Abstract A Polysulfone-Polyethylene glycol (PS/PEG) flat sheet membrane was prepared by phase inversion technique. Dimethyl Formamide (DMF) was utilized as a solvent and deionized water was utilized as the coagulant. Polyethylene glycol (PEG) of a various dose of PEG 2000 was utilized as the polymeric improvers and as a pore-forming agent in the casting mixture. The single-walled carbon nanotube (SWCNTs), multi-walled carbon nanotube (MWCNTs), aluminum oxide (Al2O3) and copper oxide (CuO) nanoparticles (NPs) were utilized to improve the PS/PEG membrane performances. The characterizations of the neat PS, PS/PEG, PS/PEG/Al2O3 (M1) PS-PEG/CuO (M2), PS-PEG/SWCNTs (M3) and PS/PEG/MWCNTs (M14) nanocomposite (NC) modified membranes were acquired via Fourier-transform infrared analysis (FTIR), water contact angle estimation (WCA), scanning electron microscope (SEM), dynamic mechanical analyzer (DMA) and thermogravimetric analysis (TGA). Enhanced Direct contact membrane distillation (EDCMD) unit was used for estimating the efficiency of the performance of the synthesized NC membranes via 60 °C feed synthetic water and/or saline oil field produced water samples containing salinities 123,14 mg/L. Adjusting the operational procedures and water characteristics confirmed a high salt rejection of 99.99% by the synthesized NC membranes. The maximum permeate flux achieved in the order of SWCNTs (20.91) > Al2O3 (19.92) > CuO (18.92) > MWCNT (18.20) (L/m2.h) with adjusted concentration of 0.5, 0.75, 0.75, 0.1 wt% compared with PS weight, i.e. 16%. The optimum operational circumstances comprised feed and permeate temperatures 60 °C and 20 °C, respectively. The achieved flux was 5.97 L/m2.h, using brine oil field produced water, via PS/PEG/SWCNTs membrane with 0.5 wt% of SWCNTs. Moreover, the membrane indicated sustaining performance stability in the 480 min continuous desalination testing, showing that the synthesized PS/PEG/SWCNTs NC modified membrane may be of magnificent potential to be activated in EDCMD procedure for water desalination.

中文翻译：

---

不同纳米增强聚砜膜通过膜蒸馏在利比亚塞尔特盆地采出水淡化中的性能评价

摘要 采用相转化技术制备了聚砜-聚乙二醇(PS/PEG)平板膜。二甲基甲酰胺（DMF）用作溶剂，去离子水用作凝结剂。使用各种剂量的 PEG 2000 的聚乙二醇 (PEG) 作为聚合物改进剂和浇铸混合物中的成孔剂。单壁碳纳米管 (SWCNTs)、多壁碳纳米管 (MWCNTs)、氧化铝 (Al2O3) 和氧化铜 (CuO) 纳米粒子 (NPs) 被用来改善 PS/PEG 膜的性能。改性的纯 PS、PS/PEG、PS/PEG/Al2O3 (M1) PS-PEG/CuO (M2)、PS-PEG/SWCNTs (M3) 和 PS/PEG/MWCNTs (M14) 纳米复合材料 (NC) 的表征通过傅里叶变换红外分析 (FTIR)、水接触角估计 (WCA)、扫描电子显微镜 (SEM)、动态力学分析仪 (DMA) 和热重分析 (TGA)。增强型直接接触膜蒸馏 (EDCMD) 装置用于通过 60 °C 进料合成水和/或含盐度 123,14 mg/L 的含盐油田采出水样品来评估合成 NC 膜的性能效率。调整操作程序和水特性证实合成的 NC 膜具有 99.99% 的高脱盐率。最大渗透通量按 SWCNTs (20.91) > Al2O3 (19.92) > CuO (18.92) > MWCNT (18.20) (L/m2.h) 的顺序实现，调整浓度为 0.5, 0.75, 0.75, 0.1 wt% PS重量，即16%。最佳操作环境包括进料和渗透温度分别为 60 °C 和 20 °C。实现的通量为 5.97 L/m2.h，使用盐水油田生产的水，通过 PS/PEG/SWCNTs 膜和 0.5 wt% 的 SWCNTs。此外，该膜在 480 分钟连续脱盐测试中表现出持续的性能稳定性，表明合成的 PS/PEG/SWCNTs NC 改性膜在 EDMD 过程中具有巨大的潜力，可用于水脱盐。