Question

what are the various methods used to purify water ?​

Answer 1

There are twenty-five methods to purify water, divided into four categories:

separation, filtration, chemicals, oxydation. There are five types of contaminants that are found in water: particulates, bacteria, minerals, chemicals, and pharmaceuticals.

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Answer 2

Answer:

1. Boiling
2. Filtration
3. Loading
4. Chlorination

• Loading The contaminated water is purified by using alum . The heavier particles are made heavier by their accumulation around alum.
• Filtration The dirty water is transferred through successive layers of sand , gravel and charcoal.
• Boiling High temperature attained through boiling kills germs.
• Chlorination water is purified by using chlorine tablets or calciumoxychloride.