纳米粒子包覆聚苯乙烯膜分离油水乳液

Chioma Mbakaogu, Ngozi Nwogu, Nkemakolam Izuwa, Stanley Ekwueme
联邦理工大学石油工程系

摘要

在过去的几十年里，由于在许多工业活动中的适用性提高，对膜的需求大大增加。在石油和天然气工业中，
过滤膜比其他类型的膜更受欢迎，因为它们使用微过滤和 / 或超滤技术分离油水乳液。研究人员一直致力于开发性能
更好的膜，以提高分离效率和防污性能。纳米技术的发展使纳米颗粒可用来进一步提高膜的性能和性能，增加了膜
在乳液分离中的应用。在本工作中，尺寸为 0.1 μ m 的聚苯乙烯膜通过涂覆氧化铝纳米颗粒来提高抗污染性能和分
离效率。利用制备的复合膜体系对油水乳液进行了分离实验。结果表明，该膜系统在 60% 行程和 80% 行程压力下的
排油效率分别为 97.86% 和 97.54%，在 80% 行程和 60% 行程压力下的渗透通量分别为 2.433 ml/cm2
-min 和 1.944 ml/
cm2
-min。结果表明，压力的增加对膜效率的影响较小。氧化铝涂层的应用提高了膜的效率，降低了膜的污染特性。

关键词

氧化铝；乳液；纳米颗粒；膜；聚苯乙烯

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