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Materias / palabras clave: coal utilization, coal mining, mineral processing, coalfield geology, coal conversion, environmental protection; Technology: Mining engineering. Metallurgy

Materias / palabras clave: clean coal, coal chemistry, coal conversion, energy conservation and emission reduction, resource utilization; Technology: Mining engineering. Metallurgy

Materias / palabras clave: mining, geology, coal processing and utilization, mine safety, coalfield geology and exploration, colliery mechanical & electrical technology; Science: Geology; Technology: Mining engineering. Metallurgy

The coal mining areas spanning the Inner Mongolia-Shaanxi border represent both a quintessential ecologically vulnerable zone and a critically important coal production base in China. However, large-scale, high-intensity...

Background Coal seams exhibit the extensive distribution of a variety of indigenous functional microorganisms. Among these, some archaea enable methane metabolism using CO2 as a substrate, providing the potential for the...

The increasing discharge of high-salinity industrial wastewater poses serious environmental and resource challenges, necessitating innovative utilization approaches. In this study, high-salt wastewater containing Na+ and...

BackgroundWith increasing pressure for global carbon emission reduction, geologic CO2 sequestration has emerged as a critical technical approach to achieving the goals of peak carbon dioxide emissions and carbon neutrali...

ObjectiveSuperfine cement-based grouting materials generally suffer from limitations including high bleeding rates, unfavourable rheological properties, poor stability, and strength retrogression. These issues can be mit...

BackgroundThe surface subsidence induced by coal seam mining represents a continuous dynamic evolution process. Constructing a full-time perdition model for surface subsidence in goafs holds significant theoretical and p...