A novel pyrometallurgical route was developed to obtain a Pb-Ag alloy by recycling two metallurgical wastes: lead paste obtained from spent lead-acid batteries and a jarosite residue obtained from the Mexican hydrometallurgical production of zinc. Both metallurgical wastes were characterized by atomic absorption spectrometry (AAS), X-ray diffraction (XRD), and scanning electron microscopy with energy-dispersive spectra (SEM-EDS). Mixtures of both wastes were pyrometallurgically treated with sodium carbonate in a silicon carbide crucible at 1200 °C. A mixture ratio of 30% Na 2CO 3 - 40 % Lead paste - 30 % Jarosite produced the highest amount of Pb-Ag alloy, while the slags produced contained compounds such as Na 2(SO 4) and Na 2Fe(SO 4) 2, which have a high sulfur-fixing, contributing to the minimization of atmospheric pollution.