FR2078319A5 - - Google Patents

Info

Publication number
FR2078319A5
FR2078319A5 FR7104079A FR7104079A FR2078319A5 FR 2078319 A5 FR2078319 A5 FR 2078319A5 FR 7104079 A FR7104079 A FR 7104079A FR 7104079 A FR7104079 A FR 7104079A FR 2078319 A5 FR2078319 A5 FR 2078319A5
Authority
FR
France
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
FR7104079A
Other languages
French (fr)
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.)
Dravo Corp
Original Assignee
Dravo Corp
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 Dravo Corp filed Critical Dravo Corp
Application granted granted Critical
Publication of FR2078319A5 publication Critical patent/FR2078319A5/fr
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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23122—Diffusers having elements opening under air pressure, e.g. valves
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
FR7104079A 1970-06-24 1971-02-08 Expired FR2078319A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4936970A 1970-06-24 1970-06-24

Publications (1)

Publication Number Publication Date
FR2078319A5 true FR2078319A5 (en) 1971-11-05

Family

ID=21959446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7104079A Expired FR2078319A5 (en) 1970-06-24 1971-02-08

Country Status (3)

Country Link
US (1) US3722836A (en)
FR (1) FR2078319A5 (en)
GB (1) GB1281630A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279742A (en) * 1976-12-20 1981-07-21 Institute Po Physikochimia Method of and apparatus for the flotation of mineral raw materials
HU175820B (en) * 1977-04-27 1980-10-28 Richter Gedeon Vegyeszet Charge, mainly in equipments for contacting gaseous and liquid media
US4337151A (en) * 1980-12-29 1982-06-29 Red Fox Industries Inc. Method and apparatus for pulsed timed control for sludge return line
US4495114A (en) * 1984-01-17 1985-01-22 Strauss Walter C Leaf spring diffuser with amplitude limit
US4815653A (en) * 1987-02-19 1989-03-28 Serve-All, Inc. Automatic removal of storage bin build-up
US5129553A (en) * 1990-06-05 1992-07-14 The Heil Company Aeration device
US6629773B2 (en) * 2001-05-07 2003-10-07 Richard E. Parks Method and apparatus for gas induced mixing and blending of fluids and other materials
GB2443396B (en) 2006-10-30 2011-10-19 Univ Sheffield Bubble generation for aeration and other purposes
US10377651B2 (en) 2006-10-30 2019-08-13 Perlemax Ltd Bubble generation for aeration and other purposes
EP2906679A1 (en) 2012-10-15 2015-08-19 Perlemax Ltd Bubble generation to strip components of a liquid

Also Published As

Publication number Publication date
US3722836A (en) 1973-03-27
GB1281630A (en) 1972-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse