Science, asked by kumarukesh22057, 5 hours ago

6. Filtration through sand-bed removes all suspended impurities but not all the
germs. Why?​

Answers

Answered by Anonymous
1

Answer:

Uses in water treatment

Slow sand filters produce high-quality water without the use of chemical aids. Passing flocculated water through a rapid gravity sand filter strains out the floc and the particles trapped within it, reducing numbers of bacteria and removing most of the solids.

Explanation:

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Answered by aayushupriya
1

Answer:

Uses in water treatment

Slow sand filters produce high-quality water without the use of chemical aids. Passing flocculated water through a rapid gravity sand filter strains out the floc and the particles trapped within it, reducing numbers of bacteria and removing most of the solids.

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