Question

Compute the required pressure for the flotation thickener without recycle for the following information:

A/S = 0.008 mL/mg
Temperature: 20 degree Celsius
Air solubility: 18.7 mL/L
Recycle steam pressure: 275 kPa
Fraction of saturation: 0.5
Surface Loading rate: 8 L/m²/min
Sludge flow rate: 400 m³/d

a.

302 kPa

b.

640 kPa

c.

380 kPa

d.

680 kPa

Answer: (a).302 kPa

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Q. Compute the required pressure for the flotation thickener without recycle for the following information: A/S = 0.008 mL/mg Temperature: 20 degree Celsius Air solubility: 18.7...

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Surface Loading rate: 8 L/m²/min
Sludge flow rate: 400 m³/d

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