Science, asked by ssuvanik, 2 months ago

a sewage treatment plant involves the following steps in its working​

Answers

Answered by yanshika141
1

Explanation:

number one

bar screen

number two

sediment tanks

number three

water speed get slow and goes to a tank which is tilted toward middle and sludge remove it get compose by anaeroBic bacteria which produce biogas

number four

air is pull in so that the aerobic bacteria eat the whole other organic impurity then water take out from top lower remain as activated sludge which contain 97% of water it get evapourate and make fertilizer

number four

water is ready to release in rivers nature clean that further

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