DE3025653C2 - - Google Patents

Info

Publication number
DE3025653C2
DE3025653C2 DE3025653A DE3025653A DE3025653C2 DE 3025653 C2 DE3025653 C2 DE 3025653C2 DE 3025653 A DE3025653 A DE 3025653A DE 3025653 A DE3025653 A DE 3025653A DE 3025653 C2 DE3025653 C2 DE 3025653C2
Authority
DE
Germany
Prior art keywords
pressure vessel
flotation
pressure
activated sludge
water
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
DE3025653A
Other languages
German (de)
English (en)
Other versions
DE3025653A1 (de
Inventor
Markus 7000 Stuttgart De Roediger
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.)
Wilhelm Roediger and Co 6450 Hanau De GmbH
Original Assignee
Wilhelm Roediger and Co 6450 Hanau De 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 Wilhelm Roediger and Co 6450 Hanau De GmbH filed Critical Wilhelm Roediger and Co 6450 Hanau De GmbH
Priority to DE19803025653 priority Critical patent/DE3025653A1/de
Priority to US06/293,172 priority patent/US4369111A/en
Publication of DE3025653A1 publication Critical patent/DE3025653A1/de
Application granted granted Critical
Publication of DE3025653C2 publication Critical patent/DE3025653C2/de
Granted 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1289—Aeration by saturation under super-atmospheric pressure
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Activated Sludge Processes (AREA)
DE19803025653 1980-07-07 1980-07-07 Belebtschlammanlage Granted DE3025653A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19803025653 DE3025653A1 (de) 1980-07-07 1980-07-07 Belebtschlammanlage
US06/293,172 US4369111A (en) 1980-07-07 1981-08-17 Activated sludge system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803025653 DE3025653A1 (de) 1980-07-07 1980-07-07 Belebtschlammanlage

Publications (2)

Publication Number Publication Date
DE3025653A1 DE3025653A1 (de) 1982-01-28
DE3025653C2 true DE3025653C2 (enExample) 1988-02-04

Family

ID=6106567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803025653 Granted DE3025653A1 (de) 1980-07-07 1980-07-07 Belebtschlammanlage

Country Status (2)

Country Link
US (1) US4369111A (enExample)
DE (1) DE3025653A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3347525A1 (de) * 1983-12-30 1985-09-05 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zur flotativen abtrennung und aufkonzentrierung von biomassen und verfahren zur biologischen abwasserreinigung
DE3543432A1 (de) * 1985-12-09 1987-06-11 Fraunhofer Ges Forschung Anlage fuer die biologische aufbereitung von abwasser
US5229011A (en) * 1990-04-06 1993-07-20 Christy Sr Robert W Process for pathogen reduction in waste
US5013458A (en) * 1990-04-06 1991-05-07 Rdp Company Process and apparatus for pathogen reduction in waste
US5186840A (en) * 1991-08-26 1993-02-16 Rdp Company Process for treating sewage sludge
US5405536A (en) * 1990-04-06 1995-04-11 Rdp Company Process and apparatus for pathogen reduction in waste
US5554279A (en) * 1994-09-26 1996-09-10 Rdp Company Apparatus for treatment of sewage sludge
US5681481A (en) * 1995-05-18 1997-10-28 Rdp Company Process and apparatus for liquid sludge stabilization
BR0105462B1 (pt) * 2001-06-11 2010-06-15 processo de recuperação ambiental em regiões urbanas.
EP1855997B1 (en) 2005-02-22 2015-06-03 Jeremy Weissman Method and apparatus for aerating a liquid, particularly useful in the treatment of wastewater for re-use
US8065815B2 (en) * 2006-10-10 2011-11-29 Rdp Technologies, Inc. Apparatus, method and system for treating sewage sludge
DE102006060426A1 (de) * 2006-12-20 2008-06-26 Meri Entsorgungstechnik für die Papierindustrie GmbH Verfahren und Vorrichtung zur aeroben Aufbereitung von Abwasser

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236766A (en) * 1964-03-31 1966-02-22 Hazleton Lab Inc Sewage treatment process
US3444076A (en) * 1965-10-20 1969-05-13 Kurita Industrial Co Ltd Method of treating organic waste water
US3607735A (en) * 1969-07-02 1971-09-21 Air Reduction System for treatment of secondary sewage
FR2116662A5 (enExample) * 1970-12-02 1972-07-21 Degremont
US3945922A (en) * 1974-06-20 1976-03-23 Veb Chemieanlagenbau-Und Montegekombinat Installation for charging liquids, particularly fermentation liquids, with gas
US4085041A (en) * 1974-12-20 1978-04-18 Fmc Corporation Biological oxidation and flotation apparatus and method
DE2535837C3 (de) * 1975-08-12 1984-09-13 Bayer Ag, 5090 Leverkusen Verfahren zur biologischen Behandlung von Abwasser in einer Kaskade
US4070292A (en) * 1975-08-25 1978-01-24 American Water Recycling Company Apparatus for treating sewage
DE2558105A1 (de) * 1975-12-22 1977-06-30 Wilke Engelbart Vorrichtung zur umwaelzbelueftung und reinigung von wasser
US4069149A (en) * 1976-05-14 1978-01-17 Idaho Research Foundation, Inc. Continuous fermentation process and apparatus
DE2835709B2 (de) * 1978-08-16 1980-12-18 Wilhelm Roediger Gmbh + Co, 6450 Hanau Anlage zum Reinigen verschmutzten Wassers

Also Published As

Publication number Publication date
DE3025653A1 (de) 1982-01-28
US4369111A (en) 1983-01-18

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee