Quartz sand is nearly round in grain shape and has a generally smooth surface. It is preferred for use as the bottom layer in dual media filters and also for use in single-layer filtration.
Coarse quartz gravel, i.e. grain sizes > 2 mm, is available for use as support gravel.
- Drinking water treatment
- Sea water desalination
- Wastewater treatment
- Water treatment in swimming pools
- Process water treatment
Chemical and physical characteristics
|SiO2||approx. 97.0 %|
|Al2O3||approx. 1.1 %|
|Fe2O3||approx. 0.3 %|
|Loss on Ignition||approx. 0.2 %|
|Specific density||approx. 2.65 g/cm³|
|Bulk density||approx. 1400 – 1600 kg/m³|
|Hardness||approx. 7 Mohs|