Abstract
Experimental studies on phase equilibria in the multicomponent system PbO-ZnO-CaO-SiO2-FeO-Fe2O3 in air have been conducted to characterize the phase relations of a complex slag system used in lead and zinc smelting. The liquidus in the pseudoternary section ZnO-“Fe2O3”-(PbO + CaO + SiO2) with a CaO/SiO2 weight ratio of 0.35 and a PbO/(CaO + SiO2) weight ratio of 3.2 has been constructed to describe liquidus temperatures as a function of composition in the range of commercial operating conditions employed by the Lead Isasmelt smelting process. The section contains the primary phase fields of spinel (zinc ferrite, Zn x Fe3−y O4+z ), zincite (Zn u Fe1−u O), melilite (Pb v Ca2−v Zn w Fe1−w -Si2O7), hematite (Fe2O3), magnetoplumbite (PbFe10O16), and wollastonite (CaSiO3).
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Jak, E., Hayes, P.C. Experimental liquidus in the PbO-ZnO-“Fe2O3”-(CaO + SiO2) System in Air, with CaO/SiO2 = 0.35 and PbO/(CaO + SiO2) = 3.2. Metall Mater Trans B 33, 851–863 (2002). https://doi.org/10.1007/s11663-002-0068-4
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DOI: https://doi.org/10.1007/s11663-002-0068-4