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SI1445239T1 - Process to influence the sludge volume index for reducing floating sludge in sewage works - Google Patents

Process to influence the sludge volume index for reducing floating sludge in sewage works

Info

Publication number
SI1445239T1
SI1445239T1 SI200330066T SI200330066T SI1445239T1 SI 1445239 T1 SI1445239 T1 SI 1445239T1 SI 200330066 T SI200330066 T SI 200330066T SI 200330066 T SI200330066 T SI 200330066T SI 1445239 T1 SI1445239 T1 SI 1445239T1
Authority
SI
Slovenia
Prior art keywords
sludge
influence
volume index
sewage works
reducing floating
Prior art date
Application number
SI200330066T
Other languages
Slovenian (sl)
Inventor
Rainer Dr. Plass
Stephan Dr. Brinke-Seiferth
Reinhard Dr. Schr�der
Herbert Dipl. Ing. Wotrubez
Original Assignee
Delphin Umwelttechnik Gmbh
Wte Wassertechnik Gmbh
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 Delphin Umwelttechnik Gmbh, Wte Wassertechnik Gmbh filed Critical Delphin Umwelttechnik Gmbh
Publication of SI1445239T1 publication Critical patent/SI1445239T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C02F2301/043—Treatment of partial or bypass streams
    • 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
    • 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)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Activated Sludge Processes (AREA)
  • Treatment Of Sludge (AREA)
  • Hydroponics (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

Method for removing nitrogen from a mixture of water and active sludge in an aeration basin before it enters a final settling tank comprises injecting oxygen or oxygen -enriched air into it to drive out nitrogen and reduce it to 2 - 20 mg/l.
SI200330066T 2003-02-07 2003-02-07 Process to influence the sludge volume index for reducing floating sludge in sewage works SI1445239T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20030002766 EP1445239B1 (en) 2003-02-07 2003-02-07 Process to influence the sludge volume index for reducing floating sludge in sewage works

Publications (1)

Publication Number Publication Date
SI1445239T1 true SI1445239T1 (en) 2005-10-31

Family

ID=32605348

Family Applications (1)

Application Number Title Priority Date Filing Date
SI200330066T SI1445239T1 (en) 2003-02-07 2003-02-07 Process to influence the sludge volume index for reducing floating sludge in sewage works

Country Status (6)

Country Link
EP (1) EP1445239B1 (en)
AT (1) ATE298313T1 (en)
DE (1) DE50300678D1 (en)
DK (1) DK1445239T3 (en)
ES (1) ES2244841T3 (en)
SI (1) SI1445239T1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010035751B4 (en) 2010-08-28 2014-12-18 Wte Wassertechnik Gmbh Method of reducing scum in a sewage treatment plant

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794121A (en) * 1972-01-20 1973-07-16 Air Prod & Chem WASTEWATER
US3960717A (en) * 1972-01-20 1976-06-01 Air Products And Chemicals, Inc. Process for treating waste water
DE2337999C3 (en) * 1973-07-26 1980-09-18 Linde Ag, 6200 Wiesbaden Process for cleaning an organically contaminated liquid
GB1487789A (en) * 1974-01-22 1977-10-05 Ontario Research Foundation Adsorption-biooxidation treatment of waste waters to remove contaminants therefrom
US3980556A (en) * 1974-01-25 1976-09-14 Ontario Research Foundation Adsorption biooxidation treatment of waste waters to remove contaminants therefrom
DE2922828A1 (en) * 1979-06-05 1980-12-18 Linde Ag Biological waste water purificn. - by waste water and activated sludge gasification with atmos. air in open and with oxygen-rich gas in closed zone
DE4110026A1 (en) * 1991-03-27 1992-10-01 Peter Ueberall Biological waste water clarifier with inert gas recirculation - in which gas is circulated through vessel so that oxygen@ content is reduced and water is agitated without introducing oxygen@
DE19644080A1 (en) * 1996-10-31 1998-05-07 Messer Griesheim Gmbh Method and device for biological wastewater treatment

Also Published As

Publication number Publication date
DE50300678D1 (en) 2005-07-28
ATE298313T1 (en) 2005-07-15
ES2244841T3 (en) 2005-12-16
EP1445239A1 (en) 2004-08-11
EP1445239B1 (en) 2005-06-22
DK1445239T3 (en) 2005-10-17

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