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A monomedia anthracite filter is designed with the following specifications: effective size 1.1 mm, uniformity coefficient 1.4, and density 1650 kg/m³. Calculate the backwash rate required to get 25 percent bed expansion at the design summer temperature of 22 C (p = 998.7 kg/m³, μ = 9.55 x 10-4 kg/m-s). Use the midpoint Ergun parameters for anthracite: ky = 228, ki = 4.4, EF = 50%.

A monomedia anthracite filter is designed with the following specifications: effective size 1.1 mm, uniformity coefficient 1.4, and density 1650 kg/m³. Calculate the backwash rate required to get 25 percent bed expansion at the design summer temperature of 22 C (p = 998.7 kg/m³, μ = 9.55 x 10-4 kg/m-s). Use the midpoint Ergun parameters for anthracite: ky = 228, ki = 4.4, EF = 50%.

Sustainable Energy
Sustainable Energy
2nd Edition
ISBN:9781337551663
Author:DUNLAP, Richard A.
Publisher:DUNLAP, Richard A.
Chapter14: Ocean Thermal Energy Conversion And Ocean Salinity Gradient Energy
Section: Chapter Questions
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A monomedia anthracite filter is designed with the following specifications: effective size 1.1 mm, uniformity coefficient 1.4, and density 1650 kg/m³. Calculate the backwash rate required to get 25 percent bed expansion at the design summer temperature of 22 C (p = 998.7 kg/m³, u = 9.55 x 10-4 kg/m-s). Use the midpoint Ergun parameters for anthracite: ky = 228, ki = 4.4, EF = 50%.
Transcribed Image Text:A monomedia anthracite filter is designed with the following specifications: effective size 1.1 mm, uniformity coefficient 1.4, and density 1650 kg/m³. Calculate the backwash rate required to get 25 percent bed expansion at the design summer temperature of 22 C (p = 998.7 kg/m³, u = 9.55 x 10-4 kg/m-s). Use the midpoint Ergun parameters for anthracite: ky = 228, ki = 4.4, EF = 50%.
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