Question

what is jorney of waste water for purification​

Answer 1

$\huge \mathfrak \red{Answer}$

➡The wastewater leaving primary treatment then enters the secondary treatment process which is a two-phase process.

➡ In the second phase, the wastewater undergoes another sedimentation process where the microorganisms (called activated sludge) are removed from the fairly clean wastewater.

Answer 2

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