Bio-indicators in Stockpiled Coal Mining Soils in South Africa
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Can old bord-and-pillar workings be mapped from surface?
2016
Desktop review updating two earlier assessments, weighing borehole scanning, robots and unmanned aerial platforms as routes to locating old workings ahead of opencast drilling and blasting.
What this report foundNo surface geophysical method can map individual bords and pillars at the depths typical of the Witbank coalfield, a limit the review attributed to physics...
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No surface geophysical method can map individual bords and pillars at the depths typical of the Witbank coalfield, a limit the review attributed to physics rather than to technology, since the targets are small relative to their depth and conductive layers often lie above the seam. Borehole laser scanning remains the workable option, with sonar suited to flooded workings.
Alternative uses of coal in the production of advanced materials and lightweight products for the sustainability of the South African coal industry
2023
Desktop review commissioned to shape a five year coal processing research roadmap, covering rare earth recovery, carbon fibre, graphene, activated carbon and building products. For research planners.
What this report foundCoal can feed products well beyond combustion. The study sets out routes to rare earth elements held in particular seams, building materials made with carbon...
R1500,00
Coal can feed products well beyond combustion. The study sets out routes to rare earth elements held in particular seams, building materials made with carbon fibre and carbon char, coal foam and graphene composites, carbon black and activated carbon, including a coal derived activated carbon reported to hold four times the gas of compressed natural gas at lower pressure.
Evaluate the Remaining Resources of Low Phosphorus Coal in Mpumalanga Province
2004
Assessment of remaining metallurgical grade coal in the Witbank, Highveld and Ermelo coalfields from national borehole records, for resource planners and buyers of reductant coal.
What this report foundTonnage estimates for the remaining low phosphorus resource could not be produced, because the phosphorus analyses supplied by mining companies did not state...
R1500,00
Tonnage estimates for the remaining low phosphorus resource could not be produced, because the phosphorus analyses supplied by mining companies did not state what had been measured. Distribution trends were still mapped. Coal at or below 0.010 per cent phosphorus is widespread in the Witbank Coalfield, restricted to the far northwestern Highveld, and follows a northwest to southeast band in eastern Ermelo.