Characteristics of Air and Gas Cleaning Methods and Equipment for Collecting Aerosol particles

Gravitational & inertial collectors

Gravitational & inertial collectors

Gravitational & inertial collectors

Electric system particles

Electric system particles

Filters

Filters

Filters

Filters

Dry

Wet

Wet

2 stages low voltage

1 stage high voltage

Fabric inside collector

Fabric outside collector

Settling chamber

Low energy

High energy

Electronic air cleaner

Wire & plate

Reverse gas cleaning

Pleated paper media

Paper deep bed

Cyclone chamber

Wetted cyclone

Venturi

Furnace air cleaner

Wire & tuve

Qhaker gas cleaning

Pulse jet cleaning

Impigement & entrainment

Disintegrator

contaminants

Crushing, grindings, machining

Crushing, grindings, machining

Metallurgiccal fumes

Room air, oil mist

Fly ash

acid mist

All, dry, dusts

All, dry, dusts

Room air

Precleaned room air

Loadings (g/m

0.1 - 100

0.1 - 100

0.1 - 100

< 0.1

0.1 - 10

0.1 - 20

0.1 - 20

< 0.01

< 0.001

Overall efficiency %

High for > 10µm

High for > 10µm

High for > 10µm

High for > 1µm

High for > 0.5µm

High for all sizes

High for all sizes

High for > 5µm

High for all sizes

Pressure drop (mmHg)

4 - 20

4 - 20

15 - 200

4 - 10

4 - 20

5 - 20

5 - 20

2 -10

2 - 4

Initial cost

Low

Moderate

High

Low

Moderate

Moderate

Moderate

Low

High

Operating cost

Moderate

Moderate

High

Low

Moderate

Moderate

Moderate

Low

High

serviceability

Good (erosion)

Good (corrosion)

Good (corrosion)

Poor (shorts)

Fair (shorts)

Fair to good

Fair to good (blinding)

Fair

Fair to poor

limitations

Efficiency

Disposal

Operating cost

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Resistivity

Temperature

Temperature

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