Copper and nickel production as dynamic elements of Cuban society by Virginia Costa-Llanos, José Otaño-Noguel, Mayda Ulloa-Carcasses

“…In the authors' opinion, changes that forcefully modify the Cuban history and society clearly expressed in copper and nickel exploitation, transforming entire regions and towns into appendices of the big international industry with consequent results for society.…”
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Indicators used as variables in the analysis of efficiency in the nickel mining in Cuba by Leonardo Rodríguez-Mestre, Yaimary Marrero-Ancízar, Clara Luz Reynaldo-Argüelles

“…Based on the results, it is proposed to use the tons of nickel produced in Cuba as a product variable in the efficiency analysis. …”
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Recovery of the buckets of the front loaders of transport in the nickel mining company in Cuba by Robin Rubino-De la Cruz

“…This work proposes a procedure for the replacement of damaged parts in transport front loaders dedicated to nickel mining. For this, actions of mechanical design and welding are interrelated. …”
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Post-combustion effect on the main technical-economic indices in the Herreshoff furnace for nickel production by Ivett María Ramírez-Pérez, Beatriz Ramírez-Serrano

“…The main disadvantage of Caron technology for the extraction of nickel from lateritic minerals is the high energy consumption related to the mineral preparation processes in the Herreshoff furnaces prior to the extraction of nickel. …”
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Dermatitis de contacto por prótesis ortopédicas Contact dermatitis for orthopaedic prostheses by C.A. Danielo, M. Reyna, C. Consigli (h)

Subjects: “…Contact dermatitis to nickel…”
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Geological and economic criteria on the existence of scandium in the lateritic deposits of Moa, Cuba by Alain Carballo-Peña, José Nicolás Muñoz-Gómez, Gerardo Antonio Orozco-Melgar, Arturo Luis Rojas-Purón

“…The reported values of the average contents of scandium show economic potential for developing geological exploration projects that consider the extraction of metal as a byproduct of nickel and cobalt production in Moa, using acid leaching technology under pressure.…”
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Tectonic influence on the spatial arrangement of ore-bearing horizons from San Felipe deposit by Alfredo Rodríguez-Catalá, Alina Rodríguez-Infante

“…The purpose of the study is to show the influence of tectonic structure on the spatial arrangement and mineralization variability of ore-bearing horizons from San Felipe ferro-nickel laterite crust deposit. Mineral maps content and spatial distribution were prepared from the well log data, and cross sections were made to visualize in depth the displacements produced on both sides of the fault movement vector, and to establish relationships between mineralization and the structural geometry of crust. …”
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Efluente líquido (WL) de la tecnología de lixiviación ácida: alternativas de tratamiento by Eulalia Rondón-Medina, Rosario Fuentes-Camacho, Florlibar Cueto-Romero

“…El residual conocido como WL (waste liquor) se genera en la tecnología de lixiviación ácida de minerales lateríticos que aplica la empresa Pedro Sotto Alba (Compañía Moa Nickel S.A.) para precipitar el níquel y el cobalto en forma de sulfuros. …”
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Influence of Stockpile Angle in Natural Drying of Laterite Ore by Yoalbys Retirado-Mediaceja, Arístides Alejandro Legrá-Lobaina, Amauris Gilbert-Hernández, Edison Patricio Salazar-Cueva, Jorge Rubén Salazar-Cueva, Magaly Alexandra Mendoza-Vaca

“…Natural drying is performed at Cuban nickel plants by depositing bulk ore in the open. …”
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Encapsulamiento de lodos de plantas de tratamiento de aguas residuales de la industria automotriz en matrices de arcilla by César Augusto García Ubaque, María Camila García Vaca, Martha Lucía Vaca Bohórquez

“…The metal with lowest removal percentage was selenium and the highest removal percentages were arsenic, nickel, chrome, zinc and cadmium.…”
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Adsorción de escandio del licor residual WL con carbón activado modificado con soluciones de H3PO4 by Aymee Reyes-Dalmau, Yudith González-Díaz, Eidier Góngora-Blet, Leonel Garcell-Puyáns, Marian Rigñack-Delgado

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Metal Accumulation in Surface Sediment of the Urban and Industrial Coastal Area of the Municipality of Moa (Cuba): Distribution and Pollution Assessment by Yosbanis Cervantes-Guerra, Allan Pierra-Conde, Alina Rodríguez-Infante, Yuri Almaguer-Carmenates, Hans Jürgen-Gursky, Jo Van-Caneghem, Carlo Vandecasteele

“…The overall range of concentrations is 15.7 - 83.5 mg g-1 for aluminum, 1.4 – 17.9 mg g-1 for chromium, 22.8 - 379.5 mg g-1 for iron, 1.5 - 56.2 mg g-1 for manganese, 0.9 – 6.2 mg g-1 for nickel, 56 - 1094 µg g-1 for cobalt, 6 - 126 µg g-1 for arsenic, 17 to 146 µg g-1 for copper, 6 - 66 µg g-1 for lead, and 64 - 576 µg g-1 for zinc. …”
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ESTUDIO DE DOS TRATAMIENTOS A ESCALA PILOTO PARA LA BIODEGRADACIÓN DE SUELOS CONTAMINADOS POR HIDROCARBUROS POR EL MÉTODO DE LANDFARMING by Marcelo Fabián Cabrera Jara, Lucia Montenegro

“…In the A row were obtained at concentrations of 3170 ppm TPH, cadmium 0.433 ppm, nickel 17.0 ppm and lead 6.51 ppm; while on the B row concentrations were obtained from 3736 ppm TPH, cadmium 0.608 ppm, nickel 16.1 ppm and lead 11.80 ppm. …”
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