Water Purification

Water Purification - the sand filter. 7. In the sand...

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Water Purification (Step by step) 1. Water comes from a reservoir 2. Alum is added to help settle any particle 3. Water moves into a “mixing tank” 4. Chlorine is added to kill bacteria 5. Water moves into a settling a basin. 6. Solids or “Sludge” are removed from the settling basin and water moves into
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Unformatted text preview: the sand filter. 7. In the sand filter, any other particles that were not removed are filtered out here. 8. Lime is added to raise pH (if necessary) 9. Fluoride is added for health of teeth 10. water is then sent to distribution...
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