Abstract
High flotation activity of collector when additional hydrophilic group is implemented in its structure of hydrocarbon fragment does not have explanation in thermodynamic description of the elementary act of flotation. An assumption is made that the presence of hydrophilic group promotes connection establishing of energetic links between hydrocarbon fragment of reagent and water molecules. As a result, speed of spreading of physical form of reagent sorption on “gas-liquid” interface, when flotation complex forms, increases. Connection between flotation activity of collector, its structure and composition and power of surface flow of its physically sorbed forms is established.
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