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(Solved): 3.10. Filtration time. In a filtration process, 100 g are obtainedof a cake that forms a bed of 80 c ...


3.10. Filtration time. In a filtration process, 100 g are obtained
of a cake that forms a bed of 80 cm3
with a porosity of 0.2. Time
filtrate was 20 min and the volume of filtrate collected in this period
of 2 L. The resistance of the filter medium is considered negligible and the cake
incompressible.
Required: Estimate the time to form a 300 g cake


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To estimate the time to form a 300 g cake, we can use the concept of filtration rate and assume that the filtration process remains constant. The filtration rate is defined as the volume of filtrate collected per unit time per unit area of the filter bed.

Given information: Initial cake weight (W1) = 100 g Initial cake volume (V1) = 80 cm^3 Porosity (?) = 0.2 Time to collect filtrate (t) = 20 min Volume of filtrate collected (V) = 2 L = 2000 cm^3
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