In the present work the salt flotation technique has been tested with 27 different inorganic electrolytes on two high ash coal samples the performance of various salt solutions were compared in . The results of the coal flotation experiments in the presence of salt solutions showed that the inorganic electrolytes enhanced the flotation performance depending on the type and the concentration of the salt. Purchase coal flotation and fine coal utilization volume 14 1st edition print book e book isbn 9780444505378 9780080529240 concentrated inorganic salt solutions depressants coal depression pyrite depression flocculants in coal preparation salt flotation references 7 fine coal multi unit processing circuits. The results of two research projects supported by the us department of energy are reported in the first 32 different salts were tested in the flotation of 100 mesh bituminous coal. Enhancement of coal flotation in salt solutions which can be divided into three categories i the inorganic electrolytes destabilise the hydrated layers surrounding the mineral particles and reduce the surface hydration of particles which in turn increases
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