Published July 1, 2018 | Version v1
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Transiciones de fase en un sistema alquilcarboxilato de imidazolio/querosén/agua

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En este trabajo se determinaron las transiciones de fase de surfactantes de contraión orgánico de tipo alquilcarboxilato de imidazolio (IMICn) en sistemas querosén/agua para su posible aplicación en la industria petrolera. Para IMIC12 se encontró transiciones de tipo WI→WIII→WII y un incremento de la zona WIII con el aumento de la concentración de este surfactante. El estudio de transiciones de fase a través de mapas de formulación estuvo en concordancia con los cambios observados en las medidas de conductividad y tamaño de gota de las emulsiones formadas. Se pudo notar la relación existente entre las variables fisicoquímicas empleadas NaCl/BuOH necesarias para promover las transiciones de fase encontradas. Se trabajó con 0,3%m/v como concentración en común para las tres colas estudiadas, observando una disminución de las variables fisicoquímicas empleadas con el aumento de la lipofilicidad del surfactante de contraión orgánico. Los mapas de conductividad permitieron determinar el cambio del tipo de emulsión de O/W a W/O, para todos los casos.

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https://revistas.fondoeditorial.uru.edu/index.php/tecnocientificauru/article/view/bravojimenezchavezcaceresn15a18

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