FR2271176B1 - - Google Patents
Info
- Publication number
- FR2271176B1 FR2271176B1 FR7515544A FR7515544A FR2271176B1 FR 2271176 B1 FR2271176 B1 FR 2271176B1 FR 7515544 A FR7515544 A FR 7515544A FR 7515544 A FR7515544 A FR 7515544A FR 2271176 B1 FR2271176 B1 FR 2271176B1
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Enzymes And Modification Thereof (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742424116 DE2424116C2 (de) | 1974-05-17 | 1974-05-17 | Verfahren zur biologischen Reinigung von Abwasser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2271176A1 FR2271176A1 (es) | 1975-12-12 |
| FR2271176B1 true FR2271176B1 (es) | 1982-08-06 |
Family
ID=5915878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7515544A Expired FR2271176B1 (es) | 1974-05-17 | 1975-05-16 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS50153458A (es) |
| CA (1) | CA1041681A (es) |
| DE (1) | DE2424116C2 (es) |
| FR (1) | FR2271176B1 (es) |
| GB (1) | GB1472491A (es) |
| NL (1) | NL7505717A (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE408165B (sv) * | 1977-05-09 | 1979-05-21 | El Sayed Refaat M | Forfarande for biologisk rening av vetskeformigt avfall, varvid tillsettes extra-cellulera enzymer |
| JPH02290209A (ja) * | 1989-04-28 | 1990-11-30 | Arai Tekkosho:Kk | 複合濾過装置 |
-
1974
- 1974-05-17 DE DE19742424116 patent/DE2424116C2/de not_active Expired
-
1975
- 1975-05-15 NL NL7505717A patent/NL7505717A/xx not_active Application Discontinuation
- 1975-05-16 GB GB2080775A patent/GB1472491A/en not_active Expired
- 1975-05-16 FR FR7515544A patent/FR2271176B1/fr not_active Expired
- 1975-05-16 JP JP5847675A patent/JPS50153458A/ja active Pending
- 1975-05-16 CA CA227,234A patent/CA1041681A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1472491A (en) | 1977-05-04 |
| DE2424116A1 (de) | 1975-11-27 |
| CA1041681A (en) | 1978-10-31 |
| JPS50153458A (es) | 1975-12-10 |
| NL7505717A (nl) | 1975-11-19 |
| FR2271176A1 (es) | 1975-12-12 |
| DE2424116C2 (de) | 1983-11-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |