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Water at 20°C is passed through a filter bed at 4.32 m/hr. The bed is 0.75 m deep and is composed of nonuniform sand (sp. gravity= 2.65) stratified so that the smallest particles are on top, the largest on bottom. The porosity and shape factors are 0.4 and 0.85 throughout the depth of bed. The size distribution of the granules given in the table below. Determine the headloss for clean water flow through bed. at 20°C; µ = 1.002x 103 kg/m.sec, p= 998.2 kg/m³ Sieve Analysis Results: U.S Sieve No. Particle Size range, Weight mm fraction retained, x Passing Retained Passing Retained 14 1.41 0.01 0.11 0.20 14 20 1.41 0.84 20 25 0.84 0.71 25 30 0.71 0.60 0.32 30 35 0.60 0.50 0.50 0.21 35 40 0.42 0.13 40 0.42 0.02 82

Water at 20°C is passed through a filter bed at 4.32 m/hr. The bed is 0.75 m deep and is composed of nonuniform sand (sp. gravity= 2.65) stratified so that the smallest particles are on top, the largest on bottom. The porosity and shape factors are 0.4 and 0.85 throughout the depth of bed. The size distribution of the granules given in the table below. Determine the headloss for clean water flow through bed. at 20°C; µ = 1.002x 103 kg/m.sec, p= 998.2 kg/m³ Sieve Analysis Results: U.S Sieve No. Particle Size range, Weight mm fraction retained, x Passing Retained Passing Retained 14 1.41 0.01 0.11 0.20 14 20 1.41 0.84 20 25 0.84 0.71 25 30 0.71 0.60 0.32 30 35 0.60 0.50 0.50 0.21 35 40 0.42 0.13 40 0.42 0.02 82

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
Section: Chapter Questions
Problem 1.1P
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Water at 20°C is passed through a filter bed at 4.32 m/hr. The bed is 0.75 m deep and is composed of nonuniform sand (sp. gravity= 2.65) stratified so that the smallest particles are on top, the largest on bottom. The porosity and shape factors are 0.4 and 0.85 throughout the depth of bed. The size distribution of the granules given in the table below. Determine the headloss for clean water flow through bed. at 20°C; µ = 1.002x 10-3 kg/m.sec, p= 998.2 kg/m³ Sieve Analysis Results: U.S Sieve No. Particle Size range, Weight mm fraction retained, x# Passing Retained Passing Retained 14 1.41 0.01 14 20 1.41 0.84 0.11 20 25 0.84 0.71 0.20 25 30 0.71 0.60 0.32 30 35 0.60 0.50 0.21 35 40 0.50 0.42 0.13 40 0.42 0.02 82
Transcribed Image Text:Water at 20°C is passed through a filter bed at 4.32 m/hr. The bed is 0.75 m deep and is composed of nonuniform sand (sp. gravity= 2.65) stratified so that the smallest particles are on top, the largest on bottom. The porosity and shape factors are 0.4 and 0.85 throughout the depth of bed. The size distribution of the granules given in the table below. Determine the headloss for clean water flow through bed. at 20°C; µ = 1.002x 10-3 kg/m.sec, p= 998.2 kg/m³ Sieve Analysis Results: U.S Sieve No. Particle Size range, Weight mm fraction retained, x# Passing Retained Passing Retained 14 1.41 0.01 14 20 1.41 0.84 0.11 20 25 0.84 0.71 0.20 25 30 0.71 0.60 0.32 30 35 0.60 0.50 0.21 35 40 0.50 0.42 0.13 40 0.42 0.02 82
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