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Spontaneous Combustibility Characterisation of the Chirimiri Coals, Koriya District, Chhatisgarh, India
Chirimiri Coalfield Crossing Point Temperature (CPT) Infrared (IR) Studies
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2013/3/7
Representative coal samples were collected from different coal seams of the Chirimiri coalfield which covered the entire stratigraphic sequence. These samples were tested for Chemical analysis, Crossi...
Chemical Analyses of Middle and Upper Pennsylvanian Coals from Southeastern Kansas
Chemical Analyses Pennsylvanian Coals Southeastern Kansas
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2009/10/21
Elemental and chemical analyses and physical tests were conducted on 36 samples of Middle and Upper Pennsylvanian coals from southeastern Kansas. Concentrations of 35 minor and trace elements in these...
Thermogravimetric Characterization of Turkish Bituminous Coals for Combustion
Thermal analyses Coal combustion Char reactivity
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2010/4/21
This study focused on the thermal gravimetric characterization of Turkish bituminous coals for combustion. The combustion properties considered were based on the burning profile of coal samples and th...
Effect of Acid Treatment on Volumetric Swelling Ratios of Coals
Effect Acid Treatment Volumetric Swelling Ratios of Coals
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2010/4/22
To remove Ca2+ ions, six low rank coals and one coking coal were treated with 0.1 and l.0 N HC1 for 24 h. IR spectra and proximate analysis of the lignites indicated that only slight structural change...
Heat Treatment of Maceral Groups Obtained From Turkish Bituminous Coals
Heat Treatment Maceral Groups Obtained Turkish Bituminous Coals
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2010/7/1
The dilatation properties of parent coals and their maceral fractions were examined. In all the coal samples, the main petrographic constituent was the vitrinite maceral. Reflectance of the vitrinite ...
Occurrence of Spherical Halloysite in Bituminous Coals of the Sydney Basin, Australia
Coal Energy-dispersive X-ray spectroscopy Halloysite Morphology Sphere Transmission electron microscopy
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2012/1/4
Spherical halloysite aggregates have been identified for the first time in mineral matter isolated from bituminous coals. The spherules, found in Permian coals of the Sydney basin, New South Wales, ra...