FR2225198A1 - Pulp treatment by aeration - using venturi diffusor in downpipe to draw in recycled foam or air - Google Patents
Pulp treatment by aeration - using venturi diffusor in downpipe to draw in recycled foam or airInfo
- Publication number
- FR2225198A1 FR2225198A1 FR7412640A FR7412640A FR2225198A1 FR 2225198 A1 FR2225198 A1 FR 2225198A1 FR 7412640 A FR7412640 A FR 7412640A FR 7412640 A FR7412640 A FR 7412640A FR 2225198 A1 FR2225198 A1 FR 2225198A1
- Authority
- FR
- France
- Prior art keywords
- pulp
- downpipe
- aeration
- draw
- foam
- 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.)
- Granted
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
- C02F3/1284—Mixing devices
-
- 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
- C02F3/1294—"Venturi" aeration means
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; 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
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Water Supply & Treatment (AREA)
- Sustainable Development (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Jet Pumps And Other Pumps (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT317273A AT319864B (de) | 1973-04-11 | 1973-04-11 | Verfahren und Einrichtung zur Behandlung von Flüssigkeiten oder Trüben |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2225198A1 true FR2225198A1 (en) | 1974-11-08 |
FR2225198B1 FR2225198B1 (fr) | 1978-11-17 |
Family
ID=3546451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7412640A Granted FR2225198A1 (en) | 1973-04-11 | 1974-04-10 | Pulp treatment by aeration - using venturi diffusor in downpipe to draw in recycled foam or air |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT319864B (fr) |
CH (1) | CH588418A5 (fr) |
DE (1) | DE2415940C3 (fr) |
FR (1) | FR2225198A1 (fr) |
IT (1) | IT1006422B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2317233A1 (fr) * | 1975-07-07 | 1977-02-04 | Waagner Biro Ag | Procede et dispositif pour le traitement d'un liquide |
EP0003787A1 (fr) * | 1978-02-16 | 1979-09-05 | LOCHER & CIE. AG. | Bassin pour l'aération d'eau usée |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4284510A (en) * | 1978-05-11 | 1981-08-18 | Canadian Liquid Air Ltd./Air Liquide Canada Ltee. | Two zone process for biological treatment of waste water |
SE442173B (sv) * | 1983-10-27 | 1985-12-09 | Sunds Defibrator | Anordning vid flotation av fibersuspensioner |
HU205724B (en) * | 1986-11-28 | 1992-06-29 | Istvan Kenyeres | Method for incereasing the performance and dissolving degree of impact jet gas-imput |
DE4112378A1 (de) * | 1991-04-16 | 1992-10-22 | Leonhard Jagusch | Vorrichtung zur begasung von fluessigkeiten |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2072789A5 (fr) * | 1969-12-02 | 1971-09-24 | Kurashiki Boseki Kk | |
CH522431A (de) * | 1968-11-20 | 1972-06-30 | Vogelbusch Gmbh | Vorrichtung zur Begasung von Flüssigkeiten |
-
1973
- 1973-04-11 AT AT317273A patent/AT319864B/de not_active IP Right Cessation
-
1974
- 1974-04-02 DE DE2415940A patent/DE2415940C3/de not_active Expired
- 1974-04-02 CH CH455974A patent/CH588418A5/xx not_active IP Right Cessation
- 1974-04-10 FR FR7412640A patent/FR2225198A1/fr active Granted
- 1974-04-11 IT IT21269/74A patent/IT1006422B/it active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH522431A (de) * | 1968-11-20 | 1972-06-30 | Vogelbusch Gmbh | Vorrichtung zur Begasung von Flüssigkeiten |
FR2072789A5 (fr) * | 1969-12-02 | 1971-09-24 | Kurashiki Boseki Kk |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2317233A1 (fr) * | 1975-07-07 | 1977-02-04 | Waagner Biro Ag | Procede et dispositif pour le traitement d'un liquide |
EP0003787A1 (fr) * | 1978-02-16 | 1979-09-05 | LOCHER & CIE. AG. | Bassin pour l'aération d'eau usée |
Also Published As
Publication number | Publication date |
---|---|
DE2415940B2 (de) | 1980-04-03 |
DE2415940A1 (de) | 1974-10-31 |
AT319864B (de) | 1975-01-10 |
FR2225198B1 (fr) | 1978-11-17 |
DE2415940C3 (de) | 1980-11-20 |
IT1006422B (it) | 1976-09-30 |
CH588418A5 (fr) | 1977-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |