High throughput PTFE@PPS /ACFs porous membrane for continuous highly effective oil-water separation

IF 4.5 3区工程技术 Q1 CHEMISTRY, APPLIED

Reactive & Functional Polymers Pub Date : 2024-09-07 DOI:10.1016/j.reactfunctpolym.2024.106049

Zhiying Li , Zhixian Wang , Jianping Guo , Mengyun Wu , Liangbo Zhu , Jieming Huang , Luoxin Wang

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Abstract

We proposed a feasible and straightforward approach for fabricating a superhydrophobic polytetrafluoroethylene coated polyphenylene sulfide/aramid composite film (PTFE@PPS/ACFs porous membrane) for oil-water separation. This process involves utilizing a wet paper making process combined with a spray coating technique. The PPS/ACFs composite membrane displays a three-dimensional network structure by the application of wet papermaking approach. The uniformly spray coating of PTFE on its surface results in a superhydrophobic PTFE@PPS/ACFs porous membrane (PPAM). The membrane obtained through this method can effectively separate oil and water. It is remarkable in separating oil-water lotion stabilized by surfactant, achieving a separation efficiency of up to 99.9 % with a high flux of 8000 L/m²·h⁻¹. Additionally, owing to the inherent thermal stability of the membrane, the PPAM is recyclable. In summary, the PTFE@PPS/ACFs porous membrane is a promising for separating various oil-water emulsions. Its outstanding performance, including high separation efficiency, flux, and recyclability, underscores its potential for practical applications for oil-water separation.

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用于连续高效油水分离的高通量 PTFE@PPS /ACFs 多孔膜

我们提出了一种可行而直接的方法，用于制造超疏水聚四氟乙烯涂层聚苯硫醚/芳纶复合膜（PTFE@PPS/ACFs 多孔膜），以实现油水分离。该工艺采用湿法造纸工艺与喷涂技术相结合。通过湿法造纸，PPS/ACFs 复合膜呈现出三维网络结构。在其表面均匀喷涂聚四氟乙烯后，就形成了超疏水的 PTFE@PPS/ACFs 多孔膜（PPAM）。通过这种方法得到的膜可以有效地分离油水。它在分离表面活性剂稳定的油水乳液方面效果显著，在 8000 升/平方米-小时-1 的高通量下，分离效率高达 99.9%。此外，由于膜固有的热稳定性，PPAM 可循环使用。总之，PTFE@PPS/ACFs 多孔膜有望用于分离各种油水乳剂。其出色的性能，包括高分离效率、高通量和可回收性，突出了其在油水分离实际应用中的潜力。

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来源期刊

Reactive & Functional Polymers 工程技术-高分子科学

CiteScore

8.90

自引率

5.90%

发文量

259

审稿时长

27 days

期刊介绍： Reactive & Functional Polymers provides a forum to disseminate original ideas, concepts and developments in the science and technology of polymers with functional groups, which impart specific chemical reactivity or physical, chemical, structural, biological, and pharmacological functionality. The scope covers organic polymers, acting for instance as reagents, catalysts, templates, ion-exchangers, selective sorbents, chelating or antimicrobial agents, drug carriers, sensors, membranes, and hydrogels. This also includes reactive cross-linkable prepolymers and high-performance thermosetting polymers, natural or degradable polymers, conducting polymers, and porous polymers. Original research articles must contain thorough molecular and material characterization data on synthesis of the above polymers in combination with their applications. Applications include but are not limited to catalysis, water or effluent treatment, separations and recovery, electronics and information storage, energy conversion, encapsulation, or adhesion.