Question

what are the component of sewage

Answer 1

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$\mathfrak{\blue{Answer→}}$These include high concentrations of ammonium, nitrate, nitrogen,phosphorus, high conductivity (due to high dissolved solids), high alkalinity, with pH typically ranging between 7 and 8. The organic matter of sewage is measured by determining its biological oxygen demand (BOD) or the chemical oxygen demand (COD).
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