NL7210771A - - Google Patents
Info
- Publication number
- NL7210771A NL7210771A NL7210771A NL7210771A NL7210771A NL 7210771 A NL7210771 A NL 7210771A NL 7210771 A NL7210771 A NL 7210771A NL 7210771 A NL7210771 A NL 7210771A NL 7210771 A NL7210771 A NL 7210771A
- Authority
- NL
- Netherlands
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
- C02F3/10—Packings; Fillings; Grids
-
- 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)
- Water Supply & Treatment (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Activated Sludge Processes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1190771A CH535184A (fr) | 1971-08-11 | 1971-08-11 | Procédé de traitement des eaux usées biodégradables et installation pour la mise en oeuvre de ce procédé |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7210771A true NL7210771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-02-13 |
| NL174821B NL174821B (nl) | 1984-03-16 |
| NL174821C NL174821C (nl) | 1984-08-16 |
Family
ID=4378050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7210771A NL174821C (nl) | 1971-08-11 | 1972-08-07 | Werkwijze voor de biologische zuivering van water. |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331087B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-13 | 1978-08-31 | ||
| JPS5141672A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-10-04 | 1976-04-08 | Ebara Infilco | |
| DE3326939A1 (de) * | 1983-07-26 | 1985-02-07 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur anaeroben biologischen reinigung von abwasser |
| DE3402697A1 (de) * | 1984-01-26 | 1985-08-01 | Bayer Ag, 5090 Leverkusen | Verwendung von hydrophilen, hochgefuellten polyurethanmassen zur biologischen abwasserreinigung |
| DE3526185A1 (de) * | 1985-07-23 | 1987-02-05 | Bayer Ag | Verfahren zur herstellung fuellstoffhaltiger, anionisch modifizierter polyurethan(harnstoff)-massen, entsprechende polyurethan(harnstoff)-massen und ihre verwendung |
| CN108249682A (zh) * | 2017-12-28 | 2018-07-06 | 昆山奕盛来环境科技有限公司 | 一种废气废水净化系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE300318C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | ||||
| US3803029A (en) * | 1968-11-21 | 1974-04-09 | Fram Corp | Materials purification |
-
1971
- 1971-08-11 CH CH1190771A patent/CH535184A/fr not_active IP Right Cessation
-
1972
- 1972-08-07 GB GB3677072A patent/GB1390058A/en not_active Expired
- 1972-08-07 DE DE2239406A patent/DE2239406C2/de not_active Expired
- 1972-08-07 NL NL7210771A patent/NL174821C/xx not_active IP Right Cessation
- 1972-08-08 FR FR7229863A patent/FR2148654B1/fr not_active Expired
- 1972-08-11 JP JP8066372A patent/JPS4825368A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2148654A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-23 |
| DE2239406A1 (de) | 1973-02-15 |
| FR2148654B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-04-18 |
| GB1390058A (en) | 1975-04-09 |
| NL174821B (nl) | 1984-03-16 |
| CH535184A (fr) | 1973-03-31 |
| DE2239406C2 (de) | 1981-12-17 |
| JPS4825368A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-04-02 |
| NL174821C (nl) | 1984-08-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| V1 | Lapsed because of non-payment of the annual fee |