CS248709B2 - Removing or preventing method of choking of the depth aerators - Google Patents

Removing or preventing method of choking of the depth aerators Download PDF

Info

Publication number
CS248709B2
CS248709B2 CS836781A CS678183A CS248709B2 CS 248709 B2 CS248709 B2 CS 248709B2 CS 836781 A CS836781 A CS 836781A CS 678183 A CS678183 A CS 678183A CS 248709 B2 CS248709 B2 CS 248709B2
Authority
CS
Czechoslovakia
Prior art keywords
aerators
formic acid
acid
water
air
Prior art date
Application number
CS836781A
Other languages
Czech (cs)
English (en)
Inventor
Ulrich Bretscher
Original Assignee
Mokia Ab
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 Mokia Ab filed Critical Mokia Ab
Publication of CS248709B2 publication Critical patent/CS248709B2/cs

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)
  • Biological Treatment Of Waste Water (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Activated Sludge Processes (AREA)
CS836781A 1982-09-16 1983-09-16 Removing or preventing method of choking of the depth aerators CS248709B2 (en)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
CS248709B2 true CS248709B2 (en) 1987-02-12

Family

ID=4294516

Family Applications (1)

Application Number Title Priority Date Filing Date
CS836781A CS248709B2 (en) 1982-09-16 1983-09-16 Removing or preventing method of choking of the depth aerators

Country Status (10)

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

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.
DE3168048D1 (en) * 1980-09-11 1985-02-14 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
IT8348981A0 (it) 1983-09-15
SE8304939D0 (sv) 1983-09-14
FI833316L (fi) 1984-03-17
ATA331083A (de) 1990-07-15
IT1170498B (it) 1987-06-03
GB8324649D0 (en) 1983-10-19
FI76061B (fi) 1988-05-31
CH658044A5 (de) 1986-10-15
DE3333602A1 (de) 1984-03-22
GB2130570B (en) 1986-09-17
AT392061B (de) 1991-01-25
IT8348981A1 (it) 1985-03-15
FI833316A0 (fi) 1983-09-16
DE3333602C2 (OSRAM) 1991-06-06
CA1203328A (en) 1986-04-15
FR2533207A1 (fr) 1984-03-23
GB2130570A (en) 1984-06-06
FI76061C (fi) 1989-05-30
FR2533207B1 (fr) 1986-09-19
SE8304939L (sv) 1984-03-17

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