SWRO Plant Hamma / Algeria
Pre-filtration with EVERZIT® N - without silicic acid elution
This desalination plant, built in 2007 in Hamma Algeria, is one of the largest of its kind in Africa. It supplies fresh drinking water for one third of the 6 million inhabitants of the country’s capital city Algiers.
Advantages of EVERZIT® N
Used as the upper layer in these multilayer filter beds, EVERZIT® N increases treatment capacity and reduces operating costs by providing specific benefits:
- Increased solids filtration capacity
- Higher flow speeds through filter bed
- Reduced pressure drop
- Longer operation cycle of filter media
- Reduced backwash-related downtime and costs
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Technical Data
| Capacity of pre-treatment filtration: | approx. 20.000 m³/h |
| Capacity of RO plant: | approx. 200.000 m³/d |
| Filter units: | 32 open multi-layer filters |
| Total filter surface: | approx. 2.000 m² |
| Filter velocity: | approx. 10 m/h |
| Year of construction: | 2007 |
Filter layout
| Filter material | Height | Grain size |
| EVERZIT® N: | 1500 mm | 0.8 - 1.6 mm |
| Quarzsand: | 400 mm | 0.4 - 0.8 mm |
| EVERZIT® GS: | 75 mm | 1.4 - 2.5 mm |
| Quartzgravel: | 400 mm | 3.15 - 50.0 mm |
