S.N. | Types of Kiln | SPM (Max. limit mg/Nm3) | Height of chimney (Min. limit, Meter) |
1 | BTK Forced Draught (Fixed Chimney) | 600 | 17 |
2 | BTK Natural Draught (Fixed Chimney) | 700 | 30 |
3 | VSBK | 400 | 15 |