Question

11.15 A baghouse that employs a shaker collection method is being designed to remove 99.75 percent of an incoming stream of sawdust particles originating from a sawmill plant. What fabric area is required for the baghouse if it treats 15,000 ft'/min of polluted air? How many bagsarerequiredifthebagsarecylindrical and are 6 in. in diameter and 15 ft long? Assume the filter manufacturer has specified a woven fabric. 11.16 You are assigned to determine the number of filter bags required for an eight-compartment bag- house that uses pulse-jetting as the method to remove particulate matter from te bags. The following information is known: process gas exhaust rate is 100,000 ft'/min and the recommended air-to-cloth ratio is 4 ft/min. The bags specified by the manufac turer have a diameter of 6 in and height of 10 ft (a) what is the total required fabric area? (ft 2)? (b) What number of bags is required? (c) How many bags are in each compartment?

environmental engineer

Answer 1