Compact hybrid particulate collector

Details Compact hybrid particulate collector Compact hybrid particulate collector

1989-12-15

1991-06-18

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55 96, 55 97, 55124, 110217, B03C 300

Patent

active

050246810

ABSTRACT:
A method for removing particulates from a gas is described incorporating an electrostatic precipitator and a barrier filter in series, i.e. baghouse, downstream of the electrostatic precipitator. 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 invention overcomes the problem of the sensitivity of electrostatic precipitator particulate collection efficiency to variations in particulate and flue gas properties and the alternative of having to substitute the electrostatic precipitator with large barrier filters in which its use would be prohibited by cost and space considerations.

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patent: 4411674 (1983-10-01), Forgac
patent: 4507130 (1985-03-01), Roth

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