Abstract:The effects of hydrolysable metal salts on the flotation of potato starch with anionic surfactant, sodium dodecylsulfate, were investigated. It was presented that negatively charged starch surface was activated by the hydrolysable metal salts of Al(III), Fe(III), Cu(II) and Ni(II). The pH range in which the activation was observed ranged from the precipitation pH of each metal hydroxide to the isoelectric point, IEP, of each hydroxide precipitate. SEM images indicated that starch particles were covered with hy… Show more
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