Recovery of particulate matter from exhaust gas is vital for any industry from two aspects
* To avoid pollution problems
* Recovery of finished product-increasing the plant yield
For recovering particulate matter different options available are - Cyclones, Venturi, scrubbers, bag air filter, pollution control bag filter, electrostatic precipitators etc. Out of these bag filter becomes the best choice if following are dominant selection criteria's:
* Material is expensive and hence high collection efficiency is desired.
* Particulate size is very fine.