mayawali mayawali

31-05-2016
Chemistry

contestada

Why is the chlorine that is added to final,
treated waste water allowed to get used up
before it is discharged into a river or lake?

Respuesta :

05-06-2016

Chlorine is used as a disinfectant to wastewater treatment plants. The addition of chlorine to the final treated water is because to make sure that some of the microorganisms not killed during treatment is eliminated. It is consumed before it is released to the environment to ensure that microorganisms and other marine life are not killed in the process too.

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