(b) An experimental filter press having an area of 0.05 m2 is used to filter an aqueous BaCO3 slurry at a constant pressure of 250 kPa. The filtration equation obtained was: tV = 8.3x106 V + 2.4x103 where t is in s and V is in m3. [µ=0.0012 Pa.s] If the same slurry and conditions are used in a leaf press having an area of 7.0 m2, how long will it take to obtain 2 m3 of filtrate?

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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(b) An experimental filter press having an area of 0.05 m2 is used to filter an
aqueous BaCO3 slurry at a constant pressure of 250 kPa. The filtration equation
obtained was:
tN = 8.3×106 V + 2.4×103
where t is in s and V is in m³. [µu=0.0012 Pa.s]
If the same slurry and conditions are used in a leaf press having an area of 7.0
m?, how long will it take to obtain 2 m3 of filtrate?
(c) 30 um particles in a water suspension are to be removed using a
centrifugal separator operating at 2500 rpm. Calculate the effective radius
required for the separation when the velocity of separation is 0.003 m/s and the
particle density is 1450 kg/m3. [The liquid viscosity is 4.2 mPa.s with a
density of 1050 kg/m³]
Transcribed Image Text:(b) An experimental filter press having an area of 0.05 m2 is used to filter an aqueous BaCO3 slurry at a constant pressure of 250 kPa. The filtration equation obtained was: tN = 8.3×106 V + 2.4×103 where t is in s and V is in m³. [µu=0.0012 Pa.s] If the same slurry and conditions are used in a leaf press having an area of 7.0 m?, how long will it take to obtain 2 m3 of filtrate? (c) 30 um particles in a water suspension are to be removed using a centrifugal separator operating at 2500 rpm. Calculate the effective radius required for the separation when the velocity of separation is 0.003 m/s and the particle density is 1450 kg/m3. [The liquid viscosity is 4.2 mPa.s with a density of 1050 kg/m³]
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