石墨烯-MXene光热脱盐膜的制备及协同增强界面光蒸汽脱盐性能的研究  

Preparation of Graphene-MXene Photothermal Desalination embranes and Synergistic Enhancement of Interfacial Photo-vapor Desalination Performance

作　　者：张世栋 李海波[1] ZHANG Shidong;LI Haibo(School of Materials and New Energy,Ningxia University,Yinchuan 750021,China)

机构地区：[1]宁夏大学材料与新能源学院,宁夏银川750021

出　　处：《宁夏工程技术》2024年第2期97-103,共7页Ningxia Engineering Technology

基　　金：宁夏自然科学基金项目(2022AAC05014)。

摘　　要：界面太阳能蒸发脱盐是一种低成本、环保、高效的海水淡化技术。通过自组装方法合成了2D-2D交联结构的石墨烯-MXene光热脱盐膜,讨论了不同厚度光热膜的微观结构、形貌、浸润性、光吸收等特性,以及这些特性与光热蒸发脱盐性能的关系。结果表明,1 kW/m^(2)太阳光辐照下,最优石墨烯-MXene光热脱盐膜在0.2 mol/L盐水中的最高蒸发速率可以达到1.68 kg/(m^(2)·h),效率为85.38%。Interfacial solar evaporation desalination is a low-cost,environmentally friendly and efficient seawater desalination technique.In this paper,the graphene-MXene photothermal desalination membranes with a 2D-2D crosslinked structure were synthesized by self-assembly.The microstructure,morphology,wettability,light absorption characteristics,and their relationships with the photothermal evaporation desalination performance of membranes with different thicknesses were investigated.Results indicate that under 1 kW/m2 solar irradiation,the optimal graphene-MXene photothermal desalination membrane reaches a maximum evaporation rate of 1.68 kg/(m^(2)·h)with an efficiency of 85.38%in 0.2 mol/L saline solution.

关 键 词：海水淡化 光热膜 界面光蒸汽脱盐 

分 类 号：TB34[一般工业技术—材料科学与工程] TQ127.11[化学工程—无机化工] P747[天文地球—海洋科学]