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Properties of

particulate solids

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Density

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Density

Porosity :

= Vpores /Vb = (Vb Vp ) /Vb =

1 (Vp/Vb) = 1 ( b / p )

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Particle shape

The specific area per unit volume (S)= A/V

For spherical particle or cubic particle :

S = 6/Dp

For other shapes: S= 6/Dp

= the shape factor = 1/= sphericity

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Particle size

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Particle size

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Particle size

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Particle size

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Sheet 1

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Sheet 1