Li Jinyan1; Zhang Mei1; Guo Min1; Yang Xuemin2
Source Publicationinternationaljournalofmineralsmetallurgyandmaterials
AbstractThe addition of silica to steelmaking slags to decrease the binary basicity can promote phosphate enrichment in quenched slag samples. In this study, we experimentally investigated phosphate enrichment behavior in CaO-SiO_2-FeO-Fe_2O_3-P_2O_5 slags with a P_2O_5 content of 5.00% and the binary basicity B ranging from 1.0 to 2.0, where the (%Fe_tO)/(%CaO) mass percentage ratio was maintained at 0.955. The experimental results are explained by the defined enrichment degree R_(C_2S-C_3P) of solid solution 2CaO·SiO_2-3CaO·P_2O_5 (C_2S-C_3P), where R_(C_2S-C_3P) is a component of the developed ion and molecule coexistence theory (IMCT)-N_i model for calculating the mass action concentrations N_i of structural units in the slags on the basis of the IMCT. The asymmetrically inverse V-shaped relation between phosphate enrichment and binary basicity B was observed to be correlated in the slags under applied two-stage cooling conditions. The maximum content of P_2O_5 in the C_2S-C_3P solid solution reached approximately 30.0% when the binary basicity B was controlled at 1.3.
Document Type期刊论文
Recommended Citation
GB/T 7714
Li Jinyan,Zhang Mei,Guo Min,et al. phosphateenrichmentmechanismincaosio2feofe2o3p2o5steelmakingslagswithlowerbinarybasicity[J]. internationaljournalofmineralsmetallurgyandmaterials,2016,23(5):520.
APA Li Jinyan,Zhang Mei,Guo Min,&Yang Xuemin.(2016).phosphateenrichmentmechanismincaosio2feofe2o3p2o5steelmakingslagswithlowerbinarybasicity.internationaljournalofmineralsmetallurgyandmaterials,23(5),520.
MLA Li Jinyan,et al."phosphateenrichmentmechanismincaosio2feofe2o3p2o5steelmakingslagswithlowerbinarybasicity".internationaljournalofmineralsmetallurgyandmaterials 23.5(2016):520.
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