Relations between the deposits means and the chemical trials in the Samacá Coal Tekijä Suescún-Torres, Jaime Humberto

Aiheet: “…coal…”

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

Aiheet: “…Coal mines…”

Degasification possibilities evaluation in Socotá coal mines (Boyacá, Colombia) Tekijä Mariño-Martínez, Jorge Eliécer, Ortegón-Cuéllar, Marco Tulio, Mariño-Santos, Natalia

Aiheet:

Effect of colombian coal rank and its feeding technology on substitute natural gas production by entrained gasification Tekijä Pérez-Bayer, Juan Fernando, Barrera-Zapata, Rolando, Salazar-Jiménez, Carlos Alberto

Aiheet: “…coal-SNG…”

Methodology for the exploration of coal bed methane (CBM) in Colombia coal basins Tekijä Mariño-Martínez, Jorge Eliecer, Mojica, Lucila

Aiheet: “…coal…”

Radon Concentration in Coal Mining In Corrales- Boyacá Tekijä Franco-Becerra, A.C, Martínez-Ovalle, S.A, Montañez-Reyes, A.T., Sajó-Bohus, L.

Aiheet: “…(222Rn), alpha, coal, LR-115, dosimetry, lung cancer risk.…”

Zoning for risk of methane gas explosions in coal mining in Boyacá, Colombia Tekijä Arteaga Hernández, Juan Sebastián

Aiheet:

Tectonic deformation troubles in coal seems during geological exploration Tekijä Reyes Chittaro, Ítalo

Aiheet:

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

Aiheet:

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

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

Practical aspects of coking in Cundinamarca y Boyacá Tekijä Romero-Balaguera, Segundo Manuel

Aiheet:

Contributions to determine paleoenvironments, coals syncline ChecuaLenguazaque. Colombia Tekijä Gómez-Neita, Juan Sebastián, López-Carrasquilla, Mayra Dayana, Manosalva-Sánchez, Sandra Rocio, Naranjo-Merchán, Wilson Enario

Aiheet: “…coal facies…”

Impact of dumping of wastewater from carbon washing on the physicochemical properties of the soil Tekijä Aquino Montoro, Josselyn Azucena, García Martínez, Geraldine Paola, García Reyes, Laura Valentina

Aiheet:

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

Aiheet:

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

Aiheet:

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

Aiheet:

Presence of contamination by As Cd, As, Pb, Se, and Hg in coals of the Cundiboyacense area, Colombia Tekijä Gómez-Rojas, Olga Patricia, Díaz-Lagos, Mercedes, Blandón-Montes, Astrid, Martínez-Ovalle, Segundo Agustín

Aiheet:

Gasification of coal, Chenopodium Album biomass, and co-gasification of a coal-biomass mixture by thermogravimetric-gas analysis Tekijä Ardila-Barragán, Marco Antonio, Valdés-Rentería, Carlos Francisco, Pecha, Brennan, López-Díaz, Alfonso, Gil-Lancheros, Eduardo, Vanegas-Chamorro, Marley Cecilia, Camporredondo-Saucedo, Jesús Emilio, Lozano-Gómez, Luis Fernando

Aiheet:

Spillover Effect of International Market on Latin American Economies: The Cases of Chile, Brazil, Colombia and Mexico Tekijä Candelo-Viafara, Juan Manuel, Oviedo-Gómez, Andrés Felipe

Aiheet: “…spillover effect; oil prices; coal prices; gas prices; economic growth;…”

Application of Micro-Raman Spectroscopy for the Quantitative Analysis of Vitrinite Reflectance in Medium and High Rank Colombian Coals Tekijä Urbano-Noguera, Ruben Dario, Estupiñan-Duran, Hugo Armando, Neira-Arenas, Gustavo

Aiheet: “…coal rank…”