In the present work, dephosphorization experiments by using new double slag converter steelmaking process (NDSP) has been carried out in a 180 ton top-bottom combined blowing under low temperature range of 1345–1450°C and basicity about 1.50. With increasing endpoint temperature, ratio, P2O5 content phosphorus distribution ratio logLP first increase then decrease. The apparent equilibrium const...

The pre-reduction sintering process is an effective measure to fundamentally solve the detrimental circulating accumulation of phosphorus in iron- and steel-making procedures. effect carbon mixing ratio on mineral evolution, gasification dephosphorization degree products was primarily investigated based occurrence status Bayan Obo iron ore concentrate. obtained results indicated that oxide domi...

The physico-chemical changes occurring during the high-temperature phase transformation of monazite in presence Na2CO3 at 1000 °C for 2 h duration monazite: ratios between 1.0 and 5.0, were investigated. formation sodium lanthanide phosphates was prevalent above a monazite:alkali ratio 2, however, below this ratio, dephosphorization as Na3PO4 Ce1-xLnxO2-x/2 solid solutions occur offering unique...

Abstract Dicalcium silicate, which is found in steelmaking slag for dephosphorization, exists as the hexagonal α phase at high temperatures. The ‐dicalcium silicate forms a solid solution with tricalcium phosphate entire composition range, although reason solubility of phosphorus remains unclear view crystal structure. It has previously been reported that structure consists symmetric arrangemen...

In order to realize the efficient utilization of high phosphorus iron ore resources, a new method gasification removal in hydrogen-rich sintering process was proposed. this paper, behavior high-phosphorus studied. Thermodynamic calculation possible reactions is carried out by using FactSage6.1 software, and phase transformation distribution roasting reduction were analyzed XRD, SEM-EDS EPMA. Th...