Membrane-free osmotic desalination at near-room temperatures enabled by thermally responsive polyionic liquid hydrogels
Xueyu Yuan, Yufeng Cai, Jing Jiang, Zihao Zhou, Chengwei Wang, Jinhua Hu, Li Liu, Bing Li, Ming Liu
Abstract
A chloride-anion-rich TPIL hydrogel, acting as a separation and a drawing agent, is used for membrane-free osmotic desalination. Salt-depleted water can be retrieved easily by mild heating originating from human body or solar energy assisted by photothermal fillers.
Topics & Concepts
DesalinationSelf-healing hydrogelsMembraneChemical engineeringPhotothermal therapyOsmosisChemistrySalt (chemistry)ChlorideMaterials scienceNanotechnologyPolymer chemistryOrganic chemistryBiochemistryEngineeringSolar-Powered Water Purification MethodsMembrane Separation TechnologiesSolar Thermal and Photovoltaic Systems