Zero Liquid Discharge and Salt Recovery from Heavy Metal Wastewater via Hollow-Umbrella Hydrogel Solar Evaporation

• Hang SuTianjin University of Science and Technology
• Limei LiTianjin University of Science and Technology
• Chen YuanTianjin University of Science and Technology
• shanbin zhangTianjin University of Science and Technology
• guohao leiTianjin University of Science and Technology
• Chen SongTianjin University of Science and Technology
• Qing XuTianjin University of Science and Technology
• Qing XuTianjin University of Science and Technology
• Jitian SongTianjin University of Science and Technology