| Foundary size | Type of furnace | Air pollution control | ||||
|---|---|---|---|---|---|---|
| Induction | Resistance | Rotary | Oil/gas-fired crucible | Other | ||
| M1 | ||||||
| M2 | Y | Bag filter | ||||
| M5 | Diesel-fired furnace | Bag filter | ||||
| SM7 | Y | Bag filter | ||||
| SM11 | Y | None | ||||
| SM17 | Y | Bag filter | ||||
| S2 | Y | None | ||||
| S4 | Y | None | ||||
| S16 | Y | Y | Y | Bag filter | ||
| S17 | Open (diesel) | None | ||||
| S18 | Y | None | ||||
| S19 | Y | None | ||||
| S21 | Y | None | ||||
| S23 | Pit | None | ||||
| S28 | Y | None | ||||
| S30 | Y | None | ||||
| S32 | Y | None | ||||
| S40 | Y | Filter extractor | ||||
| S48 | Y | None | ||||
| S49 | Y | Afterburner | ||||
| Total | 4 | 1 | 1 | 12 | 3 | 8 |
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Table A5: Furnace type and air pollution control for other metals production
March 2021
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