FI76061C - Foerfarande foer avlaegsning eller foerhindrande av igensaettning i bottenluftare vid vattenbehandling och avloppsvattenbehandling under driftbetingelsen. - Google Patents

Foerfarande foer avlaegsning eller foerhindrande av igensaettning i bottenluftare vid vattenbehandling och avloppsvattenbehandling under driftbetingelsen. Download PDF

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Publication number
FI76061C
FI76061C FI833316A FI833316A FI76061C FI 76061 C FI76061 C FI 76061C FI 833316 A FI833316 A FI 833316A FI 833316 A FI833316 A FI 833316A FI 76061 C FI76061 C FI 76061C
Authority
FI
Finland
Prior art keywords
aerators
formic acid
wastewater treatment
procedure
during operation
Prior art date
Application number
FI833316A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI76061B (fi
FI833316A (fi
FI833316A0 (fi
Inventor
Ulrich Bretscher
Original Assignee
Airam Ab Oy
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 Airam Ab Oy filed Critical Airam Ab Oy
Publication of FI833316A0 publication Critical patent/FI833316A0/fi
Publication of FI833316A publication Critical patent/FI833316A/fi
Publication of FI76061B publication Critical patent/FI76061B/fi
Application granted granted Critical
Publication of FI76061C publication Critical patent/FI76061C/fi

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)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Treating Waste Gases (AREA)
  • Physical Water Treatments (AREA)
  • Activated Sludge Processes (AREA)
  • Biological Treatment Of Waste Water (AREA)
FI833316A 1982-09-16 1983-09-16 Foerfarande foer avlaegsning eller foerhindrande av igensaettning i bottenluftare vid vattenbehandling och avloppsvattenbehandling under driftbetingelsen. FI76061C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5493/82A CH658044A5 (de) 1982-09-16 1982-09-16 Verfahren zur beseitigung bzw. verhinderung von verstopfungen in tiefenbelueftern bei der wasseraufbereitung und abwasserbehandlung unter betriebsbedingungen.
CH549382 1982-09-16

Publications (4)

Publication Number Publication Date
FI833316A0 FI833316A0 (fi) 1983-09-16
FI833316A FI833316A (fi) 1984-03-17
FI76061B FI76061B (fi) 1988-05-31
FI76061C true FI76061C (fi) 1989-05-30

Family

ID=4294516

Family Applications (1)

Application Number Title Priority Date Filing Date
FI833316A FI76061C (fi) 1982-09-16 1983-09-16 Foerfarande foer avlaegsning eller foerhindrande av igensaettning i bottenluftare vid vattenbehandling och avloppsvattenbehandling under driftbetingelsen.

Country Status (10)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545194A1 (de) * 1985-12-20 1987-07-02 Sennheiser Electronic Optoelektronisches sende-empfangsgeraet
US5140203A (en) * 1988-09-27 1992-08-18 Mannesmann Rexroth Gmbh Control motor for a servo-valve
DE19952135A1 (de) * 1999-10-29 2001-06-13 Messer Griesheim Gmbh Verfahren zur Behandlung von Abwasser
AT411359B (de) * 2002-01-17 2003-12-29 Frey Wilhelm Reinigungsverfahren und reinigungsflüssigkeit für belüfterkörper
CN115417492B (zh) * 2022-08-30 2023-06-20 同济大学建筑设计研究院(集团)有限公司 基于水下视觉的高级氧化系统及控制方法

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 (fr) * 1979-11-12 1981-05-22 Solitaire Produits Entretien F Produit de detartrage et de nettoyage en particulier de surfaces en faience emaillee telles que des cuvettes de w.c.
JPS57117397A (en) * 1980-09-11 1982-07-21 Sterling Drug Inc Method of removing scale from tile for deffusion of waste water disposal device
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
GB2130570B (en) 1986-09-17
FR2533207A1 (fr) 1984-03-23
DE3333602A1 (de) 1984-03-22
CH658044A5 (de) 1986-10-15
FR2533207B1 (fr) 1986-09-19
FI76061B (fi) 1988-05-31
SE8304939L (sv) 1984-03-17
DE3333602C2 (de) 1991-06-06
CS248709B2 (en) 1987-02-12
ATA331083A (de) 1990-07-15
CA1203328A (en) 1986-04-15
GB2130570A (en) 1984-06-06
FI833316A (fi) 1984-03-17
FI833316A0 (fi) 1983-09-16
AT392061B (de) 1991-01-25
IT1170498B (it) 1987-06-03
IT8348981A0 (it) 1983-09-15
SE8304939D0 (sv) 1983-09-14
GB8324649D0 (en) 1983-10-19

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