Process Equipment and Plant Design
Filtration rate is affected by the

Pressure drop across the cake & filter medium
Area of filtering surface & the viscosity of filtrate
All of these
Cake & filter medium resistance

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Process Equipment and Plant Design
Generally, elliptical dished heads

Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m²
Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D
All of these
Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter

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