Electrostatic precipitator with means for the enhanced charging

Details Electrostatic precipitator with means for the enhanced charging Electrostatic precipitator with means for the enhanced charging

1986-04-28

1988-10-18

Prunner, Kathleen J.

Gas separation

Means within gas stream for conducting concentrate to collector

55135, 55145, 55151, B03C 338

Patent

active

047784938

ABSTRACT:
An electrical precipitator which uses a combination of field charging, diffusion charging, and electron charging for the enhancement of fine particle charging and collection. A precipitator is described for the collection of fine particles of less than 1.0 micron in diameter from an effluent by enhancing the charge thereon by electrons of high kinetic energy. Another feature of the invention describes a precharging stage which can be added to the electron charging stage, or other conventional precipitator stage, that operates the basis of ion bombardment or diffusion of thermally active ions. The precharging stage charges the fine particles and they can later be increased in charge and precipitated by the electron charging stage. Another feature of the invention describes disposing a conventional stage for coarse particulates over 1.0 micron in diameter between the diffusion charging stage and the electron charging stage.

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