1. Wet/Dry cyclone separators
2. Bag filters
3. Low energy venture scrubbers
4. High energy venture scrubbers ( Fixed and variable throat)

Gaseous pollutant removal like So2, Hcl, HF, Cl2, H2S, P2O5, HCN, HBr, Br2, mercaptans, etc

1. Packed towers
2. Spray Towers
3. Disc & doughnut scrubbers
4. Horizontal baffled scrubbers
5. Ejector scrubbers
6. Combination of above