Compact hybrid particulate collector (COHPAC)

Details Compact hybrid particulate collector (COHPAC) Compact hybrid particulate collector (COHPAC)

1991-02-07

1992-10-27

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55124, 55131, 553411, B03C 100

Patent

active

051585804

ABSTRACT:
A method and apparatus for efficient removal of particulates from a gas is described which incorporates a barrier filter (e.g. baghouse) internally of an electrostatic precipitator. An alternative embodiment is disclosed which incorporates an electrostatic precipitator and a barrier filter (i.e. baghouse) in series, with a pre-charger interposed therebetween. The series arrangement enables the barrier filter to operate at significantly higher filtration velocities than normal 4.06-20.32 cm/s (8-40 ft/min) versus 0.76-2.54 cm/s (1.5-5 ft/min) and reduces the size of the barrier filter significantly. The precharger adds an additional electrostatic charge to particulates exhausted from the electrostatic precipitator and replaces charge lost in lengthy and poorly insulated conduits.

REFERENCES:
patent: 1853393 (1932-04-01), Anderson
patent: 3966435 (1976-06-01), Penney
patent: 4357151 (1982-11-01), Helfritch et al.
patent: 5024681 (1991-06-01), Chang

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