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ELECTROSTATIC STIMULATION OF FABRIC FILTRATION
Citation:
Griener, G., D. Furlong, D. VanOsdell, AND L. Hovis. ELECTROSTATIC STIMULATION OF FABRIC FILTRATION. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-81/554 (NTIS PB82207796).
Description:
The paper gives results of an investigation of the concept of electrostatic stimulation of fabric filtration (ESFF) at pilot scale. The pilot unit consisted of a conventional baghouse in parallel with an ESFF baghouse, allowing direct comparison. Reported results are for pulse-cleaned bags in which the electric field was maintained parallel to the fabric surface. The performance of the ESFF baghouse was superior to the parallel conventional baghouse by several measures. The ESFF baghouse demonstrated: (1) a reduced rate of pressure drop increase during a filtration cycle, (2) lower residual pressure drop, (3) stable operation at higher face velocities, and (4) improved particle removal efficiency. These benefits can be obtained with only minor modifications to conventional pulse-jet hardware and at low electrical power consumption. The indicated ability to operate at increased face velocities with only modest expenditures for electrical hardware leads to very favorable economic projections.