Distribution of Lead and Silver under Lead blast furnace conditions

M. Pérez; A. Romero; A. Hernández; I. Almaguer; R. Benavides

doi:10.3989/revmetalm.1150

Distribution of Lead and Silver under Lead blast furnace conditions

M. Pérez, A. Romero, A. Hernández, I. Almaguer, R. Benavides

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

4 Citas (Scopus)

Resumen

Two experimental studies of metal solubility in slags were carried out at 1473 K (1200 °C). In the first one the solubility of lead in the PbO-ZnO-CaO-SiO ₂-"Fe ₂O ₃" slag system under a reducing atmosphere (P _CO/P _CO2= 2,45) was studied. In the second part, slags of the CaO-SiO ₂-"Fe ₂O ₃" system were equilibrated with Pb - 1.3 mass % Ag alloys under an inert atmosphere. In both cases the CaO/SiO ₂ mass ratio was from 1.0 to 1.6 and Fe/SiO ₂ mass ratio was 1.1 and 1.7. The lead solubility in the slags of both experimental parts diminishes with increasing the slag basicity (CaO/SiO ₂) and diminishing the Fe/SiO ₂ ratio. Lead oxide is the only compound that can be reduced under the reducing atmosphere and at the temperature at the tuyeres level, 1473 K. Silver solubility in slags decreases with increasing both CaO/SiO ₂ and Fe/SiO ₂ ratios in the slags of the CaO-SiO ₂-"Fe ₂O ₃" system.

Idioma original	Inglés
Páginas (desde-hasta)	213-222
Número de páginas	10
Publicación	Revista de Metalurgia (Madrid)
Volumen	48
N.º	3
DOI	https://doi.org/10.3989/revmetalm.1150
Estado	Publicada - may. 2012
Publicado de forma externa	Sí

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title = "Distribution of Lead and Silver under Lead blast furnace conditions",

abstract = "Two experimental studies of metal solubility in slags were carried out at 1473 K (1200 °C). In the first one the solubility of lead in the PbO-ZnO-CaO-SiO 2-{"}Fe 2O 3{"} slag system under a reducing atmosphere (P CO/P CO2= 2,45) was studied. In the second part, slags of the CaO-SiO 2-{"}Fe 2O 3{"} system were equilibrated with Pb - 1.3 mass % Ag alloys under an inert atmosphere. In both cases the CaO/SiO 2 mass ratio was from 1.0 to 1.6 and Fe/SiO 2 mass ratio was 1.1 and 1.7. The lead solubility in the slags of both experimental parts diminishes with increasing the slag basicity (CaO/SiO 2) and diminishing the Fe/SiO 2 ratio. Lead oxide is the only compound that can be reduced under the reducing atmosphere and at the temperature at the tuyeres level, 1473 K. Silver solubility in slags decreases with increasing both CaO/SiO 2 and Fe/SiO 2 ratios in the slags of the CaO-SiO 2-{"}Fe 2O 3{"} system.",

keywords = "Lead, Lead blast furnace, Silver, Slag, Solubility",

author = "M. P{\'e}rez and A. Romero and A. Hern{\'a}ndez and I. Almaguer and R. Benavides",

year = "2012",

month = may,

doi = "10.3989/revmetalm.1150",

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volume = "48",

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T1 - Distribution of Lead and Silver under Lead blast furnace conditions

AU - Pérez, M.

AU - Romero, A.

AU - Hernández, A.

AU - Almaguer, I.

AU - Benavides, R.

PY - 2012/5

Y1 - 2012/5

N2 - Two experimental studies of metal solubility in slags were carried out at 1473 K (1200 °C). In the first one the solubility of lead in the PbO-ZnO-CaO-SiO 2-"Fe 2O 3" slag system under a reducing atmosphere (P CO/P CO2= 2,45) was studied. In the second part, slags of the CaO-SiO 2-"Fe 2O 3" system were equilibrated with Pb - 1.3 mass % Ag alloys under an inert atmosphere. In both cases the CaO/SiO 2 mass ratio was from 1.0 to 1.6 and Fe/SiO 2 mass ratio was 1.1 and 1.7. The lead solubility in the slags of both experimental parts diminishes with increasing the slag basicity (CaO/SiO 2) and diminishing the Fe/SiO 2 ratio. Lead oxide is the only compound that can be reduced under the reducing atmosphere and at the temperature at the tuyeres level, 1473 K. Silver solubility in slags decreases with increasing both CaO/SiO 2 and Fe/SiO 2 ratios in the slags of the CaO-SiO 2-"Fe 2O 3" system.

AB - Two experimental studies of metal solubility in slags were carried out at 1473 K (1200 °C). In the first one the solubility of lead in the PbO-ZnO-CaO-SiO 2-"Fe 2O 3" slag system under a reducing atmosphere (P CO/P CO2= 2,45) was studied. In the second part, slags of the CaO-SiO 2-"Fe 2O 3" system were equilibrated with Pb - 1.3 mass % Ag alloys under an inert atmosphere. In both cases the CaO/SiO 2 mass ratio was from 1.0 to 1.6 and Fe/SiO 2 mass ratio was 1.1 and 1.7. The lead solubility in the slags of both experimental parts diminishes with increasing the slag basicity (CaO/SiO 2) and diminishing the Fe/SiO 2 ratio. Lead oxide is the only compound that can be reduced under the reducing atmosphere and at the temperature at the tuyeres level, 1473 K. Silver solubility in slags decreases with increasing both CaO/SiO 2 and Fe/SiO 2 ratios in the slags of the CaO-SiO 2-"Fe 2O 3" system.

KW - Lead

KW - Lead blast furnace

KW - Silver

KW - Slag

KW - Solubility

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U2 - 10.3989/revmetalm.1150

DO - 10.3989/revmetalm.1150

M3 - Artículo

SN - 0034-8570

VL - 48

SP - 213

EP - 222

JO - Revista de Metalurgia (Madrid)

JF - Revista de Metalurgia (Madrid)

IS - 3

ER -

Distribution of Lead and Silver under Lead blast furnace conditions

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