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FR2533207B1 - PROCESS FOR THE ELIMINATION OR THE PREVENTION OF CLOGGING IN FUND AERATORS IN THE TREATMENT OF WATER AND THE TREATMENT OF WASTEWATER IN OPERATING CONDITIONS - Google Patents

PROCESS FOR THE ELIMINATION OR THE PREVENTION OF CLOGGING IN FUND AERATORS IN THE TREATMENT OF WATER AND THE TREATMENT OF WASTEWATER IN OPERATING CONDITIONS

Info

Publication number
FR2533207B1
FR2533207B1 FR8314760A FR8314760A FR2533207B1 FR 2533207 B1 FR2533207 B1 FR 2533207B1 FR 8314760 A FR8314760 A FR 8314760A FR 8314760 A FR8314760 A FR 8314760A FR 2533207 B1 FR2533207 B1 FR 2533207B1
Authority
FR
France
Prior art keywords
treatment
aerators
fund
clogging
wastewater
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
FR8314760A
Other languages
French (fr)
Other versions
FR2533207A1 (en
Inventor
Ulrich Bretscher
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of FR2533207A1 publication Critical patent/FR2533207A1/en
Application granted granted Critical
Publication of FR2533207B1 publication Critical patent/FR2533207B1/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
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Treating Waste Gases (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Physical Water Treatments (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Activated Sludge Processes (AREA)
FR8314760A 1982-09-16 1983-09-16 PROCESS FOR THE ELIMINATION OR THE PREVENTION OF CLOGGING IN FUND AERATORS IN THE TREATMENT OF WATER AND THE TREATMENT OF WASTEWATER IN OPERATING CONDITIONS Expired FR2533207B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5493/82A CH658044A5 (en) 1982-09-16 1982-09-16 METHOD FOR REMOVAL OR PREVENTING CLOGS IN DEEP AERATORS IN WATER TREATMENT AND WATER TREATMENT UNDER OPERATING CONDITIONS.

Publications (2)

Publication Number Publication Date
FR2533207A1 FR2533207A1 (en) 1984-03-23
FR2533207B1 true FR2533207B1 (en) 1986-09-19

Family

ID=4294516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8314760A Expired FR2533207B1 (en) 1982-09-16 1983-09-16 PROCESS FOR THE ELIMINATION OR THE PREVENTION OF CLOGGING IN FUND AERATORS IN THE TREATMENT OF WATER AND THE TREATMENT OF WASTEWATER IN OPERATING CONDITIONS

Country Status (10)

Country Link
AT (1) AT392061B (en)
CA (1) CA1203328A (en)
CH (1) CH658044A5 (en)
CS (1) CS248709B2 (en)
DE (1) DE3333602A1 (en)
FI (1) FI76061C (en)
FR (1) FR2533207B1 (en)
GB (1) GB2130570B (en)
IT (1) IT1170498B (en)
SE (1) SE8304939L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545194A1 (en) * 1985-12-20 1987-07-02 Sennheiser Electronic Opto-electronic transceiver
US5140203A (en) * 1988-09-27 1992-08-18 Mannesmann Rexroth Gmbh Control motor for a servo-valve
DE19952135A1 (en) * 1999-10-29 2001-06-13 Messer Griesheim Gmbh Waste water treatment process
AT411359B (en) * 2002-01-17 2003-12-29 Frey Wilhelm CLEANING PROCEDURE AND CLEANING LIQUID FOR FAN BODY
CN115417492B (en) * 2022-08-30 2023-06-20 同济大学建筑设计研究院(集团)有限公司 Advanced oxidation system based on underwater vision and control method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686138A (en) * 1951-09-15 1954-08-10 Chicago Pump Co Method for cleaning diffuser plates
GB1281334A (en) * 1968-08-01 1972-07-12 British Steel Corp Biological purification of coke oven effluent
US4199469A (en) * 1978-06-21 1980-04-22 Feldmann Chemie Composition and method for cleaning drinking water tanks
FR2469450A1 (en) * 1979-11-12 1981-05-22 Solitaire Produits Entretien F Aq. aerosol descaling and cleaning compsn. - contg. organic acid, surfactant, gelling agent and hygroscopic agent
ES8205588A1 (en) * 1980-09-11 1982-06-16 Sterling Drug Inc Removal of scale from porous diffusion tiles.
US4382867A (en) * 1980-09-29 1983-05-10 Water Pollution Control Corp In place gas cleaning of diffusion elements

Also Published As

Publication number Publication date
IT1170498B (en) 1987-06-03
CA1203328A (en) 1986-04-15
IT8348981A1 (en) 1985-03-15
IT8348981A0 (en) 1983-09-15
CS248709B2 (en) 1987-02-12
SE8304939D0 (en) 1983-09-14
FR2533207A1 (en) 1984-03-23
FI76061C (en) 1989-05-30
DE3333602C2 (en) 1991-06-06
GB2130570B (en) 1986-09-17
FI833316A0 (en) 1983-09-16
AT392061B (en) 1991-01-25
FI76061B (en) 1988-05-31
GB2130570A (en) 1984-06-06
ATA331083A (en) 1990-07-15
CH658044A5 (en) 1986-10-15
FI833316L (en) 1984-03-17
DE3333602A1 (en) 1984-03-22
GB8324649D0 (en) 1983-10-19
SE8304939L (en) 1984-03-17

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse
ST Notification of lapse