FR2152725B1 - - Google Patents
Info
- Publication number
- FR2152725B1 FR2152725B1 FR7231737A FR7231737A FR2152725B1 FR 2152725 B1 FR2152725 B1 FR 2152725B1 FR 7231737 A FR7231737 A FR 7231737A FR 7231737 A FR7231737 A FR 7231737A FR 2152725 B1 FR2152725 B1 FR 2152725B1
- 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
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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1242—Small compact installations for use in homes, apartment blocks, hotels or the like
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
- C02F1/64—Heavy metal compounds of iron or manganese
- C02F1/645—Devices for iron precipitation and treatment by air
-
- 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
-
- 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
- C02F3/06—Aerobic processes using submerged filters
-
- 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
- C02F3/10—Packings; Fillings; Grids
-
- 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
-
- 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)
- Biological Treatment Of Waste Water (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Activated Sludge Processes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17873971A | 1971-09-08 | 1971-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2152725A1 FR2152725A1 (fr) | 1973-04-27 |
FR2152725B1 true FR2152725B1 (fr) | 1975-03-07 |
Family
ID=22653760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7231737A Expired FR2152725B1 (fr) | 1971-09-08 | 1972-09-07 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3734850A (fr) |
JP (1) | JPS4836959A (fr) |
AU (1) | AU460083B2 (fr) |
CA (1) | CA959182A (fr) |
FR (1) | FR2152725B1 (fr) |
GB (1) | GB1399753A (fr) |
IT (1) | IT967223B (fr) |
PH (1) | PH9511A (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4115258A (en) * | 1973-01-08 | 1978-09-19 | Kenneth Cecil Smith | Treatment of sewage |
US3959142A (en) * | 1973-02-08 | 1976-05-25 | Dupre Herman K | Manhole aerator |
US3882017A (en) * | 1974-04-10 | 1975-05-06 | Ren Vand Inc | Method and apparatus for aeration of biodegradable waste material |
GB1591104A (en) * | 1976-11-18 | 1981-06-17 | Boc Ltd | Treatment of sewage in a sewer by oxygenation |
GB1580035A (en) * | 1976-05-20 | 1980-11-26 | Boc Ltd | Treatment of liquids |
SE7607763L (sv) * | 1976-07-07 | 1978-01-20 | Plm Ab | Forfarande for aerob, termofil nedbrytning i vetskefas av mikrobiellt nedbrytbar substans |
US4246665A (en) * | 1979-05-11 | 1981-01-27 | International Water Saving Systems, Inc. | Non-polluting toilet system |
US4568463A (en) * | 1983-02-24 | 1986-02-04 | Klein Samuel H | Method and apparatus for the purification of water and other aqueous liquids |
GB2218082B (en) * | 1988-05-07 | 1992-02-05 | Binder | Sewage treatment apparatus |
US4940539A (en) * | 1989-05-08 | 1990-07-10 | Semco Laboratories, Inc. | Grease trap construction |
US5527465A (en) * | 1994-03-16 | 1996-06-18 | Dickerson; J. Rodney | Method for preventing erosion in headworks of waste water treatment facilities |
US5433854A (en) * | 1994-03-16 | 1995-07-18 | Dickerson; J. Rodney | Method for preventing erosion in waste water lift stations and treatment facilities |
US6284138B1 (en) * | 2000-01-11 | 2001-09-04 | Hydro Flo, Inc. | Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility |
US6770206B2 (en) * | 2002-07-10 | 2004-08-03 | Gasvoda & Associates, Inc. | Method and apparatus for handling liquid waste in a wet-well |
CA2446889A1 (fr) * | 2003-10-27 | 2005-04-27 | Robert J. Pinchuk | Methode pour transformer une matiere d'alimentation liquide en produit gazeux |
US7566397B2 (en) * | 2004-02-09 | 2009-07-28 | Eco Oxygen Technologies, Llc | Superoxygenation of raw wastewater for odor/corrosion control |
US7320749B2 (en) * | 2004-02-09 | 2008-01-22 | Eco-Oxygen Technologies, Llc | Method and apparatus for control of a gas or chemical |
US10272479B2 (en) | 2010-08-26 | 2019-04-30 | Joseph S. Pickett | Method and apparatus for cleaning and sterilizing product lines |
-
1971
- 1971-09-08 US US3734850D patent/US3734850A/en not_active Expired - Lifetime
-
1972
- 1972-08-24 CA CA150,141A patent/CA959182A/en not_active Expired
- 1972-08-31 AU AU46171/72A patent/AU460083B2/en not_active Expired
- 1972-08-31 GB GB4050072A patent/GB1399753A/en not_active Expired
- 1972-09-07 PH PH13878*UA patent/PH9511A/en unknown
- 1972-09-07 IT IT2890572A patent/IT967223B/it active
- 1972-09-07 FR FR7231737A patent/FR2152725B1/fr not_active Expired
- 1972-09-08 JP JP9027172A patent/JPS4836959A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1399753A (en) | 1975-07-02 |
DE2243412A1 (de) | 1973-03-22 |
AU460083B2 (en) | 1975-04-17 |
DE2243412B2 (de) | 1976-03-04 |
AU4617172A (en) | 1974-03-07 |
PH9511A (en) | 1976-01-09 |
CA959182A (en) | 1974-12-10 |
JPS4836959A (fr) | 1973-05-31 |
US3734850A (en) | 1973-05-22 |
FR2152725A1 (fr) | 1973-04-27 |
IT967223B (it) | 1974-02-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |