Effect of mechanical activation on the composition of mineral components in humic acids isolated from carbons
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It is shown that the mechanical activation of oxidized and brown coals is accompanied by an increase in the yield of humic acids and in their content of functional groups. It was demonstrated by atomic-emission spectroscopy that, under a high-intensity mechanical treatment, mineral elements are redistributed in the coal substance and incorporated into the structure of humic acids.
KeywordsHumic Substance Humic Acid Mechanical Activation Mechanical Admixture Petroleum Chemistry
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