The purpose of these investigations was to evaluate the potential of various new fabrics as baghouse filters and to obtain data for use by the fabric filtration community. The testing consisted of simulating a baghouse operation in a carefully controlled laboratory setting that allowed measurement and comparison of bag performance and endurance. The simulation discussed in this paper covered only a very narrow range of operating conditions. The best performing spunbonded polyester bags significantly outperformed the woven polyester bags; they displayed higher efficiences, and lower cake resistances and effective drags. Their initial costs are lower but they may have to be replaced more often. These conclusions are based on room temperature filtering of redispersed flyash. No conclusions regarding operation at higher temperature, in corrosive environments, with different dusts or other typical field conditions are explicitly stated.

"Prepared by Industrial Environmental Research Laboratory, Office of Energy, Minerals, and Industry, Research Triangle Park, N.C., under program element EHE624." "Research Triangle Institute"--[Vol.] 6 "August 1977"--[Vol.] 4 "November 1977"--[Vol.] 5 "July 1978"--[Vol.] 6 Includes bibliographical references and appendices.

v. 1 Performance of non-woven nylon filter bags -- v. 2 Performance of non-woven polyester filter bags -- v. 3 Performance of filter bags made from expanded PTFE laminate -- v. 4 Bag aging effects -- v. 5. Bag cleaning technology (high temperature tests) -- v. 6 Influence of dust properties on particle penetration.