Electrostatic Enhancement of Fabric Filtration

Douglas VanOsdell; Robert Donovan

doi:10.1520/STP42099S

SYMPOSIA PAPER Published: 01 January 1986

STP42099S

Electrostatic Enhancement of Fabric Filtration

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Incorporating electrical forces into the design of fabric filters provides reduced pressure drop and improved collection efficiency, as compared with conventional practice. Improvement has been demonstrated for a number of filter and electrode geometries, and pilot plant operations have been successful at a number of field sites. The mechanisms whereby electrostatic forces improve fabric filter performance include: 1) reduced dust penetration and/or retention in the depth of the filter; 2) the formation of a dust cake having increased porosity; and 3) non-uniform deposition of dust on a filter surface.

Author Information

VanOsdell, Douglas, W.

Research Triangle Institute, Research Triangle Park, N.C.

Donovan, Robert, P.

Research Triangle Institute, Research Triangle Park, N.C.

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Details

Developed by Committee: F21

Pages: 316–331

DOI: 10.1520/STP42099S

ISBN-EB: 978-0-8031-6046-0

ISBN-13: 978-0-8031-6200-6

Electrostatic Enhancement of Fabric Filtration

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