CA2514677C - Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence - Google Patents
Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence Download PDFInfo
- Publication number
- CA2514677C CA2514677C CA002514677A CA2514677A CA2514677C CA 2514677 C CA2514677 C CA 2514677C CA 002514677 A CA002514677 A CA 002514677A CA 2514677 A CA2514677 A CA 2514677A CA 2514677 C CA2514677 C CA 2514677C
- Authority
- CA
- Canada
- Prior art keywords
- filter
- layer
- filter layer
- floc
- liquid
- 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 - Lifetime
Links
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US576,023 | 1990-08-31 | ||
US07/576,023 US5080808A (en) | 1990-08-01 | 1990-08-31 | Method of washing an upflow filter and filter bed employed in said filter |
CA002330528A CA2330528C (fr) | 1990-08-31 | 1991-08-23 | Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002330528A Division CA2330528C (fr) | 1990-08-31 | 1991-08-23 | Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2514677A1 CA2514677A1 (fr) | 1992-03-01 |
CA2514677C true CA2514677C (fr) | 2009-11-24 |
Family
ID=35276923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002514677A Expired - Lifetime CA2514677C (fr) | 1990-08-31 | 1991-08-23 | Methode pour le lavage a contre-courant de filtres; le lit filtrant utilise en l'occurrence |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2514677C (fr) |
-
1991
- 1991-08-23 CA CA002514677A patent/CA2514677C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2514677A1 (fr) | 1992-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |