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A slurry containing 5 g of solids per liter is passed through a filter at a constant flow rate of 50 L/min. The filter has an area of 400 cm^2. The liquid is water with a viscosity of 1 cP and density of 1 kg/L. The solids can be considered spheres with an average diameter of 0.1 mm and density 1.25 kg/Land the cake accumulated on the filter has a void fraction of 0.35.
(a) Assuming that the Blake-Kozeny equation applies, derive an expression to calculate the pressure drop through the cake as a function of time.
(b) If the maximum pressure drop allowed through the filter is 500 kPa, how long can the filter run before it needs cleaning?
(c) What is the thickness of the cake at the end of the cycle?
Consider Example 12.4.1. With the assumed current-source excitations of part (c), determine the voltages induced in the stator and rotor windings at the corresponding angular velocity ωm at which an average torque results.
When algae growing in water containing only 16O were furnished carbon dioxide containing 18O, no 18O was found to be evolved from the oxygen gas produced. What conclusions about photosynthesis can be drawn from these experiments?
CHEN3003 Process Synthesis & Design - Perform an extension study related to process synthesis and design, explaining the benefits of the study, your method
Calculate the theoretical stages needed to separate a 10 mole% ethanol liquid saturated feed into a 80 mole% distillate and a 0.1 mole% bottoms at 1 atmosphere pressure.
What must be the area of a parallel plate capacitor, with plates separated a distance d = 0.01 mm and relative permittivity of 4 for the dielectric between the plates to supply the same charge as the battery in (a)?
The gas density is 0.075 lb/ft3. The liquid density is 55 lb/ft3. The viscosity of the oil is 20 centipoises. Under these conditions, estimate the necessary tower diameter and the pressure drop through the tower as inches of water per foot of pack..
describe the principles of a vapour adsorption refrigeration system and compare this to a vapour recompression system.
With the number of poles decided, find the speed in r/min at which the motor-generator set will operate.
The burner is fitted with a cooling jacket, which cools the exit gases to 200 °C. The gases are further cooled, to 50°C, in an external heat exchanger.
air at 4mpa and 3000c enters a will insulated turbine operating at steady state with negligible velocity. the air
An overall average of 65,000 lb of water per 24-h day must be evaporated during each 30-day period. (b) An overall average of 81,000 lb of water per 24-h day must be evaporated during each 30-day period.
Construct a reaction which has an induced kinetic differential equation that has solutions defined on the whole positive half-line of real numbers and which still does not belong to any of the reaction classes above.
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