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One thousand kg per day ( 1 metric ton/day) of a slurry (watersolid mixture) containing 10% by weight of CaCO3 are to be filtered in
One thousand kg per day ( 1 metric ton/day) of a slurry (watersolid mixture) containing 10% by weight of CaCO3 are to be filtered in a rotary vacuum filter. The cake exiting the rotary filter contains 40%CaCO3. This cake is then placed into a drier and dried to a moisture content of 9.09 kgH2O/100kgCaCO. The air, at atmospheric pressure, enters the drier at 120C and 3% of relative humidity, and exits the unit saturated at 50C. The barometer reads 756mmHg. a) Draw a picture of the process. b) Determine the water content of the air entering the drier (mol\%) c) Determine the water content of the air entering the drier (mass\%) d) Determine the dew point of the air entering the drier e) Determine the water content of the solid exiting the drier (mass\% of water) f) Determine the total mass of the filter cake entering the drier ( kg/day) g) Determine the amount of water removed from the cake in the drier (kg/day) h) Calculate the amount of humid air that enters the drier ( kg/ day) i) Compute the volumetric flowrate ( m3/ day) of humid air entering the drier
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