Some electrical properties of bubbles and their role in the flotation of quartz

1974 
AbstractA method has been developed to measure the streaming current of gas bubbles in aqueous solutions of inorganic electrolytes and of dodecylamine hydrochloride. The streaming current data obtained in dodecylamine hydrochloride solutions have been compared with the zeta potential and the flotation recovery of quartz for the same solution conditions. The significance, in the flotation recovery of quartz, of the relative surface charges on the gas bubbles and on the quartz is discussed. Resume Les auteurs ont developpe une methode afin de mesurer le potentiel d'ecoulement des bulles de gaz dans des solutions aqueuses d'electrolytes inorganiques et du chlorhydrate de dodecylamine.Les donnees du potentiel d';ecoulement obtenues dans le cas des solutions de chlorhydrate de dodecylamine ont ete comparees au potentiel zeta et au recouvrement de quartz par fiottation dans des solutions de meme concentration.L'importance des charges de surface relatives sur les bulles de gaz et sur le quartz, dans le procede d...
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