Water filter
device · 1804 · Industrial Revolution
Purifying water by filtering it through sand and charcoal.
What it is made of
- Activated carbon — has part. A charcoal filter.
Principles and materials it uses
- Silica (sand) — is made of. Slow filters are layers of sand and gravel.
- Gravity flow — uses. Water seeps through by gravity.
Where it is used
- Water treatment plant — is used in. Sand filters.
- Drip irrigation — is part of. Water is filtered before the drippers, or the thin tubes clog.
- Water treatment plant — is part of. Sand filters.
Things built in a similar way
- Paper coffee filter — works like. Filtering a liquid through a porous medium.