Filter Sand
Filter sand is produced from natural quartz sands after washing and screening processes in accordance with TS EN 12904 standards and classified in the desired dimensions. Quartz sands used as filter sands do not dissolve in acid tests and do not lose mass.
Filter sands are mainly used in drinking water treatment plants, wastewater treatment plants, boiler filters and swimming pools. Quartz Filter sands must comply with TS EN 12904 standards. When the right product is selected, the quality of drinking water increases accordingly.
“Quartz filter sands used in filters have a high wear resistance. For this reason, it offers long-term solutions in filtration.”
There are fast and slow sand filter systems in drinking water treatment plants. Quick sand filters generally work with a nozzle and a backwash system in the filter sand range of 0,800-1,200 mm. In slow sand filters, bedding is made with 15-25 mm gravel and 5-15 mm gravel. 3-5 mm and 1-3 mm gravel is placed on it. On the top layer, filter sand is placed at a height of about 1 meter in the range of 0,300-0,500 mm. Water flow rate is low in slow filters. Slow or fast sand filter selections are made according to the chemical structure and pollution rate of the water. Sometimes the top layer filter sand sizes can be in the range of 0.400-0.800 mm and 0.600-1.0 mm or an alternative specified size.
Purpose of Use of Filter Sand :
Sand filters are high-efficiency units designed to remove insoluble particles of various sizes and suspended solids in water. While sand filters keep suspended solids in the water, they also prevent the units to be installed after them from sediment. enabling them to fully fulfill their duties. Therefore, the main unit that must be in a general treatment system is the sand filter.
Filtration :
Fully automatic sand filters have a structure consisting of different sizes of Quartz and anthracite layers inside polyethylene or steel tanks. Thanks to this structure created, filtration is ensured to be more efficient by spreading not only on the upper surface of the filter bed but also on all layers.
Technical Specifications of Filter Sand :
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