Electrostatic precipitator and method

Details Electrostatic precipitator and method Electrostatic precipitator and method

1975-01-08

1976-10-05

Goldberg, Gerald

Gas separation

Means within gas stream for conducting concentrate to collector

55105, 55139, 323 20, 323 22SC, 323 34, B03C 368, G05F 156

Patent

active

039842150

ABSTRACT:
A method of an apparatus for improving the capacity and efficiency of electrostatic precipitators by increasing the average field intensity. The precipitator is supplied with a substantially constant base level DC voltage that is less than the sparking threshold level of the precipitator, and superimposed thereon is a periodic DC voltage waveform of short duration having peak levels that substantially exceed the sparking threshold level. By controlling the characteristics of the periodic DC voltage waveform the average applied voltage is greater than the sparking voltage but the duration of the instantaneously applied voltage is not sufficient to cause sparking in the precipitator.

REFERENCES:
patent: 3443358 (1969-05-01), Drenning et al.
patent: 3622839 (1971-11-01), Abrams et al.
patent: 3873282 (1975-03-01), Finch

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