界面蒸发驱动的光热水凝胶在脱盐净化中的应用  

Application of interface-evaporation-driven photothermal hydrogel for desalination and purification

作　　者：张志伟[1,2] 郭振彩 孙心铭 陈诚 姜黎[3] ZHANG Zhiwei;GUO Zhencai;SUN Xinming;CHEN Cheng;JIANG Li(Key Laboratory for Characteristic Textiles&Cleaner Dyeing and Finishing Technology,Xinjiang University,Urumqi,Xinjiang 830017,China;Key Laboratory for Smart&Green Textiles of Xinjiang,Urumqi,Xinjiang 830017,China;State Key Laboratory of Desert and Oasis Ecology,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences,Urumqi,Xinjiang 830011,China)

机构地区：[1]新疆大学特色纺织品与清洁染整技术重点实验室,新疆乌鲁木齐830017 [2]新疆智能与绿色纺织重点实验室,新疆乌鲁木齐830017 [3]中国科学院新疆生态与地理研究所荒漠与绿洲生态国家重点实验室,新疆乌鲁木齐830011

出　　处：《印染》2025年第4期17-21,共5页China Dyeing and Finishing

基　　金：新疆维吾尔自治区重点研发任务专项项目(2022B01045-4);新疆维吾尔自治区自然科学基金青年科学基金项目(2022D01C68);新疆维吾尔自治区重点研发项目(2023B02045);新疆大学2023年专业学位研究生教学案例库建设项目(XJDX2023YALK20);新疆维吾尔自治区天池博士计划科研启动项目(TCBS202011);新疆大学博士启动基金(BS210215);2024年自治区研究生科研创新项目(XJ2024G096)。

摘　　要：以多壁碳纳米管(CNTs)为光热组分,通过自由基聚合方式一步构筑了具有多交联凝胶网络的聚阳离子型光热水凝胶,测试了水凝胶的力学性能、长久耐盐性能、循环蒸发性能以及对复杂水体系的净化性能。结果表明:该水凝胶的力学性能与蒸发性能良好,其不仅在高盐溶液中展现出稳定的长久蒸发与循环蒸发性能,而且在复杂的苦咸水以及高盐强碱性的罗布麻纱线染色废液中,仍可以实现2 kg/(m^(2)·h)、1.95 kg/(m^(2)·h)的蒸发速率,表明其在复杂水体系净化方面有潜在的应用价值。Using multi-walled carbon nanotubes(CNTs)as photothermal components,a polycationic photothermal hydrogel with a multi-crosslinked gel network is synthesized via free radical polymerization.The mechanical properties,long-term salt tolerance,cyclic evaporation performance and purification efficiency in complex water systems are investigated.The results demonstrate that the hydrogel exhibits excellent mechanical and evaporation properties.It not only shows stable long-term and cyclic evaporation performance in high-salt solution,but also achieves evaporation rates of 2 kg/(m^(2)·h)and 1.95 kg/(m^(2)·h)in the complex brackish water and high-salt and strong alkaline wastewater of apocynum venetum yarn dyeing,indicating its potential application value in the purification of complex water systems.

关 键 词：界面蒸发 光热转换 水凝胶 脱盐 水净化 

分 类 号：TQ7427.26[化学工程] P747[天文地球—海洋科学]