FR1581500A - - Google Patents
Info
- Publication number
- FR1581500A FR1581500A FR1581500DA FR1581500A FR 1581500 A FR1581500 A FR 1581500A FR 1581500D A FR1581500D A FR 1581500DA FR 1581500 A FR1581500 A FR 1581500A
- 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
- C02F3/04—Aerobic processes using trickle filters
- C02F3/046—Soil filtration
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biological Treatment Of Waste Water (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR69049845 | 1968-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1581500A true FR1581500A (en) | 1969-09-19 |
Family
ID=9695245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1581500D Expired FR1581500A (en) | 1968-03-29 | 1968-03-29 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE730477A (en) |
CH (1) | CH503660A (en) |
DE (1) | DE1916044A1 (en) |
FR (1) | FR1581500A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3244787C2 (en) * | 1982-12-03 | 1993-10-07 | Egl Entwicklung Und Gestaltung | Process and device for cleaning waste water |
LU85672A1 (en) * | 1984-12-06 | 1986-07-17 | Arbed | FILTER BED |
US4995969A (en) * | 1986-01-24 | 1991-02-26 | Lavigne Ronald L | Treatment system for landfill leachate |
US4678582A (en) * | 1986-01-24 | 1987-07-07 | Lavigne Ronald L | Treatment system for landfill leachate |
ES2157861B1 (en) * | 2000-01-19 | 2002-03-16 | Gonzalez Luis Javier Fabregas | SYMBOLIC WASTEWATER CLEANER. |
WO2003042114A1 (en) | 2001-11-14 | 2003-05-22 | Dharma Living Systems, Inc. | Integrated hydroponic and fixed-film wastewater treatment systems and associated methods |
PL370002A1 (en) | 2001-11-14 | 2005-05-16 | Dharma Living Systems, Inc. | Integrated hydroponic and wetland wastewater treatment systems and associated methods |
US6863816B2 (en) | 2002-06-17 | 2005-03-08 | Dharma Living Systems, Inc. | Tidal vertical flow wastewater treatment system and method |
US6881338B2 (en) | 2002-06-17 | 2005-04-19 | Dharma Living Systems, Inc. | Integrated tidal wastewater treatment system and method |
US7029586B2 (en) | 2003-02-28 | 2006-04-18 | Dharma Living Systems, Inc. | Integrated tidal wastewater treatment system and method |
US6896805B2 (en) | 2003-10-20 | 2005-05-24 | Dharma Living Systems, Inc. | Tidal vertical flow wastewater treatment system and method |
US7347940B2 (en) | 2004-06-17 | 2008-03-25 | Worrell Water Technologies, Llc | Nitrogen removal system and method for wastewater treatment lagoons |
-
1968
- 1968-03-29 FR FR1581500D patent/FR1581500A/fr not_active Expired
-
1969
- 1969-03-10 CH CH355569A patent/CH503660A/en not_active IP Right Cessation
- 1969-03-26 BE BE730477D patent/BE730477A/xx unknown
- 1969-03-28 DE DE19691916044 patent/DE1916044A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
BE730477A (en) | 1969-09-01 |
DE1916044A1 (en) | 1969-11-06 |
CH503660A (en) | 1971-02-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
CL | Concession to grant licences | ||
TP | Transmission of property | ||
ST | Notification of lapse |