The effects of dephosphorization agents (SiO2, Na2CO3 and Al2O3) reduction time on phosphorus gasification during pre-reduction sintering were studied. results indicate that the rate apatite by carbothermal is 23%, adding SiO2 Al2O3 25%, optimal 36% Na2CO3. increased from 13% to 31% with 20 min 60 min. Thermodynamic analysis shows promotion effect stronger than Al2O3, thermodynamic conditions a...

The need to develop green steelmaking techniques has led the replacement of reducing agents such as CO with H2. H2 and N2/H2 mixtures can be used for carbothermal reduction iron ore. In this study, we investigated swelling index ore pellets in a forming gas (N2/H2) atmosphere at temperatures 700–1000 °C compared it that pure experimental results showed increases increasing temperature both atmo...