The conventional Polyvinylidene Fluoride (PVDF) membrane was modified by polymerization Reversible addition−fragmentation chain-transfer (RAFT) with copolymer (PEGMA-co-BVIm-Br) on the upper bulk. This copolymer was obtained from the synthesis of (BVIm-Br) 3-butyl-1-vinyl-1-H-imidazole-3-ium bromide and the vinyl imidazole (VI) monomer N-vinyl imidazole (a hydrophilic monomer) and 1-bromobutane (C4H9Br). The analysis of such as ATR-FTIR, the magnetic resonance of H-NMR nuclei, zeta potential, Water Contact Angle (WCA), and Scanning Electron Microscopy (SEM) confirmed the presence of copolymer on the surface of the modified membrane. The bonding of this copolymer on the membrane surface reduced the WCA of the membrane water (from 89.5 ±1.96 to 33.8 ±1.55). The raw PVDF membrane (M1) and modified membrane (with total ratio-P(PEGMA-co-BVIm-Br) copolymer 2.5 % (M2), 5 % (M3), 10 % (M4), 20 % (M5), and 40% (M6) to (raw PVDF membrane) membrane showed appropriate hydrophilic nature and excellent separation of oil droplets from water/oil emulsions in the simulated effluent on the surface.

This operation was performed for a comprehensive study on the determined parameters and by filtration with simulated petrochemical industry effluent (containing water/oil emulsion). Therefore, the recovery efficiencies of water flux, flow flux, oil recovery amount, as well as total fouling of M6 membrane were reported 96.14±0.99 and 428±2.6 L/ (m2 h), 96.1±1.3%, and 17.18±0.37%, respectively. This study aimed to prepare a copolymer-modified membrane that can show high performance in cleaning and resistance to various fouling, such as Rt, Rr, and Rir at the specified temperature, after long-term emulsion separation.

传统的聚偏二氟乙烯 (PVDF) 膜通过聚合可逆加成-断裂链转移 (RAFT) 与共聚物 (PEGMA-co-BVIm-Br) 在上部本体上进行改性。该共聚物由 (BVIm-Br) 3-丁基-1-乙烯基-1-H-咪唑-3-溴化物和乙烯基咪唑 (VI) 单体 N-乙烯基咪唑（亲水性单体）和 1 -溴丁烷 (C4H9Br)。ATR-FTIR、H-NMR核磁共振、zeta电位、水接触角(WCA)和扫描电子显微镜(SEM)等分析证实了改性膜表面存在共聚物。这种共聚物在膜表面的结合降低了膜水的 WCA（从 89.5 ±1.96 到 33.8 ±1.55）。

执行此操作是为了对确定的参数进行全面研究，并通过模拟石化工业流出物（含有水/油乳液）进行过滤。因此，M6 膜的水通量、流量、采油量和总污染的回收效率分别为 96.14±0.99 和 428±2.6 L/（m2 h）、96.1±1.3% 和 17.18±0.37% ， 分别。本研究旨在制备一种共聚物改性膜，该膜在长期乳液分离后，在指定温度下表现出高性能的清洁和抗各种污垢，如 Rt、Rr 和 Rir。