2- A gas stream with a flowrate of 5,000 m/h contains particulate matter (PM) with 50-m...

 

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2- A gas stream with a flowrate of 5,000 m/h contains particulate matter (PM) with 50-m diameter, 2,000 kg/m of density, 100 mg/m of initial concentration. The width and height of the gravity settler are 5 m. Calculate the required length of this gravity settler (in meters) to reduce PM concentration down to 1 mg/m at the exit of the gravity settler (u: 1.8x10-5 kg/m s). 2- A gas stream with a flowrate of 5,000 m/h contains particulate matter (PM) with 50-m diameter, 2,000 kg/m of density, 100 mg/m of initial concentration. The width and height of the gravity settler are 5 m. Calculate the required length of this gravity settler (in meters) to reduce PM concentration down to 1 mg/m at the exit of the gravity settler (u: 1.8x10-5 kg/m s).