FR2217275B1 - - Google Patents
Info
- Publication number
- FR2217275B1 FR2217275B1 FR7404672A FR7404672A FR2217275B1 FR 2217275 B1 FR2217275 B1 FR 2217275B1 FR 7404672 A FR7404672 A FR 7404672A FR 7404672 A FR7404672 A FR 7404672A FR 2217275 B1 FR2217275 B1 FR 2217275B1
- 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
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/082—Rotating biological contactors
-
- 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 |
|---|---|---|---|
| US33179673A | 1973-02-12 | 1973-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2217275A1 FR2217275A1 (en) | 1974-09-06 |
| FR2217275B1 true FR2217275B1 (en) | 1976-10-08 |
Family
ID=23295416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7404672A Expired FR2217275B1 (en) | 1973-02-12 | 1974-02-12 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5047451A (en) |
| BE (1) | BE810887A (en) |
| CA (1) | CA1032280A (en) |
| CH (1) | CH594566A5 (en) |
| DE (1) | DE2407423B2 (en) |
| ES (1) | ES423140A1 (en) |
| FR (1) | FR2217275B1 (en) |
| GB (1) | GB1456727A (en) |
| IT (1) | IT1002905B (en) |
| NL (1) | NL7401922A (en) |
| NO (1) | NO137592C (en) |
| ZA (1) | ZA74934B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845556C2 (en) * | 1978-10-19 | 1982-12-23 | Franz 8231 Marzoll Enzmann | Roller trough made of prefabricated reinforced concrete parts for a wastewater treatment plant that works according to the disc immersion drip method |
| WO1981003325A1 (en) * | 1980-05-22 | 1981-11-26 | Nordiska Vattenprojekt Ab Nova | Method and device for biological processing of waste water |
| US4468326A (en) * | 1982-06-29 | 1984-08-28 | Jorgen Jolner | Process in microbiological purification and a device and materials therefor |
| DE3417071A1 (en) * | 1983-05-19 | 1984-11-22 | The Kendall Co., Boston, Mass. | INTERMEDIATE PIECE WITH ANTISEPTIC AGENT |
| CH685160A5 (en) * | 1993-06-18 | 1995-04-13 | Buehler Ag | Fermenter. |
-
1974
- 1974-02-08 CA CA192,060A patent/CA1032280A/en not_active Expired
- 1974-02-11 NO NO740452A patent/NO137592C/en unknown
- 1974-02-11 GB GB607274A patent/GB1456727A/en not_active Expired
- 1974-02-12 ES ES423140A patent/ES423140A1/en not_active Expired
- 1974-02-12 NL NL7401922A patent/NL7401922A/xx not_active Application Discontinuation
- 1974-02-12 DE DE19742407423 patent/DE2407423B2/en not_active Ceased
- 1974-02-12 ZA ZA740934A patent/ZA74934B/en unknown
- 1974-02-12 CH CH195074A patent/CH594566A5/xx not_active IP Right Cessation
- 1974-02-12 JP JP1707574A patent/JPS5047451A/ja active Pending
- 1974-02-12 BE BE1005709A patent/BE810887A/en unknown
- 1974-02-12 FR FR7404672A patent/FR2217275B1/fr not_active Expired
- 1974-02-14 IT IT4832674A patent/IT1002905B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1456727A (en) | 1976-11-24 |
| NL7401922A (en) | 1974-08-14 |
| NO137592C (en) | 1978-03-21 |
| CH594566A5 (en) | 1978-01-13 |
| NO740452L (en) | 1974-08-13 |
| IT1002905B (en) | 1976-05-20 |
| BE810887A (en) | 1974-08-12 |
| CA1032280A (en) | 1978-05-30 |
| ES423140A1 (en) | 1976-05-01 |
| ZA74934B (en) | 1974-12-24 |
| DE2407423A1 (en) | 1974-08-22 |
| FR2217275A1 (en) | 1974-09-06 |
| NO137592B (en) | 1977-12-12 |
| JPS5047451A (en) | 1975-04-26 |
| DE2407423B2 (en) | 1976-09-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |