FR2425261B1 - Station de filtration a drainage - Google Patents
Station de filtration a drainageInfo
- Publication number
- FR2425261B1 FR2425261B1 FR7901344A FR7901344A FR2425261B1 FR 2425261 B1 FR2425261 B1 FR 2425261B1 FR 7901344 A FR7901344 A FR 7901344A FR 7901344 A FR7901344 A FR 7901344A FR 2425261 B1 FR2425261 B1 FR 2425261B1
- Authority
- FR
- France
- Prior art keywords
- filtration station
- drainage filtration
- drainage
- station
- filtration
- Prior art date
- 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
- 238000001914 filtration Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Biological Treatment Of Waste Water (AREA)
- Sewage (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH506678A CH627090A5 (fr) | 1978-05-10 | 1978-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2425261A1 FR2425261A1 (fr) | 1979-12-07 |
FR2425261B1 true FR2425261B1 (fr) | 1988-06-17 |
Family
ID=4287361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7901344A Expired FR2425261B1 (fr) | 1978-05-10 | 1979-01-19 | Station de filtration a drainage |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5850523B2 (fr) |
AT (1) | AT370339B (fr) |
CH (1) | CH627090A5 (fr) |
DE (1) | DE2852316C3 (fr) |
ES (1) | ES477124A1 (fr) |
FR (1) | FR2425261B1 (fr) |
GB (1) | GB2020562B (fr) |
IT (1) | IT1111791B (fr) |
NL (1) | NL7902698A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845708A (ja) * | 1981-09-11 | 1983-03-17 | Kurita Water Ind Ltd | 濾過装置 |
US5028322A (en) * | 1989-07-11 | 1991-07-02 | The Graver Company | Low profile underdrain strainer assembly with improved distribution/fastening means |
JP4688049B2 (ja) * | 2006-02-20 | 2011-05-25 | 株式会社 太陽 | 浄水器及び浄水器の逆洗方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE61755C (de) * | F. ENGEL in Hamburg | Sandfilter | ||
GB618196A (en) * | 1946-11-01 | 1949-02-17 | Frank Pullen Candy | Improvements in connection with filters |
DE1022190B (de) * | 1956-04-14 | 1958-01-09 | Bran & Luebbe | Fluessigkeitsverteiler fuer Mischbettfilter |
GB872632A (en) * | 1959-05-13 | 1961-07-12 | Pfaudler Permutit Inc | Underdrain for a tank |
DE1302745C2 (de) * | 1963-08-15 | 1973-07-19 | Gebrüder Sulzer AG, Winterthur (Schweiz·.) | Betonfilterboden einer schnellfilteranlage |
DE1958124U (de) * | 1967-02-07 | 1967-04-06 | Berliner Wassertechnische Ges | Filterduese fuer fluessigkeitsaufbereitungsanlagen. |
DE2414080C3 (de) * | 1974-03-23 | 1980-06-04 | L. & C. Steinmueller Gmbh, 5270 Gummersbach | Flüssigkeitsfilter |
DE2436447C3 (de) * | 1974-07-29 | 1980-04-10 | Preussag Ag, 3000 Hannover Und 1000 Berlin | Rückspülbares Filter ohne Düsenboden mit kombinierter Luft- und Wasserspülung |
-
1978
- 1978-05-10 CH CH506678A patent/CH627090A5/de not_active IP Right Cessation
- 1978-12-04 AT AT0863978A patent/AT370339B/de not_active IP Right Cessation
- 1978-12-04 DE DE2852316A patent/DE2852316C3/de not_active Expired
-
1979
- 1979-01-05 JP JP54000561A patent/JPS5850523B2/ja not_active Expired
- 1979-01-19 GB GB7901938A patent/GB2020562B/en not_active Expired
- 1979-01-19 FR FR7901344A patent/FR2425261B1/fr not_active Expired
- 1979-01-24 ES ES477124A patent/ES477124A1/es not_active Expired
- 1979-02-06 IT IT19921/79A patent/IT1111791B/it active
- 1979-04-05 NL NL7902698A patent/NL7902698A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS5850523B2 (ja) | 1983-11-11 |
DE2852316B2 (de) | 1981-04-16 |
JPS54147574A (en) | 1979-11-17 |
DE2852316C3 (de) | 1981-11-26 |
IT7919921A0 (it) | 1979-02-06 |
CH627090A5 (fr) | 1981-12-31 |
DE2852316A1 (de) | 1979-11-15 |
NL7902698A (nl) | 1979-11-13 |
ES477124A1 (es) | 1979-12-16 |
GB2020562A (en) | 1979-11-21 |
AT370339B (de) | 1983-03-25 |
FR2425261A1 (fr) | 1979-12-07 |
ATA863978A (de) | 1982-08-15 |
GB2020562B (en) | 1982-10-13 |
IT1111791B (it) | 1986-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |