GB2130570B - Method for the elimination or prevention of blockages in bottom aerators in water treatment and sewage treatment under operating conditions - Google Patents

Method for the elimination or prevention of blockages in bottom aerators in water treatment and sewage treatment under operating conditions

Info

Publication number
GB2130570B
GB2130570B GB08324649A GB8324649A GB2130570B GB 2130570 B GB2130570 B GB 2130570B GB 08324649 A GB08324649 A GB 08324649A GB 8324649 A GB8324649 A GB 8324649A GB 2130570 B GB2130570 B GB 2130570B
Authority
GB
United Kingdom
Prior art keywords
blockages
elimination
prevention
operating conditions
under operating
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
GB08324649A
Other languages
English (en)
Other versions
GB2130570A (en
GB8324649D0 (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 GB8324649D0 publication Critical patent/GB8324649D0/en
Publication of GB2130570A publication Critical patent/GB2130570A/en
Application granted granted Critical
Publication of GB2130570B publication Critical patent/GB2130570B/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)
  • 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)
GB08324649A 1982-09-16 1983-09-14 Method for the elimination or prevention of blockages in bottom aerators in water treatment and sewage treatment under operating conditions Expired GB2130570B (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 (3)

Publication Number Publication Date
GB8324649D0 GB8324649D0 (en) 1983-10-19
GB2130570A GB2130570A (en) 1984-06-06
GB2130570B true GB2130570B (en) 1986-09-17

Family

ID=4294516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08324649A Expired GB2130570B (en) 1982-09-16 1983-09-14 Method for the elimination or prevention of blockages in bottom aerators in water treatment and sewage treatment under operating conditions

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
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
FI76061C (fi) 1989-05-30
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

Similar Documents

Publication Publication Date Title
US4563277B1 (en) Apparatus for aerating and mixing waste water
DE3569098D1 (en) Apparatus for the aeration of waste water or similar matter in aeration tanks
PT83407A (en) Water treatment method and product
EP0003327A3 (en) Process for the chemical-mechanical treatment and/or purification of ground, surface or waste waters
EP0100568B1 (en) Process for the treatment of waste water
DE3469723D1 (en) Improved sewage sludge treatment apparatus and process
EP0182380A3 (en) Process and apparatus for the biological treatment of water, especially for the denitrification of drinking water
GB2130570B (en) Method for the elimination or prevention of blockages in bottom aerators in water treatment and sewage treatment under operating conditions
GB2128980B (en) Apparatus and method for the treatment of wastewater sludge
PT77089B (en) Process for the treatment and prevention of fouled water treatment solids
GB2152021B (en) Method and device for the biological treatment of waste water
PT85484A (en) Method for the treatment of sewage and other impure water
DE3372436D1 (en) Process and apparatus for the biological anaerobic denitrification of aquarium water
PL250910A1 (en) Sanitary sewage treatment method and plant
GB2136791B (en) Sewage treatment plant
DE3473472D1 (en) Process for the treatment of process waste waters and waste waters in the hydrogenation of coal
GB8334256D0 (en) Waste water treatment plant
ZA855175B (en) Process and equipment for the removal of readily volatile matter from fluids,in particular for the treatment of waste water
DE3368177D1 (en) Water treatment methods and compositions
GB2200625A (en) Installation for treatment of sediment of natural and sewage waters
GR870485B (en) Process for sewage and sludge treatment
GB2164641B (en) Method and apparatus for the biological treatment of sewage
KR850001461Y1 (en) Apparatus for treatment of waste water and sludge
ZA875739B (en) Method for the treatment of sewage and other impure water
PL233857A1 (en) Water or sewage treatment apparatus

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years