DK208485A - Fremgangsmaade til rensning af et filter til et vandrensningsanlaeg - Google Patents
Fremgangsmaade til rensning af et filter til et vandrensningsanlaeg Download PDFInfo
- Publication number
- DK208485A DK208485A DK208485A DK208485A DK208485A DK 208485 A DK208485 A DK 208485A DK 208485 A DK208485 A DK 208485A DK 208485 A DK208485 A DK 208485A DK 208485 A DK208485 A DK 208485A
- Authority
- DK
- Denmark
- Prior art keywords
- cleaning
- procedure
- filter
- water cleaner
- cleaner
- Prior art date
Links
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
- B01D24/20—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 provided in an open container
- B01D24/24—Downward filtration, the container having distribution or collection headers or pervious conduits
-
- 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
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- 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
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4694—Regenerating the filtering material in the filter containing filter material retaining means (e.g. screens, balls) placed on the surface of the filter material
-
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4807—Handling the filter cake for purposes other than regenerating
- B01D24/4846—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/10—Filtration under gravity in large open drainage basins
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB848412085A GB8412085D0 (en) | 1984-05-11 | 1984-05-11 | Clean water treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK208485D0 DK208485D0 (da) | 1985-05-10 |
| DK208485A true DK208485A (da) | 1985-11-12 |
Family
ID=10560818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK208485A DK208485A (da) | 1984-05-11 | 1985-05-10 | Fremgangsmaade til rensning af et filter til et vandrensningsanlaeg |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0161912A3 (da) |
| AU (1) | AU4209185A (da) |
| BR (1) | BR8502235A (da) |
| DK (1) | DK208485A (da) |
| ES (1) | ES8706466A1 (da) |
| GB (1) | GB8412085D0 (da) |
| NZ (1) | NZ211991A (da) |
| PT (1) | PT80444B (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8807234D0 (en) * | 1988-03-25 | 1988-04-27 | Simpson J R | Innovative development of slow sand filter |
| US5264129A (en) * | 1988-03-25 | 1993-11-23 | Biofil Limited | Filter device |
| US5108614A (en) * | 1989-05-10 | 1992-04-28 | Serrener Consultation Inc. | Device and a method for filtering a liquid with wood ash to remove impurities therefrom |
| WO1994013381A1 (en) † | 1992-12-10 | 1994-06-23 | Thames Water Utilities Limited | Removal of impurities |
| US7819865B2 (en) | 2006-09-20 | 2010-10-26 | Covidien Ag | Electrosurgical radio frequency energy transmission medium |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE92814C (da) * | ||||
| GB191303751A (en) * | 1913-05-21 | 1913-12-04 | Andrew Mitchell | Improvements in Means for Filtering Water, Sewage and the like. |
-
1984
- 1984-05-11 GB GB848412085A patent/GB8412085D0/en active Pending
-
1985
- 1985-05-06 NZ NZ211991A patent/NZ211991A/en unknown
- 1985-05-08 AU AU42091/85A patent/AU4209185A/en not_active Abandoned
- 1985-05-09 EP EP85303286A patent/EP0161912A3/en not_active Withdrawn
- 1985-05-10 DK DK208485A patent/DK208485A/da not_active Application Discontinuation
- 1985-05-10 PT PT80444A patent/PT80444B/pt unknown
- 1985-05-10 BR BR8502235A patent/BR8502235A/pt unknown
- 1985-05-10 ES ES543584A patent/ES8706466A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0161912A2 (en) | 1985-11-21 |
| AU4209185A (en) | 1985-11-14 |
| NZ211991A (en) | 1987-10-30 |
| EP0161912A3 (en) | 1986-12-30 |
| GB8412085D0 (en) | 1984-06-20 |
| DK208485D0 (da) | 1985-05-10 |
| PT80444A (en) | 1985-06-01 |
| BR8502235A (pt) | 1986-01-14 |
| ES543584A0 (es) | 1987-07-01 |
| ES8706466A1 (es) | 1987-07-01 |
| PT80444B (en) | 1986-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |