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Cost Evaluation of Different Medium Solids for Air Dense Medium Fluidized Bed Coal Separation
2017
University laboratory work on air fluidised bed separation, testing pyrrhotite, blast furnace slag, silica sand and coal discards against magnetite, for engineers considering waterless coal washing.
What this report foundMagnetite and pyrrhotite each gave the most uniform and stable fluidised bed densities, with bed density variation under 0.7 per cent.
R1500,00
R1500,00
What this report found
Magnetite and pyrrhotite each gave the most uniform and stable fluidised bed densities, with bed density variation under 0.7 per cent. A pyrrhotite and magnetite blend at a weight ratio of 40:60 beat magnetite alone, producing a product of 14.50% ash and 27.30 MJ/kg from a feed of 39.27% ash and 18.76 MJ/kg.