This study demonstrates a novel method for enhancing ultrafiltration membrane performance by integrating TiCT MXene nanomaterials into a polyethersulfone (PES) matrix, creating mixed matrix membranes (MMMs). The structure and surface characteristics of the fabricated MMM containing different loadings of Mxene were thoroughly characterized using SEM, TEM, XRD, and AFM. The membrane performance in water–oil separation and as support for air-dehumidification membranes were investigated. Incorporating Mxene improved the membrane morphology, hydrophilicity, and mechanical properties. Moreover, the PES-MXene MMMs exhibited ultra-high water flux of 2280 LMH/bar, 98 % oil rejection, and a water vapor permeance (WVP) of 18,100 GPU, significantly outperforming the control PES membranes. Long-term stability assessments for 16 h revealed the optimum MMM containing 0.1 wt MXene has an emulsion flux of 180 % of the control PES membrane. Antifouling testing using 1000 mg/L milk solution also demonstrated that the MMM has a 50 % reduction in irreversible fouling than the control PES membrane. These results establish the PES-MXene MMMs as a high-performance solution for water treatment and air-dehumidification applications, opening new application avenues.

中文翻译：

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具有增强空气除湿和油水分离性能的超滤聚醚砜-MXene混合基质膜

这项研究展示了一种通过将 TiCT MXene 纳米材料集成到聚醚砜 (PES) 基质中，创建混合基质膜 (MMM) 来增强超滤膜性能的新方法。使用 SEM、TEM、XRD 和 AFM 彻底表征了含有不同 Mxene 负载量的制造的 MMM 的结构和表面特征。研究了水油分离和空气除湿膜支撑的膜性能。掺入 Mxene 改善了膜的形态、亲水性和机械性能。此外，PES-MXene MMM 表现出 2280 LMH/bar 的超高水通量、98% 的脱油率和 18,100 GPU 的水蒸气渗透性 (WVP)，显着优于对照 PES 膜。 16 小时的长期稳定性评估表明，含有 0.1 wt MXene 的最佳 MMM 的乳液通量是对照 PES 膜的 180%。使用 1000 mg/L 牛奶溶液进行的防污测试还表明，与对照 PES 膜相比，MMM 的不可逆污染减少了 50%。这些结果使 PES-MXene MMM 成为水处理和空气除湿应用的高性能解决方案，开辟了新的应用途径。