downflow open sand filtration - Aquazur® V
![downflow open sand filtration - Aquazur® V](https://www.suezwaterhandbook.com/var/degremont/storage/images/technologies-degremont-r/production-d-eau-potable/filtration-filtres-a-sables/un-filtre-a-sable-ouvert-a-courant-descendant-aquazur-r-v/73954-16-eng-GB/downflow-open-sand-filtration-Aquazur-R-V.jpg)
As all filters, it is a separator solid-liquid. It retains suspended solids in raw water thanks to a thick layer of sand.
Aquazur® V is typically used for a drinking water treatment line : coagulation, flocculation , separation, filtration.
application :
- as direct filtration on low suspended solids water types
- for iron, manganese and ammonia removal (if limited concentration and under specific operating conditions (pH, Temperature,..)
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![aquazur V sand filtration schema](https://www.suezwaterhandbook.com/var/degremont/storage/images/technologies-degremont-r/production-d-eau-potable/filtration-filtres-a-sables/un-filtre-a-sable-ouvert-a-courant-descendant-aquazur-r-v/dossier-media/aquazur-v-sand-filtration-schema/73993-3-eng-GB/aquazur-V-sand-filtration-schema_articlewidth.jpg)
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key figures
- Filtration rate Up to 25 m/h
- Wash water rate of 14 m3/m2/hr
among our references
- Djiri (Congo) 144,000 m3/d
- Kozhicode (Kerala, India) 174,000 m3/d
- Milan San Rocco (Italia) 14,400 m3/h
- Mostaganem-Arzem-Oran (Algérie) 561,600 m3/d
- High-velocity filter
- No turbidity peak due to no overload when washing the other filters
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