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Basicidad de la escoria×Diagrama de Ellingham×
CampoIngeniería de minasIngeniería de minas
FamiliaProcess / pipelineProcess / pipeline
Año de origen19501944
Autor originalPyrometallurgical PracticeHarold Jeffrey Torreyson Ellingham
TipoSlag composition parameter for controlling roast/smelt conditionsGibbs free energy diagram for high-temperature reactions
Fuente seminalBarnes, J. F., Edwards, C. C., & Sims, R. L. (2010). Copper smelting and refining: pyrometallurgical fundamentals. JOM, 52(12), 38-43. link ↗Ellingham, H. J. T. (1944). Reducibility of oxides and sulfides. Journal of the Society of Chemical Industry, 63(5), 125-160. link ↗
AliasBasicity Index, Slag Chemistry ParameterGibbs Free Energy Diagram, High-Temperature Reduction Diagram
Relacionados33
ResumenSlag basicity is a measure of the composition of slag formed during smelting and roasting operations. It is typically expressed as the ratio of basic oxides (CaO, MgO) to acidic oxides (SiO2). Basicity controls slag fluidity, viscosity, and reactivity, directly affecting metal recovery, processing temperature, and product quality. It is a critical parameter in copper, nickel, and lead smelting.The Ellingham Diagram, introduced by Harold Ellingham in 1944, is a graphical representation of the Gibbs free energy change for oxide formation and reduction as a function of temperature. It is an essential tool for predicting the thermodynamic feasibility of ore reduction and selecting appropriate reducing agents and temperatures for smelting and roasting operations.
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ScholarGateComparar métodos: Slag Basicity · Ellingham Diagram. Recuperado el 2026-06-18 de https://scholargate.app/es/compare