Science, asked by Karanpathsk, 1 year ago

main steps used in sewage treatment

Answers

Answered by purvanaik03
0
Stage 1: screening
Screening removes large objects

Stage 2:primary treatment
the separation of organic solid matter (or human waste) from the wastewater

Stage3: secondary treatment
The water, at this stage, is put into large rectangular tanks. These are called aeration lanes. Air is pumped into the water to encourage bacteria to break down the tiny bits of sludge that escaped the sludge scrapping process.

Stage 4:final treatment
Answered by KshitijMaurya
1
Step 1: screening
Screening removes large objects,like plastics,papers,etc
Step 2:Oil ,greese and other substances are removed from a rotating belt
Step 3: secondary treatment
The water, at this stage, is put into large rectangular tanks. These are called aeration lanes. Air is pumped into the water to encourage bacteria to break down the tiny bits of sludge that escaped the sludge scrapping process.

Step 4:final treatment with chlorine
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