Question

How does the microorganisms are used to purify water?​

Answer 1

Answer:

Micro organism are used in the secondary treatment or in biological tretment in sewage treatment where the water is purified by microbs

Explanation:

The polouted water heaving organic material are pased in to a tank then the flocs( masses of bacteria) are given in to the tank so the microbs are grow in nomber by eating the organic material. When all the organic mater bicome consumed the bacteria are becom dead due to the food defi ency and clot at the base and the water become organic naterial free