NL7309821A - - Google Patents
Info
- Publication number
- NL7309821A NL7309821A NL7309821A NL7309821A NL7309821A NL 7309821 A NL7309821 A NL 7309821A NL 7309821 A NL7309821 A NL 7309821A NL 7309821 A NL7309821 A NL 7309821A NL 7309821 A NL7309821 A NL 7309821A
- 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
- C02F3/04—Aerobic processes using trickle 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2235470A DE2235470C3 (en) | 1972-07-20 | 1972-07-20 | Method for operating a trickling filter and trickling filter for carrying out the method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7309821A true NL7309821A (en) | 1974-01-22 |
Family
ID=5851079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7309821A NL7309821A (en) | 1972-07-20 | 1973-07-13 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS4992662A (en) |
| AR (1) | AR205330A1 (en) |
| AT (1) | AT323081B (en) |
| BE (1) | BE802025A (en) |
| BR (1) | BR7305400D0 (en) |
| CA (1) | CA995830A (en) |
| CH (1) | CH556799A (en) |
| DE (1) | DE2235470C3 (en) |
| FR (1) | FR2193786B1 (en) |
| GB (1) | GB1418348A (en) |
| IT (1) | IT991807B (en) |
| NL (1) | NL7309821A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3903409C1 (en) * | 1989-02-02 | 1990-05-23 | Wilhelm Prof. Dr.Phil. 1000 Berlin De Ripl | |
| ATE337273T1 (en) * | 2001-05-25 | 2006-09-15 | Grundfos As | DEVICE FOR BIOLOGICAL FLUID TREATMENT |
| DE102015015945A1 (en) * | 2015-12-08 | 2017-06-22 | Gea 2H Water Technologies Gmbh | Trickling filter and rotary sprinkler for a trickling filter |
| CN113198213B (en) * | 2021-04-26 | 2022-07-12 | 唐山德业节能环保科技有限公司 | Flocculation sewage precipitation device |
| EP4282832A1 (en) | 2022-05-25 | 2023-11-29 | Arnold Jäger Holding GmbH | Method and system for generating granular sludge |
-
1972
- 1972-07-20 DE DE2235470A patent/DE2235470C3/en not_active Expired
-
1973
- 1973-01-01 AR AR24915773A patent/AR205330A1/en active
- 1973-06-18 CH CH879873A patent/CH556799A/en not_active IP Right Cessation
- 1973-07-06 BE BE133214A patent/BE802025A/en unknown
- 1973-07-13 AT AT618273A patent/AT323081B/en active
- 1973-07-13 NL NL7309821A patent/NL7309821A/xx not_active Application Discontinuation
- 1973-07-17 FR FR7326634A patent/FR2193786B1/fr not_active Expired
- 1973-07-18 BR BR540073A patent/BR7305400D0/en unknown
- 1973-07-19 IT IT6916773A patent/IT991807B/en active
- 1973-07-19 JP JP8250773A patent/JPS4992662A/ja active Pending
- 1973-07-19 GB GB3450573A patent/GB1418348A/en not_active Expired
- 1973-07-20 CA CA176,981A patent/CA995830A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE802025A (en) | 1973-11-05 |
| AT323081B (en) | 1975-06-25 |
| AR205330A1 (en) | 1976-04-30 |
| DE2235470A1 (en) | 1974-01-31 |
| CH556799A (en) | 1974-12-13 |
| BR7305400D0 (en) | 1974-09-05 |
| GB1418348A (en) | 1975-12-17 |
| CA995830A (en) | 1976-08-24 |
| FR2193786A1 (en) | 1974-02-22 |
| DE2235470C3 (en) | 1974-12-05 |
| FR2193786B1 (en) | 1977-05-13 |
| JPS4992662A (en) | 1974-09-04 |
| DE2235470B2 (en) | 1974-05-02 |
| IT991807B (en) | 1975-08-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |