| No. | Optional Pretreatment Equipment | Remarks |
| 1 | Buffer Tank | — |
| 2 | Dry Filter | Filtration grade selected according to actual working conditions |
| No. | Information Item | Specific Parameters |
| 1 | Waste Gas Source | — |
| 2 | Waste Gas Composition | — |
| 3 | Waste Gas Concentration | Concentration of each component preferred |
| 4 | Waste Gas Flow Rate | Nm³/h |
| 5 | Heat-exchange Medium for Secondary Heat Exchanger | Water, air, or others |
| 6 | Heating Method | Electric heater or gas burner |
| 7 | Installation Area | Outdoor or indoor |