γ-Ray irradiation synthesized PAN-g-IL membrane for high-efficiency dye/oil–water emulsion separation with superior antifouling performance

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Science Pub Date : 2025-10-14 DOI:10.1007/s10853-025-11393-5

Yue Wu, Qi Yuchao, Ying Xue, Xiaonan Hao, Shulin Sun, Jingxuan Zhao

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Abstract

The escalating industrial activities in metal processing, textile manufacturing, petroleum refining, leather production, and pulp industries have generated substantial amounts of industrial wastewater, presenting critical environmental challenges that require immediate attention. In this study, we developed a novel polyacrylonitrile grafted ionic liquid (PAN-g-IL) membrane through γ-ray irradiation-induced grafting of 1-vinyl-3-ethylimidazolium bromide onto polyacrylonitrile, followed by non-solvent induced phase separation (NIPS) membrane fabrication^[1] . The developed membrane exhibited exceptional separation performance for both dye-laden and oil-contaminated wastewater systems. The PAN-g-IL membrane demonstrated a pure water flux of 358.1 L m⁻² h⁻¹ with remarkable rejection rates exceeding 98% for cationic dyes, and for oil–water emulsions has a very good retention performance^[2] , indicating superior antifouling properties and long-term operational stability.

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γ射线辐照合成PAN-g-IL膜，高效分离染料/油水乳液，具有优异的防污性能

金属加工、纺织制造、石油精炼、皮革生产和纸浆行业的工业活动不断升级，产生了大量的工业废水，提出了迫切需要关注的严峻环境挑战。在本研究中，我们通过γ射线辐照在聚丙烯腈上接枝1-乙烯基-3-乙基咪唑溴，制备了一种新型聚丙烯腈接枝离子液体（PAN-g-IL）膜，然后进行非溶剂诱导相分离（NIPS）膜制备[1]。所研制的膜对含染料废水和含油废水均表现出优异的分离性能。PAN-g-IL膜的纯水通量为358.1 L m−2 h−1，对阳离子染料的截留率超过98%，对油水乳液的截留性能[2]非常好，具有优异的防污性能和长期运行稳定性。

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来源期刊

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.