Question

A stream of 25 m3 /sec discharge has pollutant concentration of 400 ppm (mg/l). The effluent from an industry is discharged into the stream at the rate of 2.0 m3 /sec with a concentration of 20000 ppm. Compute the resultant concentration

22 Apr 2018
Answer :
Word Count : 55

The resultant concentration,

\L _{0}=\frac{\mathbb{Q}_{p}\L _{1}+\mathbb{Q}_{e}\L _{2}}{\mathbb{Q}_{w}+ \mathbb{Q}_{r}}

Here, \mathbb{Q}_{p}, is volumetric

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