For traditional wastewater filtration, gravity downflow granular filters using sand or anthracite as a medium are commonly used. One major problem with these filters is that upon backwashing the ...

2A concrete sand is the most commonly used sand filter in New Zealand’s wastewater treatment systems, but it’s expensive, and not always available - so what about crushed glass? Through his research ...

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 ...

For traditional wastewater filtration, gravity downflow granular filters using sand or anthracite as a medium are commonly used. One major problem with these filters is that upon backwashing the ...