FR2130820A5 - Aerator/circulator - for activated sludge effluent treatment plant - Google Patents

Aerator/circulator - for activated sludge effluent treatment plant

Info

Publication number
FR2130820A5
FR2130820A5 FR7109966A FR7109966A FR2130820A5 FR 2130820 A5 FR2130820 A5 FR 2130820A5 FR 7109966 A FR7109966 A FR 7109966A FR 7109966 A FR7109966 A FR 7109966A FR 2130820 A5 FR2130820 A5 FR 2130820A5
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
FR7109966A
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.)
GIREJAN
Original Assignee
GIREJAN
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 GIREJAN filed Critical GIREJAN
Priority to FR7109966A priority Critical patent/FR2130820A5/en
Priority to ES400454A priority patent/ES400454A1/en
Priority to IT6774272A priority patent/IT953945B/en
Priority to DE19722212126 priority patent/DE2212126A1/en
Priority to BE780951A priority patent/BE780951A/en
Priority to LU64999D priority patent/LU64999A1/xx
Priority to DK129572AA priority patent/DK142841B/en
Priority to CA137,581*7A priority patent/CA957441A/en
Priority to NL7203754A priority patent/NL7203754A/xx
Priority to GB1334872A priority patent/GB1385358A/en
Application granted granted Critical
Publication of FR2130820A5 publication Critical patent/FR2130820A5/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)
  • Biological Treatment Of Waste Water (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (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.
FR7109966A 1971-03-22 1971-03-22 Aerator/circulator - for activated sludge effluent treatment plant Expired FR2130820A5 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7109966A FR2130820A5 (en) 1971-03-22 1971-03-22 Aerator/circulator - for activated sludge effluent treatment plant
ES400454A ES400454A1 (en) 1971-03-22 1972-03-04 Improvements in devices for biological deposition of wastewater. (Machine-translation by Google Translate, not legally binding)
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
GB1334872A GB1385358A (en) 1971-03-22 1972-03-22 Apparatus for the biological purification of waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7109966A FR2130820A5 (en) 1971-03-22 1971-03-22 Aerator/circulator - for activated sludge effluent treatment plant

Publications (1)

Publication Number Publication Date
FR2130820A5 true FR2130820A5 (en) 1972-11-10

Family

ID=9073911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7109966A Expired FR2130820A5 (en) 1971-03-22 1971-03-22 Aerator/circulator - for activated sludge effluent treatment plant

Country Status (2)

Country Link
ES (1) ES400454A1 (en)
FR (1) FR2130820A5 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490622A1 (en) * 1980-09-22 1982-03-26 Degremont HORIZONTAL AXIS AERATOR FOR WASTEWATER TREATMENT
EP0996497A1 (en) * 1997-07-16 2000-05-03 Battelle Memorial Institute Device and process for liquid treatment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490622A1 (en) * 1980-09-22 1982-03-26 Degremont HORIZONTAL AXIS AERATOR FOR WASTEWATER TREATMENT
EP0050532A1 (en) * 1980-09-22 1982-04-28 "DEGREMONT" Société dite: Aerator with horizontal shaft for the purification of waste waters
EP0996497A1 (en) * 1997-07-16 2000-05-03 Battelle Memorial Institute Device and process for liquid treatment
EP0996497A4 (en) * 1997-07-16 2001-08-29 Battelle Memorial Institute Device and process for liquid treatment

Also Published As

Publication number Publication date
ES400454A1 (en) 1974-12-16

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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