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29.7. The following relation between a and Ap for superlight CaCO, has been determined to be a = 8.8 x 10"L1+3.36 x 10(Ap) s1 where Ap is in pounds force per square foot. This relation is followed over a pres- sure range from 0 to 1,000 lb, /in.. A slurry of this material giving 3.0 lb of cake solid cubic foot of filtrate is to be filtered at a constant pressure drop of 70 lb, /in. and per a temperature of 70° F. Experiments on this sludge and the filter cloth to be used gave a value of Rm = 1.2 x 1010 ft-. A pressure filter of the tank type is to be used. How many square feet of filter surface are needed to give 1,400 gal of filtrate in a 1-h filtration? The viscosity is that of water at 70 F. %3D

29.7. The following relation between a and Ap for superlight CaCO, has been determined to be a = 8.8 x 10"L1+3.36 x 10(Ap) s1 where Ap is in pounds force per square foot. This relation is followed over a pres- sure range from 0 to 1,000 lb, /in.. A slurry of this material giving 3.0 lb of cake solid cubic foot of filtrate is to be filtered at a constant pressure drop of 70 lb, /in. and per a temperature of 70° F. Experiments on this sludge and the filter cloth to be used gave a value of Rm = 1.2 x 1010 ft-. A pressure filter of the tank type is to be used. How many square feet of filter surface are needed to give 1,400 gal of filtrate in a 1-h filtration? The viscosity is that of water at 70 F. %3D

Introduction to Chemical Engineering Thermodynamics
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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29.7. The following relation between a and Ap for superlight CaCO, has been determined to be a = 8.8 x 10 L1 +3.36 x 10(Ap) 81 where Ap is in pounds force per square foot. This relation is followed over a pres- sure range from 0 to 1,000 lb, /in.*. A slurry of this material giving 3.0 lb of cake solid cubic foot of filtrate is to be filtered at a constant pressure drop of 70 lb, /in.* and per a temperature of 70° F. Experiments on this sludge and the filter cloth to be used gave a value of Rm many square feet of filter surface are needed to give 1,400 gal of filtrate in a 1-h filtration? The viscosity is that of water at 70 F. 1.2 x 1010 ft. A pressure filter of the tank type is to be used. How %3D
Transcribed Image Text:29.7. The following relation between a and Ap for superlight CaCO, has been determined to be a = 8.8 x 10 L1 +3.36 x 10(Ap) 81 where Ap is in pounds force per square foot. This relation is followed over a pres- sure range from 0 to 1,000 lb, /in.*. A slurry of this material giving 3.0 lb of cake solid cubic foot of filtrate is to be filtered at a constant pressure drop of 70 lb, /in.* and per a temperature of 70° F. Experiments on this sludge and the filter cloth to be used gave a value of Rm many square feet of filter surface are needed to give 1,400 gal of filtrate in a 1-h filtration? The viscosity is that of water at 70 F. 1.2 x 1010 ft. A pressure filter of the tank type is to be used. How %3D
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