| 摘要 |
The present invention concerns to a recycling process for blast furnace sludge, or powder from dry dust catcher, or steel works fine and coarse sludge, or industrial or metallurgical wastes through the combination of the process steps of ore pulp formation (10), ultrasound treatment (9), conditioning (13), gravimetric concentration (15, 20, 22), hydro-cycloning (28, 30), magnetic separation (33), flotation (34) and drying (18) for the recovery of carbon, that can be in the form of coke, mineral coal or charcoal, and metallic iron (Fe), iron oxides (FexOy), silica (SiO2), calcium oxide (CaO) and zinc oxide (ZnO). |
