Spherical solids with a specific gravity (spg60°F) = 2.0 are to settle in water at 60°F in a 10 ft 60 °F column. a. What

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Spherical Solids With A Specific Gravity Spg60 F 2 0 Are To Settle In Water At 60 F In A 10 Ft 60 F Column A What 1 (342.92 KiB) Viewed 36 times

Spherical solids with a specific gravity (spg60°F) = 2.0 are to settle in water at 60°F in a 10 ft 60 °F column. a. What is the largest particle size and corresponding mesh size from the table below that will settle in the Stokes Law range? How long will it take for these particles to settle? Dp = 0.125 mm (120 mesh), t = 4625= 7₁7 min Mesh Size Particle Size, mm 10 2.0 12 1.7 14 1.4 16 1.18 18 1.0 20 0.841 25 0.71 30 0.595 35 0.5 40 0.4 45 0.355 50 0.3 60 0.25 70 0.21 80 0.177 100 0.149 120 0.125 140 0.105 170 0.088 200 0.074 b. If the solids are present as a 20% solution in water and there is hindered settling, how long will it take the particles to settle? 1233s = 20.6 min