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Answered

Raw primary sludge at a solids concentration of 4% is mixed with waste activated sludge at a solids concentration of 0.5%. The flows are 20 and 24 gal/min,
respectively. What is the resulting solids concentration?

Sagot :

Marygaydeverago

Answer:

Calculate total flow:

Add for raw sludge and for waste activated sludge to get the total flow.

Explanation:

Calculate loss in the concentration of metals:

For Cd, concentration lost

For Cr, concentration lost

For Hg, concentration lost

For Pb, concentration lost

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