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Centro Azúcar
versión On-line ISSN 2223-4861
Resumen
GOMEZ RIOS, István; PERDOMO GONZALEZ, Lorenzo; CRUZ CRESPO, Amado y QUINTANA PUCHOL, Rafael. RECOVERY METALLIC ELEMENTS FROM SOLID INDUSTRIAL RESIDUES ALTERNATIVE. cen. az. [online]. 2019, vol.46, n.2, pp. 35-44. Epub 01-Jun-2019. ISSN 2223-4861.
The increasing production of metallic elements results in the generation of large number of by-products which in many cases are considered as industrial residuals. In this paper an alternative to reduce these residuals by an aluminothermy process is proposed. The mixture studied consists in particles from steel hot rolling processes, aluminum chips from the profiles machining and cutting processes and ash from petroleum combustion of. As a result of this process an iron alloy with carbon contents of 3.62%, silicon of 0.47%, manganese of 0.25% and aluminum of 11.16% was obtained. In addition groups of other alloy elements with appreciable value, such as: Cr, Mo, Ni, V, Ti, Nb, and Co appears. The process evaluation is made from a comparison of the results obtained with those predicted in mass balance. The alloy obtained has prospects for industrial use.
Palabras clave : aluminothermy; bottom ash; mill scale.