5. A blue coffee bag screening and handling operation emits 0.75 g/m3 of fine particulate matter. A reverse-air baghouse has been proposed for controlling the particulate emissions. The gas handling system has an exhaust flow rate of 3.3 m3/s. A manufacturer has supplied the following data:

Bag diameter = 20 cm

Bag length = 12 m

Air-to-cloth ratio = 0.010

Bag cleaning = 0.5

Estimate the number of bags required and the mass of particulate matter collected each