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A statistic of global production and consumption of various wastes.
| Waste | Production Source | Quantity (million ton) | Consumption (million ton) | Reference |
|---|---|---|---|---|
| Slag | Steel industries | 100.00 | 35 | [1] |
| FA | Coal operated power plants | 900.00 | - | [8] |
| POFA | Palm oil mills in Malaysia | 0.06 | - | [9] |
| Rice husk | Rice mills | 110.00 (20% of 550 million tons rice) | - | [10] |
| RHA | Rice mills | 16.50–22.00 | - | [10] |
| Silica fume | Silicon industries | 2.00 | - | [8] |
