Diagnosis of accidents in the small and medium mining of Boyacá -н González-Sierra, Miguel Alfonso, Lara-González, Luis Ángel

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A Technical and Environmental Study of Fortified Structures Used in Coal Mining in Norte de Santander -н Bolívar-León, Rafael, Triviño-Jaimes, Neyl Richard, García-Mogollón, Javier Mauricio

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Productivity and competitiveness determination of the small-scale mining at the northern mining district in the state of Boyacá -н Bernal, Martha Stella Martínez

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Automatized system of control and monitoring of gases from coal mines -н Carreño Bodensiek, Carlos Guillermo

Нөхцлүүд: “…Coal mines…”

Performance of packed - bed corncob (Zea mays) in the removal of iron contained in acid mine drainage -н Hernández, Angie Lorena, Vásquez-Ochoa, Olga Yaneth, Roldan-García, Fabio Augusto, Lobo, Jairo Antonio Cubillos, Pineda, Gerardo Andrés Caicedo

Нөхцлүүд: “…Chemical conditioning, adsorption, biomass, coal mine, remediation.…”

Evaluation of techniques to reduce the concentration of sedimentable solids in the wastewater produced in the coal mining in the municipality of Guachetá, Cundinamarca -н Chaparro Alba, Sandra Liliana

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