
Nallely Guadalupe Picazo RodríguezTecnologico Nacional de Mexico
Nallely Guadalupe Picazo Rodríguez
Doctor of Engineering
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9
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Citations since 2017
Publications
Publications (9)
La cianuración ha sido por años el proceso más empleado para la extracción de oro, sin embargo, las soluciones resultantes afectan al medio ambiente ya que son tóxicas y complejas. Algunos de los procesos convencionales para la eliminación de cianuro es la oxidación, no obstante, esta puede resultar lenta. Debido a lo anterior el presente trabajo s...
En los últimos años los residuos generados por las industrias metalúrgicas han recibido mayor atención a causa de las implicaciones ambientales que conlleva su disposición, no obstante, se ha reportado que este tipo de residuos funcionan como adsorbentes de bajo costo para remover metales pesados de aguas residuales debido a su composición. Por otr...
This paper reports the effect of the components of a direct leaching residue (jarosite and elemental sulfur), on the recovery of valuable metals such as gold and silver. Leaching media such as cyanide and mixtures of cyanide with glycine were used to recover the gold and silver from the residue; however, a low recovery of these metals was obtained....
Precious metals such as gold (Au) and silver (Ag) are essential to our modern society due to their unique properties, such as high conductivity and physical and chemical resistance. They are teofn concentrated in by-products during the extraction of base metals. In the present work, a chalcopyrite leaching residue, constituted mainly of elemental s...
The sludge from a wet-off gas cleaning system of the iron blast furnace (BF) contains significant amounts of iron; however, they cannot be recycled due to their high content of zinc and alkalis. These compounds are detrimental to the optimal performance of iron and steelmaking furnaces. In this work, a comparative laboratory study to reduce zinc an...
In this work, blast furnace dust (BFD) obtained from a steel dust collector is used as low-cost adsorbent material for chromium removal from steel industrial plating wastewater. This study shows that BFD present physical and chemical characteristics, such as chemical composition, magnetic properties and particle size, suitable for application in ad...
Resumen En el presente trabajo se empleó como material adsorbente de bajo costo, residuos de óxidos de hierro provenientes de polvos de colector de una acerera, para la remoción de cromo contenido en aguas residuales de un proceso de cromado de acero, y de arsénico proveniente de aguas residuales mineras, contenida en presa de jales. De acuerdo a l...
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Project (1)