Js. Laskowski et Zm. Yu, Oil agglomeration and its effect on beneficiation and filtration of low-rank/oxidized coals, INT J MINER, 58(1-4), 2000, pp. 237-252
Low-rank/oxidized coals respond poorly to oil agglomeration. Emulsification
of kerosene in the presence of surfactants dramatically reduces the size o
f the kerosene droplets, lowering the consumption of kerosene needed to agg
lomerate oil down to 0.25-0.5%. Surfactants can also entirely change the in
teraction between oil droplets and coal particles. Consequently, kerosene c
ationic emulsions can efficiently agglomerate oxidized coal particles. The
agglomerates obtained in such a process can still be recovered by screening
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