7. A slurry containing 1 lbm of solids per gallon of water is to be filtered in a plateand-frame filter with a total filtering area of 60 ft^2 . The slurry is fed to the filter by a centrifugal pump that develops a head of 20 psig. How long would it take to build up a layer of filter cake 4 in. thick on the filter medium? Laboratory data were taken on the slurry using a positive displacement pump operating at 5 gpm and 1 ft^2 of filter medium. It was found that the pressure drop increased linearly with time from an initial value of 0.2 psi to a value of 50 psi after 1 min. The density of the dry filter cake was found to be 0.85 g/cm^3 .
7. A slurry containing 1 lbm of solids per gallon of water is to be filtered in a plateand-frame filter with a total filtering area of 60 ft^2 . The slurry is fed to the filter by a centrifugal pump that develops a head of 20 psig. How long would it take to build up a layer of filter cake 4 in. thick on the filter medium? Laboratory data were taken on the slurry using a positive displacement pump operating at 5 gpm and 1 ft^2 of filter medium. It was found that the pressure drop increased linearly with time from an initial value of 0.2 psi to a value of 50 psi after 1 min. The density of the dry filter cake was found to be 0.85 g/cm^3 .
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
Section: Chapter Questions
Problem 1.1P
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7.
A slurry containing 1 lbm of solids per gallon of water is to be filtered in a plateand-frame filter with a total filtering area of 60 ft^2 . The slurry is fed to the filter by a centrifugal pump that develops a head of 20 psig. How long would it take to build up a layer of filter cake 4 in. thick on the filter medium? Laboratory data were taken on the slurry using a positive displacement pump operating at 5 gpm and 1 ft^2 of filter medium. It was found that the pressure drop increased linearly with time from an initial value of 0.2 psi to a value of 50 psi after 1 min. The density of the dry filter cake was found to be 0.85 g/cm^3 .
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