The present state of the methods commonly used for inorganic and mineral matter
characterization in coal is described and summarized. The application of various separation …

A combination of spectroscopy methods (SEM, EDX, XRD, IR, and XPS) was used to study
the morphology of Pittsburgh No. 8 Coal after electrolysis in 1.5 M H2SO4/100mM …

Although Fe-sulfate minerals occur only rarely on Earth as alteration products of sulfidic
basalts or in hydrothermal systems, multiple lines of evidence point to the importance of Fe …

A low-rank Slovak sub-bituminous coal from the Handlová deposit was physically treated by
washing in a water-only cyclone with the goal to find the separation effect for inorganic …

The growth of K-jarosite was evaluated using scanning electron microscopy (SEM), atomic
force microscopy (AFM), and molecular simulations. SEM micrographs show crystals with …

Coal is one of the main sources of energy in many parts of the world and has one of the
largest reserves/production ratios amongst all the non-renewable energy sources …

Coal is the most abundant, most economical and widely distributed fossil fuel in the world
today. It is also the principal form of reductant in the iron and steel industry. This study was …

The Mars Exploration Rover Mössbauer spectroscopy team identified jarosite, a sulfate
which forms in the presence of water, in spectra of a layered outcrop in Meridiani Planum …

The aim of this study is to identify compounds contained in liquid coal by using Gas
Chromatography-Mass Spectrometry (GC-MS) and X-Ray. GC-MS is used to analyse the …

Colombia en América Latina ocupa un lugar destacado en la producción y exportación de
carbón, principalmente a Europa, Asia y Estados Unidos. Actualmente existe incertidumbre …