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Hybrid PVDF/PANI Membrane for Removal of Dyes from Textile Wastewater
Advanced Engineering Materials ( IF 3.4 ) Pub Date : 2021-08-18 , DOI: 10.1002/adem.202100719 Hifza Nawaz 1 , Muhammad Umar 1 , Iqra Nawaz 2 , Azeem Ullah 3 , Muhammad Tauseef Khawar 1 , Marek Nikiel 1 , Humaira Razzaq 4 , Muhammad Siddiq 4 , Xuqing Liu 1
Advanced Engineering Materials ( IF 3.4 ) Pub Date : 2021-08-18 , DOI: 10.1002/adem.202100719 Hifza Nawaz 1 , Muhammad Umar 1 , Iqra Nawaz 2 , Azeem Ullah 3 , Muhammad Tauseef Khawar 1 , Marek Nikiel 1 , Humaira Razzaq 4 , Muhammad Siddiq 4 , Xuqing Liu 1
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Treatment of textile wastewater has been a matter of considerable interest because of the potential toxicity, colloidal stability, and deformable nature of dyes. Herein, a novel polyaniline (PANI)/polyvinylidene fluoride (PVDF) hybrid membrane is developed to remove textile wastewater dyes. The hybrid membrane's contact angle decreases by increasing the concentration of polyaniline in the PVDF matrix, enhancing the hybrid membrane's hydrophilicity. Membrane properties, including porosity, antifouling property, solvent content, and pure water flux, are improved in the hybrid membrane compared with neat PVDF membranes. The purified water flux is enhanced from 28 to 47 L m−2 h, which indicates the impact of PANI on the hydrophilicity of the hybrid membranes. Among the hybrid membranes, 3P exhibits 85% dye rejection at 0.1 MPa operating pressure. Hence, the incorporation of PANI in the PVDF matrix is proposed to enhance the hybrid membrane's dye rejection and antifouling properties.
中文翻译：
用于去除纺织废水中染料的混合 PVDF/PANI 膜
由于染料的潜在毒性、胶体稳定性和可变形性质，纺织废水的处理一直是一个相当有趣的问题。在此，开发了一种新型聚苯胺（PANI）/聚偏二氟乙烯（PVDF）混合膜来去除纺织废水染料。杂化膜的接触角通过增加聚苯胺在 PVDF 基质中的浓度而降低，从而增强杂化膜的亲水性。与纯 PVDF 膜相比，混合膜的膜性能（包括孔隙率、防污性、溶剂含量和纯水通量）得到改善。净化水通量从 28 L m -2 提高到 47 L m -2 h，这表明聚苯胺对混合膜亲水性的影响。在混合膜中，3P 在 0.1 MPa 的工作压力下表现出 85% 的染料截留率。因此，建议在 PVDF 基质中加入聚苯胺以增强混合膜的染料排斥和防污性能。
更新日期：2021-08-18
中文翻译：
用于去除纺织废水中染料的混合 PVDF/PANI 膜
由于染料的潜在毒性、胶体稳定性和可变形性质，纺织废水的处理一直是一个相当有趣的问题。在此，开发了一种新型聚苯胺（PANI）/聚偏二氟乙烯（PVDF）混合膜来去除纺织废水染料。杂化膜的接触角通过增加聚苯胺在 PVDF 基质中的浓度而降低，从而增强杂化膜的亲水性。与纯 PVDF 膜相比，混合膜的膜性能（包括孔隙率、防污性、溶剂含量和纯水通量）得到改善。净化水通量从 28 L m -2 提高到 47 L m -2 h，这表明聚苯胺对混合膜亲水性的影响。在混合膜中，3P 在 0.1 MPa 的工作压力下表现出 85% 的染料截留率。因此，建议在 PVDF 基质中加入聚苯胺以增强混合膜的染料排斥和防污性能。
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