Use of bituminous coal as an additive in the lateritas reduction process

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Published: Dec 8, 2019
Keywords:
Additives in reduction ovens oil and bituminous coal nickel and cobalt extractions economic savings

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Hugo Javier Angulo-Palma
Centro de Investigaciones del Níquel
Angel Legrá-Legrá
Centro de Investigaciones del Níquel
Carlos Hernández-Pedrera
Universidad de Oriente
Alisa Lamorú-Urgellés
Centro de Investigaciones del Níquel
Junior Ramón Vega-Cala
Centro de Investigaciones del Níquel

Abstract

Due to the urgent need that Cuba has to extract the nickel and cobalt present in the lateritic minerals of Moa municipality in Holguin province from the metallurgical process known as Caron Technology, managing to reduce their production costs and increasing or maintaining the extraction efficiency, the effect of substitution of oil used as an additive in the Herreshoff type reduction furnaces by bank-level bituminous coal was investigated. In it was proved, that using a bottle furnace to reduce the mineral and a bank of reactors to leach the ammonia pulp, that when using from 4 % of bituminous coal it is possible to replace the oil without affecting the nickel and cobalt extractions. The replacement of additive oil with bituminous coal was preliminarily feasible from the economic point of view, saving around 23,55 millions USD/and using 4 % bituminous coal, and 52,91 millions USD/and using 5 % bituminous coal.

Article Details

How to Cite
Angulo-Palma, H. J., Legrá-Legrá, A., Hernández-Pedrera, C., Lamorú-Urgellés, A. and Vega-Cala, J. R. (2019) “Use of bituminous coal as an additive in the lateritas reduction process”, INFOMIN, 11. Available at: https://infomin.edicionescervantes.com/index.php/i/article/view/130 (Accessed: 2 July 2026).
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Vol. 11 (2019): january-december
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Artículos Originales

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