A sand filter, or "filtration basin", is a stormwater quality treatment system that works by using a two-component clarification system: the first is a sediment forebay for settling large particles ...

Filtration close filteringThe process of passing ... is a method for separating an insoluble solid from a liquid. When a mixture of sand and water is filtered: ...

The science behind fouling involves several physical, chemical and biological interactions that can clog or block the filter ...