Filter AG - non-hydrated quartz sand

Raw material: non-hydrated quartz sand.

Color: Light gray, almost white

Mesh number: 12 x 30.

Presentation: 1 ft3 bags


Drinking water filtration

Tertiary filtration of waste water

Product images are illustrative and may vary from the physical product.



Less pressure loss through the FILTER AG bed than through most other filter media.

Its light weight requires lower backwash speeds than those required by other filter media.

Its efficiency results in less equipment cost and space savings.

Its high sediment reduction capacity results in a longer filter life, with substantial savings in the water used for backwashing and downtime.

Reduced shipping costs due to small fart / volume ratio.

Replacing sand with FILTER AG in existing installations can increase filter capacity by one 100% or more.

Care must be taken at startup so that FILTER AG is not washed down the drain due to its light weight.

FILTER AG has many extraordinary advantages over the most common granular filter media used for suspended solids reduction.

Its fractured and uneven surface edges provide a large surface area and complex flow path for efficient removal of suspended matter through the filter bed, typically reducing suspended solids below the 20-40 micron range.

Larger FILTER AG particles create less pressure loss across the filter, and allow deeper penetration of the sediment into the bed, to increase the carrying capacity of the sediment for longer filter life. This large, irregular shape prevents sifting and caking of sediment in several inches of the top of the filter bed, as occurs in the typical sand filter, therefore, it avoids the accelerated formation of pressure drop and problems of clogging.

The light weight of FILTER AG means slower backwash speed and better bed expansion to loosen trapped sediment and rinse the filter media during the backwash cycle.

This ideal combination of particle shape, size and density makes FILTER AG a good choice when the quality of water filtration and its conservation are important.

Although it is not intended to be an iron reduction medium, extensive experience in the field has shown that the rough, jagged surface of FILTER AG is very good at trapping flocs that form after dissolved iron has oxidized. .

The chipped edges are apparently good "floc" collection points for precipitated iron. Typical oxidation methods include aeration, ozonation, and chlorination.

Data sheet

Filter AG

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