Bag Filters are used for the recovery of particulate matter from exhaust gas which enables to :
- Avoid pollution problems
- Recover finished product thus increasing plant yield
Apart for bag filters other equipments such as cyclones, venturi, scrubbers, electrostatic precipitates etc. can be used for the recovery of particulate matter. However, out of all these equipments bag filter becomes the best choice under the following circumstances :
- The final product is very expensive and as a result high collection efficiency is required.
- The particulate size is very fine.