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Recent advances in membrane distillation using electrospun membranes: advantages, challenges, and outlook
Environmental Science: Water Research & Technology ( IF 3.5 ) Pub Date : 2021-4-15 , DOI: 10.1039/d1ew00128k Lingling Zhong 1 , Yu Wang 2 , Dongmei Liu 1 , Zhigao Zhu 3 , Wei Wang 1
Environmental Science: Water Research & Technology ( IF 3.5 ) Pub Date : 2021-4-15 , DOI: 10.1039/d1ew00128k Lingling Zhong 1 , Yu Wang 2 , Dongmei Liu 1 , Zhigao Zhu 3 , Wei Wang 1
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Membrane distillation (MD) has great potential in the extraction of freshwater from a variety of saline sources. Electrospun membranes have gained increasing attention within the field of MD due to their unique advantages in hydrophobicity and permeability. However, their poor mechanical properties impair the stability of electrospun membranes during MD. To amplify the advantages of electrospun membranes in terms of hydrophobicity and permeability and make up for the disadvantages in mechanical strength, a large number of novel and feasible methods have been developed. This review aims to give a brief introduction to the performance and influencing factors of electrospun membranes in the field of MD. We summarized the common optimization methods including in situ hydrophobic construction, post hydrophobic modification, and mechanical reinforcement modification to improve the hydrophobic durability and mechanical strength of electrospun membranes. In addition, the design routes of electrospun membranes for different contaminants including hydrophilic contaminants, hydrophobic contaminants, and amphiphilic contaminants are summarized and analyzed. Besides, this review also evaluates the strengths and weaknesses of electrospun membranes and outlines the key development in electrospun membrane design required for the field of MD.
中文翻译：
使用电纺膜进行膜蒸馏的最新进展：优势，挑战和前景
膜蒸馏（MD）在从各种盐源中提取淡水方面具有巨大潜力。由于电纺膜在疏水性和渗透性方面的独特优势，因此在MD领域引起了越来越多的关注。然而，它们差的机械性能损害了MD期间电纺膜的稳定性。为了扩大电纺膜在疏水性和渗透性方面的优势并弥补机械强度方面的劣势，已开发出许多新颖且可行的方法。这篇综述旨在简要介绍MD领域电纺膜的性能及其影响因素。我们总结了包括原位在内的常见优化方法疏水结构，后疏水改性和机械增强改性，以改善电纺膜的疏水性耐久性和机械强度。此外，总结并分析了电纺膜针对不同污染物（包括亲水性污染物，疏水性污染物和两亲性污染物）的设计路线。此外，本综述还评估了电纺膜的优缺点，并概述了MD领域所需的电纺膜设计的关键发展。
更新日期：2021-05-05
中文翻译：
使用电纺膜进行膜蒸馏的最新进展：优势，挑战和前景
膜蒸馏（MD）在从各种盐源中提取淡水方面具有巨大潜力。由于电纺膜在疏水性和渗透性方面的独特优势，因此在MD领域引起了越来越多的关注。然而，它们差的机械性能损害了MD期间电纺膜的稳定性。为了扩大电纺膜在疏水性和渗透性方面的优势并弥补机械强度方面的劣势，已开发出许多新颖且可行的方法。这篇综述旨在简要介绍MD领域电纺膜的性能及其影响因素。我们总结了包括原位在内的常见优化方法疏水结构，后疏水改性和机械增强改性，以改善电纺膜的疏水性耐久性和机械强度。此外，总结并分析了电纺膜针对不同污染物（包括亲水性污染物，疏水性污染物和两亲性污染物）的设计路线。此外，本综述还评估了电纺膜的优缺点，并概述了MD领域所需的电纺膜设计的关键发展。
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