| Volume of Waste (thousand tons) and Recycled Percentage |
||||
|
Hazardous:
|
2019 | 2020 | 2021 | |
| Miner-metallurgical waste (tailings) |
8.749,86 | 6.744,80 | 9.497,91 | |
| Miner-metallurgical waste that were recycled, reused or remanufactured |
N/A | N/A | 1.485,70 (16%) |
|
| Miner-metallurgical waste (tailings) |
10.172,39 | 9.126,08 | 9.928,30 | |
| Miner-metallurgical waste that were recycled, reused or remanufactured |
N/A | N/A | 5.048,40 (51%) |
|
| Industrial waste | 5,24 | 5,9 | 7,58 | |
|
Non-hazardous:
|
Miner-metallurgical waste (tailings) |
1.010,03 | 2.207,74 | 1.181,16 |
| Miner-metallurgical waste that were recycled, reused or remanufactured |
N/A | N/A | 801,36 (68%) |
|
| Miner-metallurgical waste (tailings) |
1.043,04 | 1.245,45 | 1.265,73 | |
| Miner-metallurgical waste that were recycled, reused or remanufactured |
N/A | N/A | 156,58 (12%) |
|
| Industrial waste | 104,65 | 133,52 | 26,34 | |
| Total Weight of Waste, by type and disposal method (tons) | |||
| 2019 | 2020 | 2021 | |
| Disposal of non-hazardous waste: | 104.657,85 | 133.521,19 | 26.338,36 |
| Composting | 1.405,82 | 1.399,75 | 1.864,12 |
| Reuse/recycling | 99.218,64 | 124.615,23 | 18.456,59** |
| Recovery | – | – | – |
| Incineration (or used as fuel) | 262,87 | – | 777,95 |
| Sanitary landfill | 1.934,22 | 2.092,68 | 2.435,27 |
| Co-processing/refinement | 208,53 | 169,68 | 1.511,47 |
| On-site storage | 1.530,99 | 3.904,63 | 0,01 |
| Industrial landfill | 42,05 | 135,85 | 575,57 |
| Other | 54,73 | 1.203,37 | 717,38 |
| Disposal of hazardous waste: | 5.240,78 | 5.899,75 | 7.582,32 |
| Composting | – | – | – |
| Reuse/recycling | 294 | 379,1 | 1.605,84* |
| Recovery | 0,64 | 0,5 | 0,32 |
| Incineration (or used as fuel) | 0,39 | 1,3 | 68,86 |
| Industrial landfill | 2.633,63 | 2.760,06 | 2.741,41 |
| Co-processing/refinement | 1.912,86 | 2.408,94 | 2.866,92 |
| On-site storage | 259,07 | 301,56 | – |
| Destination for specific purposes | 2,38 | 4,13 | 0,45 |
| Venda – reciclagem parcial | 137,56 | – | – |
| Other | 0,24 | 44,16 | 298,53 |
| Total quantities of waste rock, tailings and sludges and their associated risks | 109.898,63 | 139.420,94 | 33.920,67 |
| Composting | 1.405,82 | 1.399,75 | 1.864,12 |
| Reuse/recycling | 99.512,54 | 124.994,33 | 20.062,42 |
| Recovery | 0,64 | 0,5 | 0,32 |
| Incineration (or used as fuel) | 263,26 | 1,3 | 846,81 |
| Sanitary landfill | 1.934,22 | 2.092,68 | 2.435,27 |
| Industrial landfill | 2.633,63 | 2.895,91 | 3.316,98 |
| Co-processing/refinement | 2.121,39 | 2.578,62 | 4.378,40 |
| On-site storage | 1.790,06 | 4.206,19 | 0,01 |
| Destination for specific purposes | 2,38 | 4,13 | 0,45 |
| Venda – reciclagem parcial | 137,56 | – | – |
| Other | 54,97 | 1.247,53 | 1.015,90 |
|
* Increase in recycling projects in Peru and mobilization of cleanup areas in Vazante (Brazil). ** Reduction of recycled waste due to categorization of Waelz aggregate as a by-product in 2021. N/A: No data reported for the period |
