IT1170498B - Procedimento per eliminare o prevenire il bloccaggio degli aeratori di fondo nel trattamento delle acque e degli scarichi - Google Patents

Procedimento per eliminare o prevenire il bloccaggio degli aeratori di fondo nel trattamento delle acque e degli scarichi

Info

Publication number
IT1170498B
IT1170498B IT4898183A IT4898183A IT1170498B IT 1170498 B IT1170498 B IT 1170498B IT 4898183 A IT4898183 A IT 4898183A IT 4898183 A IT4898183 A IT 4898183A IT 1170498 B IT1170498 B IT 1170498B
Authority
IT
Italy
Prior art keywords
waters
discharges
eliminate
blocking
procedure
Prior art date
Application number
IT4898183A
Other languages
English (en)
Italian (it)
Other versions
IT8348981A0 (it
IT8348981A1 (it
Inventor
Ulrich Bretscher
Original Assignee
Nokia Oy 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 Nokia Oy Ab filed Critical Nokia Oy Ab
Publication of IT8348981A0 publication Critical patent/IT8348981A0/it
Publication of IT8348981A1 publication Critical patent/IT8348981A1/it
Application granted granted Critical
Publication of IT1170498B publication Critical patent/IT1170498B/it

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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Treating Waste Gases (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Activated Sludge Processes (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Physical Water Treatments (AREA)
IT4898183A 1982-09-16 1983-09-15 Procedimento per eliminare o prevenire il bloccaggio degli aeratori di fondo nel trattamento delle acque e degli scarichi IT1170498B (it)

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
IT8348981A0 IT8348981A0 (it) 1983-09-15
IT8348981A1 IT8348981A1 (it) 1985-03-15
IT1170498B true IT1170498B (it) 1987-06-03

Family

ID=4294516

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4898183A IT1170498B (it) 1982-09-16 1983-09-15 Procedimento per eliminare o prevenire il bloccaggio degli aeratori di fondo nel trattamento delle acque e degli scarichi

Country Status (10)

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

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.
EP0047956B1 (en) * 1980-09-11 1985-01-02 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
ATA331083A (de) 1990-07-15
GB8324649D0 (en) 1983-10-19
FI833316L (fi) 1984-03-17
FI76061C (fi) 1989-05-30
CA1203328A (en) 1986-04-15
FI76061B (fi) 1988-05-31
AT392061B (de) 1991-01-25
GB2130570B (en) 1986-09-17
SE8304939L (sv) 1984-03-17
IT8348981A0 (it) 1983-09-15
DE3333602A1 (de) 1984-03-22
CS248709B2 (en) 1987-02-12
IT8348981A1 (it) 1985-03-15
CH658044A5 (de) 1986-10-15
FR2533207A1 (fr) 1984-03-23
FI833316A0 (fi) 1983-09-16
DE3333602C2 (cs) 1991-06-06
FR2533207B1 (fr) 1986-09-19
GB2130570A (en) 1984-06-06
SE8304939D0 (sv) 1983-09-14

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950926