Purifying water
Teacher recommended
?- Created by: Uswa
- Created on: 24-03-13 15:00
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- Purifying Water
- Water of the correct quality is essential for life
- For humans: Water should have sufficiently LOW levels of dissolved SALTS and MICROBES
- Water of the correct quality is produced by:
- Choosing an appropriate source
- Passing water through FILTER beds to remove any SOLIDS
- Sterilising with chlorine
- Fluorine added to drinking water
- To improve dental health
- Chlorine added to drinking water
- Reduce microbes
- Water FILTERS (containing carbon and silver) and ION EXCHANGE RESINS
- Can remove some dissolved substances from tap water
- To improve quality and taste
- Can remove some dissolved substances from tap water
- Pure water can be produced by DISTILLATION
- But this is expensive and requires a large amount of energy
- Water of the correct quality is essential for life
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