For the Coal Activated Carbon, the anthracite is crushed, sized and processed in low temperature bakers followed by high-temperature furnaces. This heating process is known as “activation,” and develops the pore structure of the carbon. Through adjustments in the activation process, pores of the required size for a particular purification application are developed.
| Item | Specification | |
| Iodine(mg/g) ≥ | 1000 | 900 |
| Hardness (%) ≥ | 90 | 90 |
| Bulk density (g/ml) | 0.45-0.55 | 0.32-0.47 |
| Moisture(%) ≤ | 10 | 10 |
| Ash(%) ≤ | 3 | 4 |
| PH | 4.0-7.5 | 4.0-7.5 |
| Iron (%) | 0.1 | 0.15 |
| Particle size (800μm-280μm) % ≥ | 90 | 85 |