Lead production from recycled paste of lead acid batteries with SiC-Na2CO3

M. Angelica Sánchez; P. Victor Hugo Gutiérrez; R. Alejandro Cruz; A. Ricardo Gerardo Sánchez

doi:10.3103/S1067821216040118

Lead production from recycled paste of lead acid batteries with SiC-Na₂CO₃

M. Angelica Sánchez, P. Victor Hugo Gutiérrez, R. Alejandro Cruz, A. Ricardo Gerardo Sánchez

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

5 Citas (Scopus)

Resumen

A novel pyrometallurgical route was used to reduce the lead paste to obtain metallic lead with different additions of sodium carbonate at 850°C in a silicon carbide crucible. The process allows to obtain a high recovery of metallic lead in a single step and a slag constituted mainly by lead silicate. Products obtained were characterized by atomic absorption, X-ray powder diffraction and SEM-EDS techniques. A thermodynamic study was carried out with the software FactSage to determinate the compounds formation to the experimental conditions. High amounts of Na₂CO₃ and SiC promoted the formation of a lead sulfide compound which decreased the lead recovery.

Idioma original	Inglés
Páginas (desde-hasta)	316-324
Número de páginas	9
Publicación	Russian Journal of Non-Ferrous Metals
Volumen	57
N.º	4
DOI	https://doi.org/10.3103/S1067821216040118
Estado	Publicada - 1 jul. 2016
Publicado de forma externa	Sí

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title = "Lead production from recycled paste of lead acid batteries with SiC-Na2CO3 ",

abstract = "A novel pyrometallurgical route was used to reduce the lead paste to obtain metallic lead with different additions of sodium carbonate at 850°C in a silicon carbide crucible. The process allows to obtain a high recovery of metallic lead in a single step and a slag constituted mainly by lead silicate. Products obtained were characterized by atomic absorption, X-ray powder diffraction and SEM-EDS techniques. A thermodynamic study was carried out with the software FactSage to determinate the compounds formation to the experimental conditions. High amounts of Na2CO3 and SiC promoted the formation of a lead sulfide compound which decreased the lead recovery.",

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AU - Angelica Sánchez, M.

AU - Victor Hugo Gutiérrez, P.

AU - Alejandro Cruz, R.

AU - Ricardo Gerardo Sánchez, A.

PY - 2016/7/1

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N2 - A novel pyrometallurgical route was used to reduce the lead paste to obtain metallic lead with different additions of sodium carbonate at 850°C in a silicon carbide crucible. The process allows to obtain a high recovery of metallic lead in a single step and a slag constituted mainly by lead silicate. Products obtained were characterized by atomic absorption, X-ray powder diffraction and SEM-EDS techniques. A thermodynamic study was carried out with the software FactSage to determinate the compounds formation to the experimental conditions. High amounts of Na2CO3 and SiC promoted the formation of a lead sulfide compound which decreased the lead recovery.

AB - A novel pyrometallurgical route was used to reduce the lead paste to obtain metallic lead with different additions of sodium carbonate at 850°C in a silicon carbide crucible. The process allows to obtain a high recovery of metallic lead in a single step and a slag constituted mainly by lead silicate. Products obtained were characterized by atomic absorption, X-ray powder diffraction and SEM-EDS techniques. A thermodynamic study was carried out with the software FactSage to determinate the compounds formation to the experimental conditions. High amounts of Na2CO3 and SiC promoted the formation of a lead sulfide compound which decreased the lead recovery.

KW - batteries

KW - lead paste

KW - pyrometallurgical

KW - reduction

KW - thermodynamic

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