DE2812819A1 - Verfahren zur filtration von suspensionen und verwendung dieses verfahrens zur trinkwasseraufbereitung, zur abwasserreinigung und zur filtration nichtwaessriger suspensionen - Google Patents
Verfahren zur filtration von suspensionen und verwendung dieses verfahrens zur trinkwasseraufbereitung, zur abwasserreinigung und zur filtration nichtwaessriger suspensionenInfo
- Publication number
- DE2812819A1 DE2812819A1 DE19782812819 DE2812819A DE2812819A1 DE 2812819 A1 DE2812819 A1 DE 2812819A1 DE 19782812819 DE19782812819 DE 19782812819 DE 2812819 A DE2812819 A DE 2812819A DE 2812819 A1 DE2812819 A1 DE 2812819A1
- Authority
- DE
- Germany
- Prior art keywords
- filtration
- filter
- pressure drop
- suspensions
- layer
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 29
- 238000001914 filtration Methods 0.000 title claims description 25
- 239000000725 suspension Substances 0.000 title claims description 18
- 230000008569 process Effects 0.000 title claims description 16
- 239000002351 wastewater Substances 0.000 title claims description 6
- 239000007900 aqueous suspension Substances 0.000 title claims description 5
- 239000003651 drinking water Substances 0.000 title claims description 4
- 235000020188 drinking water Nutrition 0.000 title claims description 4
- 238000000746 purification Methods 0.000 title description 5
- 239000002245 particle Substances 0.000 claims description 11
- 238000005189 flocculation Methods 0.000 claims description 5
- 230000016615 flocculation Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 239000003348 petrochemical agent Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 210000003608 fece Anatomy 0.000 claims 1
- 230000035943 smell Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000011001 backwashing Methods 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000008237 rinsing water Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating agents
-
- 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
- B01D24/105—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 downward filtration without specifications about the filter material supporting means
-
- 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
- B01D24/48—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
- B01D24/4884—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 by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH237678A CH632935A5 (de) | 1978-03-06 | 1978-03-06 | Verfahren zur filtration von suspensionen und anwendung dieses verfahrens zur trinkwasseraufbereitung und zur abwasserreinigung. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2812819A1 true DE2812819A1 (de) | 1979-10-04 |
Family
ID=4232323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782812819 Withdrawn DE2812819A1 (de) | 1978-03-06 | 1978-03-23 | Verfahren zur filtration von suspensionen und verwendung dieses verfahrens zur trinkwasseraufbereitung, zur abwasserreinigung und zur filtration nichtwaessriger suspensionen |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH632935A5 (fr) |
| DE (1) | DE2812819A1 (fr) |
| FR (1) | FR2422428A1 (fr) |
| GB (1) | GB2015891B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022123613B3 (de) | 2022-09-15 | 2023-11-16 | CERAFILTEC Germany GmbH | Verfahren zur Bestimmung der Sättigungsdauer eines Adsorptionsmittels und zum Abschätzen des Ist-DOC-Anteils eines zu filtrierenden Testmediums |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT8104953V0 (it) * | 1981-07-22 | 1981-07-22 | Culligan Italiana | Perfezionamenti negli impianti per il trattamento delle acque mediante filtrazione diretta e con l'uso di filtri disposti in serie |
| EP0084520B1 (fr) * | 1982-01-19 | 1985-05-29 | Ciba-Geigy Ag | Système filtrant |
| US4478714A (en) * | 1983-01-10 | 1984-10-23 | Ciba-Geigy Ag | Pressurized filtration system |
-
1978
- 1978-03-06 CH CH237678A patent/CH632935A5/de not_active IP Right Cessation
- 1978-03-23 DE DE19782812819 patent/DE2812819A1/de not_active Withdrawn
-
1979
- 1979-03-02 GB GB7907463A patent/GB2015891B/en not_active Expired
- 1979-03-02 FR FR7905472A patent/FR2422428A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022123613B3 (de) | 2022-09-15 | 2023-11-16 | CERAFILTEC Germany GmbH | Verfahren zur Bestimmung der Sättigungsdauer eines Adsorptionsmittels und zum Abschätzen des Ist-DOC-Anteils eines zu filtrierenden Testmediums |
| WO2024056312A1 (fr) | 2022-09-15 | 2024-03-21 | CERAFILTEC Germany GmbH | Procédé de détermination de temps de saturation d'un adsorbant |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2015891A (en) | 1979-09-19 |
| FR2422428B1 (fr) | 1983-01-21 |
| CH632935A5 (de) | 1982-11-15 |
| FR2422428A1 (fr) | 1979-11-09 |
| GB2015891B (en) | 1982-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAR | Request for search filed | ||
| OB | Request for examination as to novelty | ||
| OC | Search report available | ||
| 8139 | Disposal/non-payment of the annual fee |