator - for activated sludge effluent treatment plant
CH531991A (en) Single-tank sewage treatment plant
IE36617B1 (en) A plant for purifying sewage
FR2165050A6 (en) Aerator/circulator - for activated sludge effluent treatment plant
CA1003128A (en) Combined apparatus for the biological purification of waste waters
CA989984A (en) Integral circular wastewater treatment plant
CH489436A (en) Sewage treatment plant for the biological treatment of intermittently flowing wastewater using the activated sludge process
NL174821C (en) METHOD FOR THE BIOLOGICAL PURIFICATION OF WATER.
CA1028278A (en) Process for the purification of the waste waters
FR2084153A5 (en) Rotor for aeration and circulation of effluent
FR2238675A1 (en) Biological purificn of waste water and sewage - in one stage by algal and bacterial symbiosis
Flournoy The effect of lime treatment of sewage on oxygen uptake by activated solids
FR2031412A1 (en) Basin for activated sludge sewage treatment
BE761687R (en) Water distillation appts
FR2059001A5 (en) Water preparation and purifying plant
FR2140547A1 (en) Surface aerator - with variable outlet area
FR2202041A1 (en) Sewage treatment activation tank - allows non-decantable matter to be retained in the tank
FR2276268A1 (en) Oil-contg waste water treatment - with activated sludge and addn of mineral oil- hydrocarbon pref kerosene or naphtha
NO152970C (en) DEVICE FOR RAW WATER TREATMENT, FOR EXAMPLE SURFACE WATER OR WASTE WATER.
GB1129055A (en) Method and means for purifying sewage and like water-borne wastes
ES421776A1 (en) Sewage treatment vats
AT275434B (en) Biological sewage treatment plant based on the activated sludge process
GB1358244A (en) Process and apparatus for sewage treatment and waste-water re clamation

Legal Events

Date Code Title Description
CL Concession to grant licences
CD Change of name or company name
TP Transmission of property
CD Change of name or company name
TP Transmission of property