Rapid Sand Filter Can Remove Bacteria Up To An Extent Of

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.

1. Mechanical Straining
2. Sedimentation
3. Impact
4. Interception
5. Biological Growth

There are two types of Filtration processes

1. Slow Sand Gravity Filter
2. Rapid Sand Gravity Filter

Rapid Sand Filter can remove bacteria up to an extent of 80%.

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