FIELD: liquid purification by filtering. SUBSTANCE: filter has casing, drainage base located on which are a layer of grainy media and a set of immovable plates which are made corrugated, wavy or bent in form of system of inclined troughs whose upper edges are located above media and the lower edges are in upper part of media layer. EFFECT: higher efficiency. 2 cl, 3 dwg , 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| FILTER FOR CLEANING NATURAL AND SEWAGE WATERS | 0 |
|
SU1805993A3 |
| FILTER WITH GRANULAR CHARGE | 2001 |
|
RU2201789C2 |
| FILTER WITH GRAINY CHARGE | 2002 |
|
RU2217210C2 |
| METHOD OF CLEANING LIQUID THROUGH FILTRATION | 2000 |
|
RU2185224C2 |
| UNDERGROUND WATER DEIRONING PLANT | 1993 |
|
RU2111176C1 |
| PRESSURE FILTER WITH GRAIN MEDIA | 2001 |
|
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| FILTER FOR CLEANING LIQUID FROM NON-SOLUBLE ADMIXTURES | 0 |
|
SU1720684A1 |
| METHOD AND APPARATUS FOR FILTRATION OF LIQUIDS | 1990 |
|
RU2054300C1 |
| METHOD OF WATER PURIFICATION AND DEVICE FOR METHOD EMBODIMENT | 2001 |
|
RU2208593C2 |
| WATER INTAKE PURIFICATION DEVICE | 0 |
|
SU923569A1 |
