Full Length ArticleIntensify Dodecylamine (cas 124-22-1) adsorption on magnesite and dolomite surfaces by monohydric alcohols

Add time:09/29/2019    Source:sciencedirect.com

The flotation of magnesite and dolomite were investigated with the presence of single Dodecylamine (cas 124-22-1) (DDA) and combined mixtures of DDA and monohydric alcohols, respectively. The adsorption behavior of DDA, butanol, hexanol and octanol on the surface of the two minerals were shown by molecular dynamics simulation, and the results were corresponding with the analysis of zeta potential, measurements of the contact angle and adsorption. Flotation results indicated that part of DDA could be replaced by the three alcohols (butanol, hexanol, octanol) to get better flotation results. Molecular dynamics simulation and the results of zeta potential and contact angle measurements indicated that adsorption of DDA on mineral surfaces could be strengthened by monohydric alcohols.

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