Rapid Sand Filter can remove bacteria up to an extent of 80%.
Solution
Filtration is a process of passing water through the beds of granular materials. It helps in removal of color, odour, turbidity and pathogenic bacteria from water.
Mechanism of Filtration- The various mechanisms of filtration are given below.
- Mechanical Straining
- Sedimentation
- Impact
- Interception
- Biological Growth
There are two types of Filtration processes
- Slow Sand Gravity Filter
- Rapid Sand Gravity Filter
Rapid Sand Filter can remove bacteria up to an extent of 80%.
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