Movable, continuously changing, self-charging electrostatic...

Details Movable, continuously changing, self-charging electrostatic... Movable, continuously changing, self-charging electrostatic...

B - Operations, Transporting

01

D

183/80

B01D 46/22 (2006.01) B03C 3/30 (2006.01)

Patent

CA 1104070

MOVABLE, CONTINUOUSLY CHANGING, SELF-CHARGING ELECTROSTATIC FILTER Abstract of the Disclosure A non-woven, relatively thin filter media is formed of fine denier fibers wherein the media exhibits the characteristic of developing an electrostatic charge in the presence of a sub- stantially dry air stream moving at a speed of at least 200 feet per minute. The fibers are selected from the group con- taining polyester, nylon, and polypropylene. A length of filter material so formed is moved or passed through an air stream or path containing weld smoke. The moving air causes the unique filter media to become electrostatically charged so that the fine particulate matter from the gaseous stream are removed more effectively than before.

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