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首页> 外文期刊>Transactions of The Institution of Chemical Engineers. Process Safety and Environmental Protection, Part B >Synthesis, characterization and performance studies of polysulfone and polysulfone/polymer-grafted bentonite based ultrafiltration membranes for the efficient separation of oil field oily wastewater
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Synthesis, characterization and performance studies of polysulfone and polysulfone/polymer-grafted bentonite based ultrafiltration membranes for the efficient separation of oil field oily wastewater

机译：聚砜和聚砜/聚合物接枝膨润土基超滤膜的合成，表征及性能研究，用于油田含油废水的有效分离

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摘要

In this study, polysulfone based mixed-matrix ultrafiltration membranes were prepared by blending polysulfone with different polymer-grafted bentonite additives. Formation of polymer-grafted bentonite was confirmed by Fourier transformed infra-red spectroscopy, energy-dispersive X-ray and thermal gravimetric analysis. Membranes were fabricated via wet phase inversion process with varying additive concentration. Hydrophilicity and structural changes of grafted polysulfone membranes were investigated by scanning electron microscope, water contact angle, molecular weight cut-off and pure water flux measurement. Prepared polysulfone/polymer grafted bentonite membrane was used for the separation of oil from oil-field oily wastewater and the membrane performance was evaluated in terms of permeate flux, oil rejection and fouling characteristics. Finally, results were compared with plain polysulfone and polysulfone/bentonite ultrafiltration membranes. (C) 2016 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
机译：在这项研究中，通过将聚砜与不同的聚合物接枝膨润土添加剂混合，制备了基于聚砜的混合基质超滤膜。傅里叶变换红外光谱，能量色散X射线和热重分析证实了聚合物接枝膨润土的形成。通过湿相转化工艺制备膜，其中添加剂的浓度不同。通过扫描电子显微镜，水接触角，分子量截留值和纯水通量测量研究了接枝聚砜膜的亲水性和结构变化。将制备好的聚砜/聚合物接枝膨润土膜用于从油田含油废水中分离油，并根据渗透通量，排油率和结垢特性评价膜的性能。最后，将结果与普通聚砜和聚砜/膨润土超滤膜进行了比较。 （C）2016化学工程师学会。由Elsevier B.V.发布。保留所有权利。

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