Question: Catalyst pellets 5mm in diameter are to be fluidized with 45,000kg/h of air at 1atm and 80C in vertical cylindrical vessel. The density of the

Catalyst pellets 5mm in diameter are to be fluidized with 45,000kg/h of air at 1atm and 80C in vertical cylindrical vessel. The density of the catalyst particles is 960kg/m3; their sphericity is 0.86 . If the given quantity of air is just sufficient to fluidize the solid, what is the vessel diameter ? Assume M=0.45 =0.02103kg/m.s

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