Surface and flotation properties of the modifying additive butyltriethyltetramine
Abstract
Adsorption and electrokinetic characteristics of a new modifying additive butyltriethyltetramine ( B-TETA) at the water-air interface and water-mineral interface were studied. The introduction of butyl radical into the amino group of triethylenetetramine leads to increase of the surface activity of the reagent. The effect of B-TETA on the flotability of sulphide minerals was studied. The additive of B-TETA has a great effect on flotation of chalcopyrite. The yield of chalcopyrite in a wide range of pH (6-12) at using B-TETA increases by 8-10%.
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