FR491509A - Improvements relating to water filtration - Google Patents
Improvements relating to water filtrationInfo
- Publication number
- FR491509A FR491509A FR491509A FR491509DA FR491509A FR 491509 A FR491509 A FR 491509A FR 491509 A FR491509 A FR 491509A FR 491509D A FR491509D A FR 491509DA FR 491509 A FR491509 A FR 491509A
- Authority
- FR
- France
- Prior art keywords
- water filtration
- improvements relating
- relating
- filtration
- water
- 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
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
- B01D2201/087—Regeneration of the filter using gas bubbles, e.g. 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
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB491509X | 1917-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR491509A true FR491509A (en) | 1919-06-06 |
Family
ID=1527506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR491509A Expired FR491509A (en) | 1917-10-11 | 1918-08-12 | Improvements relating to water filtration |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR491509A (en) |
-
1918
- 1918-08-12 FR FR491509A patent/FR491509A/en not_active Expired
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