Alternatives to Chlorine

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5 Terms

1
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Name 2 alternatives of purifying drinking water:

Ozone and UV light

2
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Why is using ozone a good thing?

It's a strong oxidising agent, which makes it great at killing microorganisms.

3
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Why is using ozone a bad thing?

It's expensive to produce and its short half-life in water means that treatment isn't permanent.

4
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Why is using UV light a good thing?

It kills microorganisms by damaging their DNA

5
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Why is using UV light a bad thing?

It's ineffective in cloudy water and won't stop the water being contaminated further down the line.