1.

Compute the required pressure for the flotation thickener without recycle for the following information:A/S = 0.008 mL/mgTemperature: 20 degree CelsiusAir solubility: 18.7 mL/LRecycle steam pressure: 275 kPaFraction of saturation: 0.5Surface Loading rate: 8 L/m2/minSludge flow rate: 400 m3/d

A. 302 kPa
B. 640 kPa
C. 380 kPa
D. 680 kPa
Answer» B. 640 kPa


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