FR2798602B1 - DEVICE FOR CIRCULATING A LIQUID FOR THE DIFFUSION OF A GAS - Google Patents

DEVICE FOR CIRCULATING A LIQUID FOR THE DIFFUSION OF A GAS

Info

Publication number
FR2798602B1
FR2798602B1 FR9911753A FR9911753A FR2798602B1 FR 2798602 B1 FR2798602 B1 FR 2798602B1 FR 9911753 A FR9911753 A FR 9911753A FR 9911753 A FR9911753 A FR 9911753A FR 2798602 B1 FR2798602 B1 FR 2798602B1
Authority
FR
France
Prior art keywords
circulating
diffusion
gas
liquid
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 - Fee Related
Application number
FR9911753A
Other languages
French (fr)
Other versions
FR2798602A1 (en
Inventor
Raymond Berchotteau
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9550056&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2798602(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to FR9911753A priority Critical patent/FR2798602B1/en
Publication of FR2798602A1 publication Critical patent/FR2798602A1/en
Application granted granted Critical
Publication of FR2798602B1 publication Critical patent/FR2798602B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/226—"Deep shaft" processes
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • 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
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/503—Floating mixing devices
    • 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
FR9911753A 1999-09-21 1999-09-21 DEVICE FOR CIRCULATING A LIQUID FOR THE DIFFUSION OF A GAS Expired - Fee Related FR2798602B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9911753A FR2798602B1 (en) 1999-09-21 1999-09-21 DEVICE FOR CIRCULATING A LIQUID FOR THE DIFFUSION OF A GAS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9911753A FR2798602B1 (en) 1999-09-21 1999-09-21 DEVICE FOR CIRCULATING A LIQUID FOR THE DIFFUSION OF A GAS

Publications (2)

Publication Number Publication Date
FR2798602A1 FR2798602A1 (en) 2001-03-23
FR2798602B1 true FR2798602B1 (en) 2002-04-19

Family

ID=9550056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9911753A Expired - Fee Related FR2798602B1 (en) 1999-09-21 1999-09-21 DEVICE FOR CIRCULATING A LIQUID FOR THE DIFFUSION OF A GAS

Country Status (1)

Country Link
FR (1) FR2798602B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003011774A1 (en) * 2001-07-28 2003-02-13 Moeller Gerhard Aerator for bodies of water
US8146894B2 (en) 2004-06-21 2012-04-03 Hills Blair H Apparatus for mixing gasses and liquids
ATE441473T1 (en) * 2004-06-21 2009-09-15 Blair H Hills DIFFUSED VENTILATION DEVICE
EP1812351A1 (en) 2004-11-22 2007-08-01 Aquasystems International N.V. Device to treat liquid and foam
CN100418899C (en) * 2005-05-26 2008-09-17 聂法玉 Energy-saving water sterilization device for subcritical flow
US8056887B2 (en) 2006-01-30 2011-11-15 Hills Blair H Apparatus for surface mixing of gasses and liquids
CN100424023C (en) * 2006-06-09 2008-10-08 高振广 Countercurrent type siphonic oxygen supply
GB2451870A (en) * 2007-08-15 2009-02-18 United Utilities Plc Method and Apparatus for Aeration
US8387957B2 (en) 2009-01-29 2013-03-05 Aqua-Aerobic Systems, Inc. Downflow mixers with gas injection devices and/or baffles
DE102015003912B4 (en) 2015-03-27 2018-03-08 David Wenzel Method for enriching a gas or gas mixture in a liquid

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856272A (en) * 1972-06-08 1974-12-24 Richards Of Rockford Inc Floating mixer
US3846516A (en) * 1972-09-25 1974-11-05 Rockwell International Corp Aerator device and method
GB1428349A (en) * 1974-04-04 1976-03-17 Solem Machine Co Down-flow mixing apparatus
US4318871A (en) * 1980-02-22 1982-03-09 Mentz H C Mounting ring construction for surface aerator apparatus
BE884216A (en) * 1980-07-08 1980-11-03 Haegeman Johny H APPARATUS FOR MIXING GAS WITH LIQUID OR REVERSE AND FOR DEGASSIFICATION OF A LIQUID
DE4330207A1 (en) * 1993-09-07 1995-03-09 Harry Juengling Process and apparatus for aerating and mixing liquid in a tank
DE29512121U1 (en) * 1995-07-27 1995-09-21 Juengling Harry Device for aerating and / or mixing liquid in a basin

Also Published As

Publication number Publication date
FR2798602A1 (en) 2001-03-23

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Legal Events

Date Code Title Description
ST Notification of lapse
RN Application for restoration
FC Decision of inpi director general to approve request for restoration
ST Notification of lapse

Effective date: 20150529